Insects

Insect Index 2018 - 2025 - Landscape and Nursery IPM Alert

INSECTS: Pests and Predators (and mites, spiders, ticks, and slugs)
(in some cases, plant hosts are listed in parenthesis)
*denotes predator/beneficial

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A B C D E F G H K L M N P S T W

INSECTS/ MITES	DATE OF REPORT
A
Adelgid, cooley spruce	23Jun09
Adelgid, hemlock woolly	25Apr25 24May24, 24Mar29 23Apr07, 23Mar17, 23Mar02 (and resistant trees) 22Aug12, 22May06, 22Apr29, 22Apr01 20May15, 20May01, 20Mar27 19Jun28 18Apr27
Adelgid, pine bark	24Apr26 23Jul28, 23Jun23, 23Mar31 (and lady beetles) 21Oct29, 21Jun04, 21Apr23 20Apr24, 20Apr03 18May04
Ants	22Apr29 (on peony flowers) 19May03 (as disruptors of biocontrol)
Ants, as predators*	19Apr26
Ant, fire	18May11
Ant, velvet (a wasp)*	24Oct18 22Aug12 20Aug28
Antlion*	19Jul26
Aphids	25May30, 25May09 (Uroleucon sp. - red aphids and on roses and spirea), 25Apr25 (Periphyllus sp. on threadleaf Japanese maple), 25Apr18 24Oct18 (sugar maple), 24May17 (turf), 24May10 (and predators), 24Apr19, 24Mar22 (hellebores), 23Aug11 (aphids), 23Jun16 (lamb's ear), 23Jun09, 23Jun02, 23May26 (roses and river birches), 23May19 (hellebores and river birches), 23May12, 23May05 (and lady beetles, syrphid fly larva), 23Apr28 (and lady beetles), 23Apr21 (on roses), 23Apr14, 23Apr07 (maple) 22Jul22 (Tilia), 22Jun03 (black gum), 22Apr29 (on hellebore) 21Oct22, 21Jun04, 21May28 (and beneficials), 21May21, 21May14, 21May07, 21Apr09, 21Feb12 20May29 (on roses), 20May22, 20May15, 20Mar05 (early season activity) 19Aug16, 19Jun28 (and beneficials), 19May24 (and beneficials), 19Apr26 (elms) 18May04
Aphid, beech blight	24Aug23 23Feb15 (and sooty mold) 22Sep30, 22Aug26 21Sep03 20Nov24 (and "weird" sooty mold), 20Oct23
Aphid, black bean	25Oct24
Aphid, brown ambrosia	25Jun13 (and predators and parasitoids)
Aphid, cherry	22Jun10 18Jun01
Aphid, crapemyrtle	25Jun06, 25May09 24May31, 24Apr26 23Oct20, 23Jul14, 23May26, 23May05 22Jul15, 22Apr29 21Aug13, 21Aug13, 21Jul02, 21Apr30 20Aug07, 20Jul02, 20Jun12 19Sep13, 19Aug23, 19May10 18Sep14, 18May18
Aphid, giant bark	25May09 23Oct27, 23Jul28 21Apr30 20Oct23 19Jun07
Aphid, giant willow	24May24 23May19, 23Apr21
Aphid, hellebore (and entomopathogenic fungus)	21Feb12
Aphid, honeysuckle	20Jul17
Aphid, lily	24Jun28 23Jun30 21Feb12
Aphid, oleander	25Aug08 24Sep27, 24Aug16, 24Aug02 23Aug25 22Aug05, 22Jun24 20Sep18, 20Jun26 19Aug30, 19Aug23
Aphid, root	22Jul15
Aphid, rose	18Apr20
Aphid, rosy apple	24May17
Aphid, spiny witchhazel gall	25May23 (and witch-hazel pouch gall aphid), 25Apr18 23Apr14 22Apr22 21Apr23 20Apr10 18May04
Aphid, spirea	24May03 23May26 22May20, 22May06 20May08 19May10
Aphid, tuliptree	20Oct23 19Jun14
Aphid, viburnum	22May06
Aphid, white pine	23Jun02, 23Mar31 18Jun15
Aphid, woolly	21Aug27 20Oct30 (pyracantha), 20May08 (hawthorn) 19Apr26 (hawthorn) 18May04 (hawthorn)
Aphid, woolly alder	24Aug23 21Oct22 20Oct23 19Oct25, 19Oct11
Aphid, woolly apple	25Oct31, 25May09, 25Apr25 22May06 20Apr17 19Aug30 18Aug31
Aphid, woolly beech	25Oct10, 25May16 20Jun05
Aphid, woolly elm	25Jun13 23Apr14 20Apr24 18May25, 18May11
Aphid, woolly oak	24May03 (and predators)
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Bagworm	25Aug29, 25Jul11, 25May30, 25May23 24Jul12, 24Jun28, 24Jun21, 24Jun14, 24May31 23Oct20, 23Aug25, 23Jul21, 23Jul14, 23Jun30, 23Jun16, 23Jun09, 23Jun02 (hatch) 22Jul29, 22Jul22, 22Jul15, 22Jul08, 22Jun24, 22Jun17, 22Jun03 (hatch), 22May27 21Sep10, 21Aug27, 21Jul23, 21Jul16, 21Jul02, 21Jun25, 21Jun11, 21May28, 21May21 20Nov24, 20Aug07, 20Jul31, 20Jul17 (trial with drones), 20Jul10, 20Jul02 (biocontrol), 20Jul02, 20Jun19, 20Jun12, 20Jun05 19Sep20, 19Jun28, 19Jun21, 19Jun14 18Aug31, 18Jul13, 18Jun22, 18May25
Barklice*	25Jun13 24Jul12 22Jul08 19Sep13, 19Jul12 18Sep21, 18Jun29
Bees*	23Sep15 (beehives) 23Mar02 21Jul09 (and honeydew)
Bee, black and gold*	19Jul12
Bee, bumble*	24Jun28 (perplexing bumble bee), 24Apr19 20May29
Bee, Eastern cucurbit*	24Jul26
Bee, ground nesting*	24Aug23 (aka Rose-mallow bee or Hibiscus turret bee), 24May31 21Apr09 20May22 18May11
Bee, honey* (a potential biological control for varroa mite)	24May03 20Apr10 (swarms)
Bee, leafcutter	24Aug02, 24May31 23Sep08 20Jul17, 20Jun12 19Aug30, 19Jun07 18May25
Bee, mason*	23Mar24
Bee, mining*	25May09 22Apr08 20Mar20 19May10
Bee, plasterer*	22May13
Bee, solitary*	24Mar29 (plasterer bees) 19Apr05
Bee, sweat*	24Jul19, 24Jul12 21Jul09
Beetle, ambrosia	25Aug22, 25Aug15, 25Jun06. 25May30, 25May23, 25May16, 25May09, 25May02, 25Apr25, 25Apr18, 25Apr11, 25Apr04, 25Mar28 24May31, 24May03, 24Apr26, 24Apr19, 24Apr12 23Sep01, 23Jun02, 23May19, 23May05, 23Apr28, 23Apr21, 23Apr14, 23Apr07, 23Mar31 22Sep02, 22Jul15, 22Jul08, 22May27, 22May20, 22May13, 22Apr22, 22Apr15, 22Apr08, 22Apr01, 22Mar25, 22Mar09 21Oct15, 21Sep24, 21Aug27, 21Jul09, 21Jun25, 21Jun18, 21Jun11, 21May28, 21May21, 21May14, 21May10, 21Apr30, 21Apr23, 21April12, 21Apr09, 21Mar12 20Sep04, 20Aug14, 20Aug07, 20Jul17, 20Jul02, 20Jun19, 20Jun05, 20May22, 20May18, 20May15, 20May08, 20May05, 20May01, 20Apr24, 20Apr21, 20Apr17, 20Apr10, 20Apr07, 20Apr03, 20Mar31, 20Mar27, 20Mar18 19Sep06, 19Aug30, 19Aug23, 19Jul26, 19Jul19, 19Jun07, 19May17, 19May03, 19Apr26, 19Apr12, 19Apr05 18Oct12, 18Sep28, 18Sep14, 18Aug31, 18Aug03, 18Jul27, 18Jun22, 18Jun08, 18Jun01, 18May25, 18May18, 18May11, 18May04, 18Apr27, 18Apr20, 18Apr13
Beetle, ambrosia (Xyleborus mongraphus)	20Aug28 (only found in California at this time)
Beetle, Asiatic garden	25Jun27 23Jul21
Beetle, bess	24Aug09 20May29
Beetle, big eyed click (predator)	25Jun06 20Jul31
Beetle, blister	24May10 21Apr30 20May01 19Aug16 18Sep21
Beetle, bombardier	18Jul06
Beetle, brown prionid	25Jul25
Beetle, camphor	24Sep06, 24Jul12 23Sep08, 23Sep01, 23Apr28 21Jul09 19Sep20
Beetle, case-bearing leaf	25Jun27
Beetle, carrion	18Sep21
Beetle, checkered	20Oct16 19Oct18
Beetle, click	24Aug02 20Jun26 18Jun15
Beetle, darkling	20Jul31
Beetle, Eastern hercules	25Jul18 24Jul19 23Aug11 22Jul22, 22Jul08 21Jul16 19Jul26, 19Jun28
Beetle, elephant stag	23Jun30
Beetle, elm leaf	25Aug22 23Apr28 22Aug26 20Aug07 18Jul13
Beetle, Fiery searcher* (Predator)	22May27 19Apr12
Beetle, flower longhorn	19Jul26
Beetle, golden tortoise	22Jul08
Beetle, grapevine	24Jun14
Beetle, green June	25Jul11, 25Jun27 22Jul29 19Jul12 18Jun29
Beetle, green tiger	24May31
Beetle, ground (predator)*	24Oct04 23Oct27 20Oct02
Beetle, hibiscus flea	25Aug22 24Aug30
Beetle, imported willow leaf	24May17 22Jul22 20May29
Beetle, Japanese	25Jul11, 25Jun27, 25Jun20, 25Jun13 24Jul12, 24Jun28, 24Jun21, 24Jun14 23Jul21, 23Jun30, 23Jun23, 23Jun16 (first adults seen) 22Jul29, 22Jul22, 22Jul08, 22Jun24, 22Jun17 21Jul23, 21Jul16, 21Jul09, 21Jun25, 21Jun18 20Jul31, 20Jul10, 20Jul02, 20Jun26, 20Jun19 19Jul12, 19Jun21, 19Jun14 18Jul27, 18Jul13, 18Jul06, 18Jun29, 18Jun22, 18Jun15, 18Jun08
Beetle, lady bird* (predator)	23Nov30, 23Oct27, 23Jun30, 23Jun23, 23Jun16, 23Jun09, 23Jun02, 23May12, 23Apr21, 23Jan24 22Oct21 (crapemyrtle bark scale), 22Jun24, 22Jun10 (larvae), 22May27, 22Apr08 21Oct29, 21Sep10, 21Mar12 20Oct16 (feeding on scale), 20Jun19 19Jul12 18Jun15, 18Jun08, 18Jun01
Beetle, lady bird* (Hyperaspis)	25Jun06, 25May23, 25May16, 25May09, 25Apr18 (on crapemyrtle bark scale) 24May24, 24May10 23Aug04 21May14
Beetle, lightning bug (firefly)	25Jun06 24Jun28, 24Jun28, 24Jun21 21Oct08 20Jun12
Beetle, masked chafer	25Jun27
Beetle, May/June	25Jun27
Beetle, multi-colored Asian lady	25Oct31 24Oct25 20Oct23 19Oct25 18Oct05
Beetle, oriental	25Jun27 23Jul21 20Jun19
Beetle, pink-spotted lady	25Oct24 (clustering to overwinter)
Beetle, redbud borer	23Jun09
Beetle, redheaded flea	25Jul11 23Sep01
Beetle, red-legged Buprestis	19Jul19
Beetle, red milkweed	25Jun13 22Jul22
Beetle, rove*	25May23 18Jul20
Beetle, seedcorn	20Sep11 (golf greens)
Beetle, seven-spotted lady	25Oct03
Beetle, scarab	24Jul12 23Jul21 18Jul06
Beetle, six spotted green metallic* (predator)	23May12 21Apr16 20Apr10 18Apr27
Beetle, soldier	25May16 21Oct15 (velvetwom-larval stage), 21Jul16
Beetle, stag	19Jul19
Beetle, swamp milkweed	21Jun25
Beetle, the fiery searcher (Calosoma scrutator)	25Apr11 (feeds mainly on caterpillars)
Beetle, twice-stabbed* (predator)	22Sep02 21Jun11 18Oct12, 18Apr13
Beetle, tumbling flower	24Jun21
Beetle, viburnum leaf	22Apr29 19Sep13, 19Jun28 18May11
Beetle, willow leaf	25Apr25 19Apr26
Beetle, wood boring (Agrilus carpini)	22Apr15
Beneficial insects*	25Jul11, 25Jun13, 25May02 (many on aphids), 25Apr04, 25Mar28 (early season activity) 24Jun21, 24May24, 24Apr26 (of scale insects), 24Mar22 (plant choices) 23Mar17 (and plant selection) 22Jul15 (slug predators), 22Jun10 (on cup plant), 22Jun03 (many on cup plant), 22May13 (soldier beetles and assassin bugs) 19Aug02 (conserving beneficials - using Silphium perfoliatum, cup plant)
Borer, Asian longhorned	21Aug13 (time to check trees)
Borer, banded ash clearwing	20May29 (damage)
Borer, broad-necked root	25Jun20
Borer, China fir	18Apr27
Borer, elder shoot	25Jun13, 25May02 24May24, 24Apr19 23Apr28 22May13 18May25
Borer, emerald ash	25Apr25 24Apr05 23Apr07 (new trap) 22Jun10, 22May20 21Jul09, 21May07 (and black locust bloom time) 20Oct30 (dead trees) 19May03 18Jul13, 18Jun29, 18Jun22, 18Jun08, 18May18, 18May11
Borer, emerald ash (predators and parasitoids)	20Jul02, 20May29 19Jul19
Borer, flat headed apple tree	18Jul20
Borer, hickory	24Apr12 21Oct01
Borer, ivory-marked longhorned beetle	20Jul24
Borer, lesser peach tree	25May09
Borer, lilac/ash	24Oct04 (fringetree), 24May17 23May19, 23Apr28 22Jun10, 22May06 20Jun19 18May25
Borer, locust	25Sep26 24Aug16 22May20
Borer, main peachtree	24Jul12 23Jun30, 23Jun09 20Jul10 (damage), 20Jul02, 20Jun05 19Jun21 18Jul13, 18Jun22
Borer, maple petiole	25May02 24May17 23Apr28 22May20 21May14 20Jul24 19Sep13, 19Jun14 18May25
Borer, peachtree	25May09, 25Apr18 24Aug09, 24Jul12 23Oct06, 23Jul21, 23Apr21, 23Apr14 21Jun25 20Jul31 (damage), 20Jun19, 20Jun12 19Oct25, 19Jul19, 19Jul12, 19Jun28, 19Jun07 18Jul27
Borer, pitch mass	25May30 (spruce and pine)
Borer, poplar and willow	25Aug22
Borer, redheaded ash	25Jun06 20May29
Borer, roundheaded	25Aug15 (in arborvitae)
Borer, squash vine	21Jun18
Borer, twolined chestnut	19Jun07
Borer, Unusual surface bark borer	18Apr13
Borer, Viburnum clearwing	25May23
Bug, ambush* (predator)	24Sep06 20Sep25
Bug, andromeda (pieris) lace	24Apr26 22May06 21Apr23 20Apr17
Bug, assassin (predator)	23Apr21 (hatch) 22May27, 22May20 21Oct29 (orange assassin bug), 21Oct15, 21Sep24 (orange assassin bug), 21Apr30 20May22 (orange assassin bug) 19Aug23, 19Aug02, 19Jun07 18May25, 18May18 (hatch)
Bug, azalea lace	25Jun20, 25May30 23Jun30, 23Jun16, 23May12 22Apr29 20Oct09 19Apr26 18Apr27
Bug, azalea plant* (predator)	20Apr24
Bug, basswood/linden lace	20May15 19Jun21 (and lady bird beetles)
Bug, big-eyed	23Aug04
Bug, boxelder	25Jun20 23Oct27 21Jul02, 21Jun18 20Oct02
Bug, brown marmorated stink	25Mar28 24Aug23, 24Jun21 22Oct21, 22Jun17 (parasitoids of BMSB eggs), 22May20 21Sep24 20Jun05 19Oct04, 19Sep20 18Sep28, 18May18, 18Apr06
Bug, chinch	23Jul21 20Sep18 19Jul26 18Sep07
Bug, damsel	20Oct09
Bug, Florida predatory stink	25Oct31, 25Jun20, 25May16 23Oct06, 23Sep29 21Oct29, 21Sep03
Bug, four-lined plant	25May02 24May17 23May12 22Jun03, 22May27, 22May20 21May21 20Jun19, 20May29 19May10 18Jun01
Bug, green stink	18Jul20
Bug, goldenrain tree (or red-shouldered)	20Nov13
Bug, harlequin	25Oct10, 25May02 24Jun12 22Apr29 19Sep13, 19Aug16
Bug, hawthorn lace	25Aug08 22Aug26 22May13 20Oct16
Bug, honeylocust plant	25May16 23May12 22Apr29 21May28 (damage), 21May14, 21May07 18May11
Bug, jagged ambush*	24Aug09 23Aug25
Bug, Japanese plant*	23Apr28 20Apr17 (predator of azalea lace bug)
Bug, lace	25Aug29 (various hosts) 24Jul12, 24Jun14, 24May17 23Jul21, 23May05 22Jul22 21Sep10, 21Jul16 20Sep18 19Jul26 (on Tilia tomentosa) 18Oct19 (resistance to imidicloprid), 18Oct12 (resistance to imidicloprid), 18Jul20 (oaks & lindens), 18Jul13 (sycamore) (azaleas and pieris), 18Jun08
Bug, leaffooted	24Aug02 20Jul02 18Oct05, 18May25
Bug, milkweed	24Sep06, 24Aug16 23Aug25 21Oct01, 21Jul09 20Sep18, 20Aug14 19Sep26
Bug, milkweed assassin*	18Aug24
Bug, minute pirate*	22Jun24 19Sep20
Bug, oak lace	21May21 20Sep04, 20Jun26 19Aug16
Bug, orange assassin	25Oct31 24Mar22 23Jul14, 23Apr14
Bug, phlox plant	25May30 24Jul26
Bug, plant (Neolygus vitticollis), on maple	24May17 23May19 22Jun03
Bug, pieris	19Apr12
Bug, plant*	18Jul13
Bug, plant	25May23 (Neolygus vitticollis)
Bug, sow	18May25
Bug, spined soldier*	19Aug30, 19Jun07
Bug, spiny assassin	25Oct10
Bug, stilt	22Jul08
Bug, sycamore assassin*	20Apr24
Bug, sycamore lace	20Oct16
Bug, tarnished plant	23Apr28 19Jul26
Bug, two-spotted predatory stink*	25May23
Bug, wheel (assassin)* (predator)	25Oct24, 25Aug22, 25Aug08, 25May09 24May03 21May14, 20Sep04, 20Jul17, 20Jun12, 20Jun05, 20May22, 20Apr03 19Sep13
Bug, yucca	25Jun13 24Jul26 23Sep29 18Jun22
Butterfly, giant swallowtail	19Sep20
Butterfly, monarch	25Sep05 24Oct18 22Sep02, 22May20 21Sep03, 21Aug27, 21Aug20 19Oct04
Butterfly, mourning cloak	19May24
Butterfly populations	20Jul31, 20Jul24
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Carpenterworm	18Jun29
Caterpillars	25May02 (rose) 24Jul26 (that attack mums), 24Apr19 (in lawn and landscape)
Caterpillars - good or bad?	24Apr26, and 24Apr12 and 24Apr05 (unidentified, found in turf) 23Aug11 18Jun08
Caterpillars (biocontrol)	24Apr12 (Bt)
Caterpillar, American dagger	20Sep11
Caterpillar, asimina webworm	20Aug28
Caterpillar, azalea (Datana major)	24Aug16
Caterpillar, black swallowtail	23Jul14 19Aug30, 19Aug09, 19Jul26
Caterpillar, camouflaged looper	20Aug07
Caterpillar, Canadian owlet moth	19Aug02
Caterpillar, casebearer	24Aug02 23Sep29 20Jul17
Caterpillar, catalpa sphinx (hornworm)	25Jun20 24Aug02, 24Jul12 23Aug25, 23Jul28, 23Jun09 22Jul22, 22Jun17 21Sep10 (parasitized), 21Jul23, 21Jul16, 21Jun18 20Sep11 (parasitized), 20Jul02 19Sep13, 19Jul19, 19Jun14 18Aug17, 18Jul27, 18Jun08
Caterpillar, cecropia moth	25Jul25 23Aug25 20Aug21, 20Aug07 19Jul26
Caterpillar, checkered fringe	20Sep11
Caterpillar, China Mark Moth	25Jun06 22Jul08
Caterpillar, cross-striped cabbageworm	25Sep12
Caterpillar, crowned slug	25Aug29
Caterpillar, cutworm	20Oct23
Caterpillar, Eastern tent	25Apr18, 25Apr11, 25Mar28 24May10, 24May03, 24Apr19, 24Apr12, 24Mar22 23Apr21, 23Apr14 22Apr22, 22Apr01 21Apr30, 21Apr23 20Apr17, 20Apr10 19May17, 19May03
Caterpillar, euonymus	22May20 20May22 19May10
Caterpillar, euonymus leaf-notcher (Pryeria sinica)	25Apr18, 25Mar28 24May10, 24May03, 24Apr19 23Apr21 21May07 20Apr10 19May10
Caterpillar, fall armyworms	25Sep05, 25Aug29 24Aug30, 24Aug23, 24Aug02 22Jul29, 22Mar25 21Oct22, 21Oct15, 21Sep24, 21Sep17, 21Sep10, 21Sep03, 21Aug30, 21Aug27
Caterpillar, fern leaffolder	24Jul12 21Jul23 20Jun05
Caterpillar, greenstriped	19Jun14
Caterpillar, haploa	22Oct28 18Sep28
Caterpillar, hibiscus leaf moth	20Sep11
Caterpillar, hickory horned devil	24Aug23 23Aug11 (and moth)
Caterpillar, hickory tussock moth	22Sep02 18Jul27
Caterpillar, hydrangea leaftier	24Apr26
Caterpillar, imperial moth	20Sep11 19Sep13 18Sep21
Caterpillar, Io moth	20Jul24 19Aug02
Caterpillar, leaffolder	19Sep06 (oak), 19Aug30, 19May17
Caterpillar, leafroller	18Oct05
Caterpillar, leopard moth	24Aug30 (two species)
Caterpillar, locust twig borer	22Aug12
Caterpillar, luna moth	24Oct25
Caterpillar, milkweed tussock moth	24Jun21 23Jul28, 23Jul14 22Sep02, 22Aug05
Caterpillar, monarch	24Aug16 23Aug25 22Aug12, 22Aug05 19Aug30, 19May17 18Jul06
Caterpillar, orangestriped oakworm	25Jul11 24Aug02, 24Jul12 23Sep01, 23Aug25, 23Aug04, 23Jun16 22Jul29 21Sep10, 21Aug27 20Aug21 (parasitic wasps), 20Aug14, 20Jul24, 20Jul17 19Sep13, 19Aug16, 19Aug09, 19Aug02 (fed on by spined solider bug), 19Jul26, 19Jul12 18Aug17, 18Jul20
Caterpillar, Oriental fruit moth	24Aug02, 24Jun21, 24May24, 24May10 23Jun16
Caterpillar, paddle dagger moth	18Oct12
Caterpillar, predaceous (Laetilia coccidivora)	25Apr18 22Sep30 20Sep04 18Oct19
Caterpillar, pipevine	24Aug16
Caterpillar, polyphemus moth	24Aug16, 24Aug09
Caterpillar, puss	23Sep15 21Sep17 20Sep04, 20Aug14
Caterpillar (Pyrausta inornatalis)	25May16 (P. signatalis on Monarda) 20Sep25 (on salvia)
Caterpillar, question mark	20Aug14
Caterpillar, redbud leaffolder	19Aug23, 19Aug02
Caterpillar, redhumped	24Oct04 22Jul29 19Aug09
Caterpillar, ribbed cocoon-maker (Bucculatrix sp.)	22Aug05
Caterpillar, saddleback	23Sep15 20Aug14, 20Aug07 18Aug24
Caterpillar, skiff moth	18Sep21
Caterpillar, slug	18Aug03
Caterpillar, spiny elm	19Aug02
Caterpillars, stinging	24Jul19 21Aug13 19Sep06
Caterpillar, tobacco budworm	18Sep21
Caterpillar, tobacco hornworm	20Sep11 19Sep06, 19Jul12 18Jul13
Caterpillar, tortricid	24May31 (apples and pears) 23Jun02 19Aug30 (beech)
Caterpillar, tussock moth	19Sep06, 19Jul26 18Aug17
Caterpillar, unicorn moth	22Oct28
Caterpillar, variable oakleaf	18Aug03
Caterpillar, walnut	19Sep13, 19Aug09
Caterpillar, wavy-lined Heterocampa	20Jul10
Caterpillar, white flannel moth	23Aug04 18Aug31
Caterpillar, white-marked tussock moth	25Oct03 22Aug05 18Jun15
Caterpillar, woollybear	25Oct03
Caterpillar, yellow bear	19Jun28
Caterpillar, yellownecked	24Aug23, 24Aug16, 24Jul26 23Aug04 22Jul29 21Sep17 18Jul27
Centipedes	20Apr03
Cicada, dog day (annual)	25Jun27 24Aug16, 24Jun28 23Aug25 22Sep02 21Aug27 20Aug28, 20Jul24 19May10 18Aug31
Cicada, periodical	25May30 (Brood XIV or Brood X stragglers?) 24Oct25, 24Mar29,24Mar22 23Jul21, 23Jun16 (what is coming 2024), 23May26 (out of sync) 22May13 (damage from 2021) 21Apr09 20Sep18, 20Jun12, 20Jun05, 20May29 (a few emergence reports) 18May25
Cicada, periodical (Brood X 17-year emergence and damage in following year)	22Jul08, 22Jun03 21Jul16, 21Jul02, 21Jun25, 21Jun18, 21Jun11, 21Jun04, 21May28, 21May21 (activity and predators), 21May14, 21May10, 21May07, 21Apr30, 21Apr23, 21Apr16, 21Feb26 21Mar12
Chiggers	24Jul12 19Jul12
Cricket, snowy tree	24Aug23, 24Aug16 23Oct20 19Aug30
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Daddy long-legs	21Jun25
Damselfly	25Aug15
Dobsonfly	22Jun24 20Jun12, 20May29
Dragonfly (predator)*	25Jul11 19Sep26, 19Sep20 (swarms), 19Sep13 (swarms), 19Jun21
Dustywings* (predator)	22Jul29
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Earwigs	24Jun28, 24May24 22Apr22
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Fleahopper, garden	25Sep26
Fly, bee	23Apr07 18May11
Fly, black	18Sep28
Fly, black soldier*	21May28
Fly, crane	20Oct09 (giant crane fly), 20May15 (phantom crane fly) 18Aug17, 18Jun08
Fly, fire	18Jun08*
Fly, golden-backed snipe	24May24 23Jun02
Fly, horse	24Mar22
Fly, longlegged*	25Aug29 21Jul02
Fly, march	20May29 19Sep06
Fly, picture winged	19Oct25
Fly, robber*	24Aug30, 24Jul19 20Aug21 18Aug17
Fly, seed corn (maggots)	24Aug30 (fungus control of seed corn maggots) 20May22, 20Apr10
Fly, silver*	23May26 20May01
Fly, spotted winged drosophila	20Jul02
Fly, syrphid (aka hover or flower fly)	24May31 (on boxwood psyllids) 23Sep15, 23Jun09 22Jul22 (news bee) 20Jul10 19Jun07, 19May17
Fly, tachinid (parasitoids)	24Sep13, 24Aug30 (feather-legged fly) 21Jul16 19Oct11 18Jun22
Fly, tiger bee	25Jul25
Fly, white-faced*	20Sep11
Fungus gnats	19Jun21
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Galls	25Jul11 (oaks), 25May30 (and burls), 25May16 (on leaves/pignut hickory) 24May17 (elm) 23Aug11 (oak), 23Jun30, 23May26 (elms and lindens) 22Sep02 (cynipid wasp) 21Jun11 (elm), 21Jun04 (on hickory), 21May28 (on witchhazel), 21May14 20Aug21 (linden), 20Jun12 (oak), 20Jun05 (elm, oak) 18Jun22 (elm), 18May25 (black gum, elm, oaks), 18May11 (elm)
Gall, bald cypress twig	25Jun13 24Aug16 23Nov30, 23Aug25, 23Jun09 22Jun17 21Jul09 20Jun19 19Jun14 18Jul13
Gall, bladder	25Aug29 (on willow and Nyssa)
Gall, cottonwood petiole	24Aug30
Gall, eriophyid mite	23Jul21 19Jun07 (on maple)
Gall, gouty	23Oct13
Gall, hickory peach-haired midge	24Aug30
Gall, honeycomb leaf wasp	21Oct22
Gall, jumping oak	21Jul16 18Jun08
Gall, maple gouty vein	24Aug02
Gall, mite	18Jul27 (birch)
Gall, oak apple	20May22
Gall, oak flake	25Jul11 23Jul14
Gall, persimmon bead	25Jun20 23Jun09
Gall, pinecone oak - now called lobed oak stem galls (caused by a cynipid wasp)	25Oct24, 25Aug29, 25Mar28 24Aug23 23Aug25 22Aug26 21Sep10 20Oct09, 20Aug14 19Aug30
Gall, pocket	25May02 (American elm)
Gall, rough oak	24Aug09 22Aug26
Gall, elm sack	25May16 24Apr19
Gall, spindle	23Sep01
Gall, stem (on willow oak)	22Apr22
Gall, tupelo leaf edge (eriophyid mite/phylloxerid)	25Aug29 24Jun14 23Aug11, 23Aug04
Gall, willow oak	20May01
Gall, wool sower	24May31
Gnat, grass or eye	25May02
Grubs, white	23Oct06, 23Sep15 21Aug13 20Oct23, 20Sep11 19Sep20 18Aug24
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Hornet, bald-faced	25Aug08, 25Jun27 23Aug25, 23Jun30 22Sep09, 22Jul29 21May07, 20Aug14
Hornet, European	24Sep27, 24Aug30, 24Aug09 23Sep22, 23Sep15, 23Sep08, 23Aug25, 23Jul28 22Sep16 21Oct22, 21Sep24, 21Sep03, 21Aug27, 21Aug13, 20Oct02 19Oct11, 19Aug30, 19Aug16, 19May03 18Oct05
Hornet, giant Asian (found in Washington State)	20May15, 20May08
Hornet, yellow-legged (first found near Savannah, GA)	23Aug25
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Katydid	24Aug30 (eggs) 22Apr15 (eggs) 21Sep24 19Aug23
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Lacewings*	25Oct03 (debris-carrying larva), 25Jun27 23Nov03 (debris-carrying), 23Jul21 21Jun18 20May08 (brown lacewings) 19Jun28 18Apr20
Lanternfly, spotted (a planthopper)	25Oct24, 25Oct10, 25Oct03, 25Sep26, 25Sep12, 25Sep05, 25Aug15, 25Aug08, 25Jul31, 25Jul25, 25Jul18, 25Jul11, 25Jun27, 25Jun20, 25Jun13, 25May30, 25May23, 25May16, 25May09, 25May02, 25Apr25, 25Apr04, 25Mar28 24Oct11, 24Oct04, 24Sep27, 24Sep06, 24Aug30, 24Aug23, 24Aug16, 24Aug09, 24Aug02, 24Jul26, 24Jul19, 24Jul12, 24Jun28, 24Jun21, 24Jun14, 24May24, 24May17, 24May10, 24May03, 24Apr26, 24Apr19, 24Apr12, 24Apr05, 24Mar29, 24Mar22, 24Feb21, 24Jan17 23Dec14, 23Nov03, 23Oct27, 23Oct20, 23Oct13, 23Oct06, 23Sep29, 23Sep22, 23Sep15, 23Sep08 (trials), 23Sep01, 23Aug25, 23Aug11, 23Aug04, 23Jul28, 23Jul21, 23Jul14, 23Jun30 (and predators), 23Jun23 (weather impact), 23Jun16, 23Jun09, 23Jun02, 23May26, 23May19, 23May12, 23May05, 23Apr28, 23Apr21, 23Apr07, 23Mar24, 23Mar17 22Oct28, 22Oct21, 22Oct14, 22Sep30, 22Sep16, 22Sep09, 22Sep02, 22Aug26, 22Aug12, 22Aug05, 22Jul29, 22Jul22, 22Jul15, 22Jul08, 22Jun24, 22Jun17, 22May27, 22May20, 22May06, 22Apr29, 22Apr22, 22Apr15, 22Apr08, 22Apr01, 22Mar25, 22Jan27 21Oct29 (using banker plants), 21Oct22, 21Oct01, 21Sep24, 21Sep17, 21Aug27, 21Aug13, 21Aug13, 21Jul02, 21Jun25, 21Apr23 (egg parasitoids) 20Nov13, 20Oct30 (and milkweeds), 20Oct23 (predators), 20Oct09, 20Sep04, 20Jul24, 20Jul17, 20Jun05, 20May22, 20May15 19Nov01, 19Oct11, 19Sep20, 19Aug30, 19Aug02, 19Jun21, 19Jun14 (pathogens of lanternfly), 19Jun07, 19May24, 19May17, 19May10, 19May03, 19Apr05 18Nov02, 18Oct26, 18Oct19, 18Aug17, 18Jul06, 18May25, 18May18, 18Apr27
Leafhoppers	22Aug26 (eggs), 22Aug05 (redbud)
Leafhopper, honeylocust	21May28
Leafhopper, potato	25May16 24May24 23May12 22Jun17, 22May20, 22May13 21Jun04, 21May28, 20Jun05, 20May29 19Aug02, 19Jun14, 19May17 18Jun01
Leafminer	24Jun14 and 24Apr19 (on hellebore) 21Jun25 (arborvitae)
Leafminer, allium	25Apr04 23May05 22Sep16, 22Apr29, 22Mar25 21Sep10, 21May14, 21Apr16 20May01, 20Apr03 19May17
Leafminer, boxwood	25Oct10, 25Jul31, 25Jul11, 25Apr25, 25Apr11, 25Apr04, 25Mar28 (predators - birds) 24Aug23, 24Jul26, 24May03, 24Apr26, 24Apr19, 24Apr05, 24Mar29, 24Mar22, 24Feb29 23Jul28, 23Jun16, 23May05, 23Apr28, 23Apr14, 23Apr07, 23Mar02 22Oct21, 22Oct14, 22Aug26, 22Jul22, 22Jun24, 22Apr29, 22Apr22, 22Apr15, 22Apr01, 22Mar09 21Sep10, 21Apr30, 21Apr16, 21Apr09 20Jun05, 20May15, 20May01 19May03 18May04, 18Apr20, 18Apr13
Leafminer, columbine	21May21
Leafminer, daylily	25Jul18
Leafminer, hawthorn	25May09
Leafminer, holly	24Sep06 (inkberry) 20Apr10 (native)
Leafminer, magnolia	21Jul23 20Jul02 19Aug09
Leafminer, oak shothole	20Jun19, 20Jun12
Leafminer, solitary oak	22Aug05
Leafminer, spinach	18May25
Leafroller, obliquebanded	23May26
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Maggots, seed
Mantid, praying*	25Oct03 24Aug16, 24Aug02, 24Jun28 22Oct21, 22Mar25 (eggs), 20Nov24 (egg cases), 20Oct30, 20Oct02, 20Sep18 (feeding on spotted laternfly), 20Sep04, 20Jun19 (Carolina mantids), 20May15 (Chinese mantids - egg hatch) 19Oct18, 19Sep20, 19Sep06 (European mantis), 19Jun21 18Sep07, 18Aug17
Mantisfly*	23May19 19Sep13
Mayflies	22Jul08
Mealybug	22Jun03 (on Taxus), 22Apr29 (on viburnum)
Midge, chokecherry gall	21Aug13
Midge, predatory*	25Jun20 (Aphidoletes aphidimyza) 19Sep26
Midge, rose	19Jun21
Millipedes	24May17 20Apr10
Mites	23Sep01, 23Aug04, 23Jun09 22Jun03 (on Taxus)
Mite activity (impact of hot weather)	21Jul23, 21Jul16, 21Jun11
Mite, bald cypress rust	25Aug15, 25Aug08
Mite, bead gall	24May10
Mite, beech erineum	25May16 22May20
Mite, beetle	25May16
Mite, boxwood spider	25May23, 25Apr25 24Jul26, 24Mar22 23Oct06, 23Jun30, 23Mar24, 23Mar02 22Apr29, 22Apr22, 22Mar25 20Jun26, 20Jun19 18Apr27, 18Apr20
Mite, broad	20Jun12 (on cranberries)
Mite, citrus	20Oct02
Mite, eriophyid	24May31 (beech) 23May05 (galls on cherry), 23Mar31 22Aug05, 22May13, 22Apr08 19May10 (on black gum) 18May25
Mites, flat	22Sep30
Mite, maple	24Aug02 19Aug02
Mite, oak itch	21Aug13
Mite, oak spider	19Aug02
Mite, pearleaf blister	25Apr18 24Apr19 22May13 19May17 18Jun08
Mite, predatory*	22Apr15 20Mar27 19May10 18Jul27 (spider mite control)
Mite, red clover	25May16
Mite, Southern red	25May16 (holly) 18May11
Mite, spider	25May09 (predators) 24Aug30 (euonymus), 24Jul26, 24Jul12, 24Jun14 23Nov03, 23May26 22Aug12, 22Jul15, 22Jul08 21Sep10, 21Jun25 20Aug21, 20Jul24, 20Jul17 18Oct19 (impact of rain), 18Aug03, 18Jul06 (winged euonymus)
Mite, spruce spider	25Oct03, 25Sep19, 25Apr25 24Sep27, 24Sep13, 24Apr12 23Sep29, 23Mar24, 23Mar02 22Jun10, 22Apr29, 22Apr22 20Sep25, 20Apr24, 20Apr17, 20Mar20 18Apr27, 18Apr20
Mite, tetranychid	24Jul26
Mite, twospotted spider	20Apr17 (strawberries)
Mite, velvet	23May26 20May15
Mosquito control	18Oct12, 18Aug17, 18Jun22
Mosquitoes	24Aug23 23Aug25
Moths, as pollinators	22Sep09
Moth, Ailanthus webworm	24Sep27, 24Jul26
Moth, boxwood/box tree	25Sep26, 25Aug29, 25Aug22, 25Aug15, 25Jul25 (now in MD), 25Jul23, 25Jul18, 25Jun13 (found in WV) 24Jul26, 24Jul19 (found in Delaware) 23Oct06 (found in NY) 21Aug20 20Oct16 (parasitoids found in England) 18Oct19
Moth, coddling	24May24 23May26
Moth, euonymus leaf-notcher	23Oct27
Moth, giant leopard	18Jul06
Moth, oriental fruit	23Aug04
Moth, ribbed cocoon-maker	25Apr04 (pupal cases on trunk)
Moth, rosy maple	23Jun30
Moth, spongy (formerly gypsy), includes reports of caterpillars and adults	25Jun06 24Jun14, 24May31, 24May10 (predators), 24Jan17 23Jul21 22Oct21, 22Aug05 (egg laying), 22Jun17 21Jul16, 21Jun11 20Jun19 18Jun01
Moth, hummingbird clearwing	25Jul25 23Jul28 21Jul23
Moth, luna	20May29
Moth, orange-tipped oakworm	19Jul19, 18Jul06
Moth, oriental fruit	22Jun03, 22May27 21May21, 21May14
Moth, pine tip	19Jun21
Moth, plastic-eating	18Sep21
Moth, tuliptree silk	22Jun10
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Nectria (an entomopathogenic fungi)	24Oct04 (on gloomy scale), 24Jun14 21Oct22
Nematodes, entomopathogenic* (beneficial)	23Aug25 20Jul17 (and peachtree borers)
Nematodes, foliar	23Aug25 18Aug31
Nematodes, root knot	20Sep18
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Parasitoids of caterpillars	24Sep27, 24Apr05 19Sep13
Pcosids	20May29
Phylloxera, oak	25Aug15 24Sep13
Pillbugs	23Mar31 (and sowbugs)
Planthopper	22Sep02, 22Jul29 19Aug02
Pollinators	24Aug16 (heat impact)
Psyllid	24May31 (thornless blackberry)
Psyllid, boxwood	25May02 25Apr25 24May03, 24Apr26, 24Apr19 23Apr28, 23Apr07 22Apr29 21Jun04, 21May07, 21Apr30, 21Apr23, 21Apr16 20Apr03 19May03, 19Apr12 18May11, 18May04, 18Apr20, 18Apr06
Psyllid, persimmon	25Jul11
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Sapsuckers, yellow-bellied	18Oct26, 18Apr20, 18Apr13
Sawfly	22May27 (creeping jenny) 21May21 (on Chionanthus), 21May07 (creeping jenny) 18Jul06 (hornbeam), 18Jun15 (creeping jenny)
Sawfly, bladdernut slug	21Jul16
Sawfly, bristly roseslug	21May07, 21Apr30 20May29, 20May15
Sawfly, butternut woollyworm	24Jul19 21Aug27 18Sep07, 18Aug03
Sawfly, dogwood	25Aug08 24Jul26, 24Jun14 23Aug11, 23Jul21, 23Jun16 22Jul29 21Aug13 20Sep18, 20Jul31, 20Jul17 19Aug02, 19Jul19
Sawfly, dusky birch	25Oct03, 25May16 19Jun28
Sawfly, elm zig zag	25Jul11 24Jun28 21Aug13, 21Jul09
Sawfly, European pine	25May09
Sawfly, hibiscus	25Aug08 22Jun17, 22Jun10 20Sep18, 20Sep11
Sawfly, introduced pine	20Jun19
Sawfly, loosestrife	25Aug22 24Aug16
Sawfly, oak slug	23Jun23 22Jun17 20Aug28
Sawfly, slug	24Jul12 19Jun28 (on black gum)
Sawfly, spiny	19May03
Sawfly, spiny ash	25May09
Sawfly, red-headed pine	25Sep12 24Oct04 22Aug05 21Sep10 20Sep25 19Oct25, 19Sep13, 19Jul19, 19Jul12 18Oct05
Sawfly, rose slug (various species)	25Sep05, 25May23, 25May16, 25Apr25 24Oct04, 24May03, 24Apr26 23May12, 23Apr21 22May27, 22May06, 22Apr22 20May01 19Apr26 18May11, 18May04
Sawfly, willow	25Jun20 19Jun14 18May18
Sawfly, zigzag	25May02 (cherry) 22Jul15 (larva)
Scale insects	24Jul19 (on arborvitae) 23Apr14 (using IGRs) 22Apr22 (with Nectria fungus) 21Sep24 20Aug07 (and a fungus), 20Mar05 (an armored scale on Acorus gramineus 'Variegatus')
Scale, azalea bark	23Jun02 22Jun03 21Jul16, 21Jun18, 21May28 20Aug21, 20Apr24 19Oct04
Scale, calico	25May02 24Apr26 23May12, 23Apr14 21Jun04, 21Apr30 20Jun05, 20Apr24 19May24, 19May03 18May25, 18May18, 18May04
Scale, camellia	25Sep26
Scale, Chionaspis nyssae (black gum/sourgum scurfy scale)	25Jul11 24Jun28 23Sep01, 23Jul14, 23May26 (fungus present), 23Mar31 (felt fungus on the scale) 21Sep17, 21May14 20Jul31 (on black tupelo)
Scale, Clavaspis ulmi (on elm)	23Sep22
Scale, cottony azalea	24May24
Scale, cottony camellia (taxus)	25Jun06, 25May16, 25May09, 25Apr25, 25Apr18 24Jun28, 24May24, 24May10, 24Apr26 23May12, 23May05, 23Apr28, 23Apr07 22Jun10, 22May06, 22Apr01 21Oct22, 21Jun11, 21Jun04, 21May28, 21May07, 21Apr30 20Oct16, 20Jul24, 20Jun12, 20Jun05, 20May22, 20May15, 20May08, 20Mar27 19May24, 19May17, 19Apr26 18Jun08, 18Jun01, 18May25, 18May18, 18May11
Scale, cottony cushion	20Dec11
Scale, cottony maple leaf	24Jun28 23Jun09, 23Apr28 21May28 20Jun12 18Jun08
Scale, cottony maple	24Aug09 21Jul09
Scale, crapemyrtle bark	25Oct10, 25Oct03, 25Aug15, 25Jul31, 25Jul25, 25Jul11, 25Jun27, 25Jun20, 25Jun13, 25Jun06, 25May30, 25May23, 25May09, 25Apr11 24Sep13 (and predators), 24Aug30, 24Aug09, 24Jul19, 24Jun21, 24Jun14, 24May31, 24May24, 24May10, 24May03, 24Apr19 23Nov03, 23Oct13, 23Oct06, 23Sep29, 23Sep15, 23Jun23 (and predators), 23Jun02, 23May26, 23May19, 23May05, 23Apr21, 23Mar31, 23Mar24 22Nov22, 22Oct28, 22Oct14, 22Sep30, 22Aug05, 22May20, 22May06, 22Apr01 21Oct08, 21Sep03, 21Aug27, 21Aug13 20Sep04, 20Aug28, 20Aug07, 20Apr17, 20Apr10 19Aug30
Scale, cryptomeria	23Apr07 21Oct29, 21Jun11 20Dec11, 20Jun12, 20Apr24 18Aug24, 18Jun15
Scale, elongate hemlock	22May06 20Apr10 18Sep21, 18Jun08
Scale, euonymus	25Aug15 25Jul18 24Aug23, 24Aug02 23Jul28, 23May12 22Nov22, 22May27, 22Apr22 21Sep17 20Jun26, 20May15 19Jun28, 19May17 18Sep14, 18Sep07, 18Jul20, 18Jun15
Scale, European elm	25Mar28 24Jun21, 24May31 23Apr28 21Jun18 20Jul17, 20Jul10, 20Jun12, 20May22
Scale, European fruit	25Jun06, 25May09
Scale, false Florida red	25Sep26
Scale, false pit	18Aug31
Scale, felted (Eriococcin)	24May10 (oak) 22May20 (oak) 20Jul24 18Apr27
Scale, fern	25Jul18 24Aug02 22Aug26 21Apr23 20Apr03 19May10
Scale, fletcher	24Jun21 22Jun17 19May24
Scale, gloomy	25Jun27, 25Jun06, 25Apr18 24Jun13 23May12 22Jun29 20Aug07, 20Jul10, 20Jun19, 20May15 19Apr05 18Apr27
Scale, holly pit	21Aug27
Scale, Indian wax	23Sep29, 23Sep22, 23Mar17 22Apr29, 22Apr08 21Oct22, 21Oct01, 21Jun18, 21Apr09 20Mar20
Scale, Japanese maple	25Aug15, 25Jul18, 25Apr25, 25Apr04, 25Mar28 24Aug02, 24Jul12, 24May24, 24May10, 24Apr12 23Jul14, 23Jun30, 23Jun09, 23Apr14 22Aug05, 22Jun24, 22Jun03, 22May06, 22Apr01 21Oct22, 21Aug13, 21Jun11, 21Jun04, 21Apr23 20Jul17, 20Jul02, 20Jun12, 20Apr24 19Jul19, 19Jun14, 19Jun07 18Oct05, 18Jun15
Scale, juniper	18Sep07
Scale, lecanium	25Mar28 (oak) 24Aug23 23May26 (oak) 22Jun03 (on Taxus), 22May06 21Jun04, 21May28, 21May21, 21May14, 21May07 20Dec11, 20Jun19, 20Jun12, 20May29, 20May22, 20May15, 20May08 19Oct18, 19Jun07, 19May10 18Jun15, 18Jun01, 18May25
Scale, magnolia	24Aug16, 24Aug09 23Sep29, 23Sep08, 23Jul14, 23Jun30, 23Jun16
Scale, white magnolia (false oleander scale)	23Sep22
Scale, Maskell	25Jul18, 25May30 24May24 23Apr21 22Apr08 20May08, 20Apr24, 20Apr17 18Aug31, 18Jun01
Scale, minute cypress	23May26, 23Apr21 22May27 21May21 20Jun12, 20May15, 20May08 19Apr26 18Sep07
Scale, obscure	25Apr18 20May15, 20May08 19Aug02, 19Jun28 18May11
Scale, oystershell	19Sep13, 19Apr26 18May18, 18Apr20
Scale, pine needle	23Mar31 (and lady beetles) 22May13, 22Apr08 20May15 19May03 18Jun01
Scale, pine tortoise	24Mar29
Scale, (Pulvinaria spp.)	22Jun03 21May21 (on hibiscus)
Scale, Pulvinaria innumerabilis	22Sep30
Scale, Putnam	21Jul23 (on blueberry)
Scale, San Jose	25Apr18 24May24 23Oct13, 23May26, 23May05, 23Mar24, 23Jan24 22Aug26, 22Jul15 21Oct29, 21Sep17 20Jun19, 20May08 19Sep06, 19Aug23, 19Aug02, 19Jun28 18Aug31, 18May25, 18May18
Scale, spruce bud	25Apr18
Scale, tea	25Sep26, 25Apr25, 25Apr04 24Jun21, 24Mar29 22May06, 22Apr22, 22Apr01 20Jun12 19Oct04, 19Sep06, 19Jul19, 19May24
Scale, tuliptree (and magnolia)	25Sep19, 25Sep05, 25Aug29, 25Jun13, 25May02, 25Apr25, 25Apr04 24Sep27, 24Jul19, 24Jun21, 24Jun14, 24May03, 24Apr12 23Sep22, 23Sep15, 23Aug04, 23May26, 23Apr21, 23Apr07 22Sep16, 22Sep09, 22Aug26, 22Apr15 21Sep17, 21Sep10, 21Sep03, 21Jul16, 21May07, 21Apr23 20Oct30, 20Sep18, 20Sep11, 20Aug14, 20Jul24 19Sep26, 19Sep13, 19Aug16, 19Apr26 18Sep14, 18Jul20, 18Jun29, 18May25
Scale, white peach	25Oct24 23Oct06
Scale, white prunicola	25Oct24, 25Sep19, 25Sep05, 25Aug29, 25Apr25, 25Apr04 24Aug16, 24Jul12, 24Jun21, 24May17, 24May10, 24Apr12 23Oct20, 23Oct13, 23Jul21, 23May26, 23May19, 23May12, 23May05, 23Apr14, 23Apr07 22Oct21, 22Sep16, 22Aug26, 22Jul22, 22May27, 22May13 (also white peach scale), 22May06 21Sep17, 21Sep03, 21Jul16, 21May21 20Jun19, 20Jun12, 20May29, 20May08 19Oct18, 19Sep13, 19Aug30, 19Aug02, 19May17 18Jul06, 18Jun01, 18May11, 18Apr27
Slugs	25May30 24May03 (biocontrol), 24Apr26, 24Apr19 (and snails) 23Sep01 22Jul15 (predators)
Sowbugs	23Mar31 (and pillbugs)
Spiders*	25May02 24Oct25, 24Oct18 (photos feeding on insects) 18Oct26, 18Sep14
Spider, Argiope*	25Oct03 24Oct11 23Oct13, 23Sep08 19Aug09 18Aug31
Spider, black widow	25Oct24 22May06
Spider, crab*	24Aug16 20Sep18
Spider, funnel*	25Sep05 23Sep29 20Oct02
Spider, Jorō	25Aug22 22Apr01
Spider, jumping*	22Aug26 19Nov01
Spider, orb*	21Sep17, 20Oct30 18Oct12
Spider, spined orbweaver*	20Jul31
Spider, spotted orbweaver*	22Oct14
Spider, wolf*	23Oct13 21Oct15 18May18
Spittlebug	25May23 24May17 21Jun18 19Jun07 18Jun01
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Termites	25Jun13 (swarming) 20May22 (swarming) 19May10 18May11 17Jun02
Thrips	25May23 (Thrips parvispipnus found in Delaware) 21Jun11 (vegetables)
Thrips, predatory*	18Sep28
Thrips, privet	25Jun06
Ticks	25Mar28 24Aug23, 24Aug09 23Oct27, 23Apr21, 23Apr14 (and backyard deer), 23Mar02 22Apr22 21May21, 21May14 20Nov13 (and fleas), 20Jun12 (lonestar tick), 20May08 19May17 18Jul06 (longhorned), 18Jun01
Treehopper, oak	25May09 20May29
Treehopper, two-marked	22Sep30 21Oct29, 20Sep25
Twig pruners	18Jul06
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Walkingsticks	24Aug09 22Sep02 19Aug30 18Sep21
Wasp, Aphidius	23Jun16 (parasitoid)
Wasp, braconid wasp*	23Sep01 (Cotesia spp. attack caterpillars) 20May15 (aphid parasitoids)
Wasp, cicada killer*	25Aug15, 25Aug08, 25Jun27 23Jul28
Wasp, crabronid	23May12 (as predaor of emerald ash borer), 23May05
Wasp, cuckoo	20Jun19
Wasp, cynipid gall*	18Sep21
Wasp, four-toothed mason*	24Jun21 20Aug14
Wasp, great golden digger	25Aug08 20Jul24
Wasp, horntail*	19Sep13
Wasp, Ichneumon*	23Sep08 22Sep16, 22Sep09, 22Aug12 19Oct11 18Jul27
Wasp, mud dauber	20Jun19 (a new invasive found in Colorado and Quebec)
Wasp, mymarid*	21Jun04, 21Apr30 (lace bug predator)
Wasp, paper (Polistes sp.)	24Aug16 23Aug04 21Aug13 (and fall webworms) 20May08 19Aug23 18Jul27
Wasp, parasitic*	25May30, 25Apr25 24Aug23, 24Jul12, 24Jun28 23Jun16 (mummies), 23May19 (laying eggs), 23Apr21 (mummies) 22Sep09 (hornworm) 21Sep17 (of scale insects), 21May07 (parasitoids of aphids) 18Sep21, 18Aug31
Wasp, sand	20Aug07, 20Jul31
Wasp, scoliid (digger wasp or blue-winged wasp)*	24Aug30, 24Aug16 22Sep02, 22Aug05 21Oct01 19Aug16 18Sep07, 18Aug31, 18Aug03, 18Jul27
Wasp, thread-waisted (Eremnophila)	25Sep12
Wasp, Tiphia sp.	23Jul21 20Jul17
Wasp, wood (Tremex columba)	25Sep19
Wasp, yellowjacket	25Sep26 23Aug11
Webworm, ailanthus	25Jul18 18Oct05
Webworm, Asimina (paw paw)	22Aug26 21Jul16 19Sep06
Webworm, barberry	20Sep18
Webworm, fall	25Aug29, 25May23 24Aug02, 24Jul19, 24May31 23Oct13, 23Sep01, 23Aug11 (their predators), 23Aug04, 23Jul21 22Aug26, 22Jul29, 22Jul22, 22Jun17, 22Jun03 21Oct01, 21Jul16, 21Jun11 20Sep25, 20Sep11, 20Sep04, 20Aug14, 20Jul24, 20Jul02, 20Jun26, 20Jun12 19Aug09, 19Aug02, 19Jul26, 19Jul19, 19Jul12, 19Jun07 18Aug24, 18Aug17, 18Jul13, 18Jul06, 18Jun22, 18Jun15, 18Jun01
Webworm, Hawaiin beet	23Sep22
Webworm, Juniper	21Aug13
Webworm, mimosa	25Aug22 23Jul21 20Sep11 18Aug31
Weevils	23Jun30
Weevil, large thistle	25Sep19 (Canada thistle control)
Weevil, plum curculio	24May10, 24May03, 24Apr19 23Apr28 22Apr22, 22Apr15, 22Apr08 21Apr09 19Apr26 18May04
Weevil, thistle-head (Rhinocyllus conicus)	23Jun23 (thistle control)
Weevil, twobanded Japanese	25Jun20 23Aug11 20Aug07
Weevil, white pine	25Apr18, 25Apr04 24Feb29 22Jun03, 22Mar25 21May07 20May15, 20Apr10, 20Mar20 19Jun14 18Jun08
Weevil, yellow poplar	25Jul11, 25Jun27, 25Jun20, 25Jun13, 25Jun11 (special alert) 22Aug05
Whitefly, mulberry	23May26 19May17 18May04
Winter survival of insects	22Oct28