Insect Index 2016 - 2022 - Landscape and Nursery IPM Alert (previous reports posted back to 2018)

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

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

INSECTS/ MITES DATE OF REPORT
A  
Adelgid, hemlock woolly

22Aug12, 22May06, 22Apr29, 22Apr01
21Jan15

20May15, 20May01, 20Mar27
19Jun28
18Apr27
17Apr14, 17Apr07
16Oct14, 16Jul15, 16Jun03, 16Apr22
Adelgid, pine bark

21Oct29, 21Jun04, 21Apr23 
20Apr24, 20Apr03
18May04
16Apr29
Ants 22Apr29 (on peony flowers) 
19May03 (as disruptors of biocontrol)
Ants, as predators* 19Apr26
Ant, citronella, citrus, yellow or lemon 17Apr21
Ant, fire 18May11
Ant, velvet (a wasp)* 22Aug12 
20Aug28
17Aug18
Antlion* 19Jul26
Aphids

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

17Aug11 (on holly), 17July07 (on tomato), 17Jun16, 17May26, 17May12, 17Apr28, 17Apr14, 17Mar24

16Jul08 (predators), 16Jun10, 16May20 (beneficial of the week), 16May13 (and predators), 16Apr22, 16Mar25 (control on trees)
Aphid, beech blight 22Sep30, 22Aug26  
21Sep03 
20Nov24 (and "weird" sooty mold), 20Oct23
Aphid, cherry 22Jun10 
18Jun01
Aphid, crapemyrtle

22Jul15, 22Apr29 
21Aug13, 21Aug13, 21Jul02, 21Apr30 
20Aug07, 20Jul02, 20Jun12
19Sep13, 19Aug23, 19May10

18Sep14, 18May18
17Sep29, 17Jul21, 17Jun23, 17Jun16, 17May05
16Jul15
Aphid, giant bark

21Apr30 
20Oct23
19Jun07

17Oct13
Aphid, hellebore (and entomopathogenic fungus)

21Feb12

16Jul08
Aphid, honeysuckle 20Jul17
Aphid, lily

21Feb12

17Jun16
Aphid, oleander 22Aug05, 22Jun24 
20Sep18, 20Jun26
19Aug30, 19Aug23
17Aug18
Aphid, root 22Jul15
Aphid, rose 18Apr20
17Apr14
Aphid, rosy apple 16Apr15
Aphid, spiny witchhazel gall

22Apr22 
21Apr23 

20Apr10
18May04
17Apr21
16Jul01, 16Apr22
Aphid, spirea 22May20, 22May06 
20May08
19May10
Aphid, tuliptree

20Oct23
19Jun14

17Jun16
Aphid, viburnum 22May06
Aphid, white pine 18Jun15
Aphid, woolly

21Aug27 
20Oct30 (pyracantha), 20May08 (hawthorn)
19Apr26 (hawthorn)
18May04 (hawthorn)

16Apr22 (hawthorn)
Aphid, woolly alder 21Oct22 
20Oct23
19Oct25, 19Oct11
Aphid, woolly apple

22May06 
20Apr17
19Aug30

18Aug31
17Jul14
16Oct21, 16Oct07
Aphid, woolly beech 20Jun05
16Oct07
Aphid, woolly elm

20Apr24
18May25, 18May11
Arthropods and their benefits 16Mar18
15Mar20
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Bagworm

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
17Aug25, 17Jul28, 17Jul14, 17Jun30, 17Jun23, 17Jun16, 17Jun09, 17Jun02, 17Mar24
16Aug19 (roses), 16Jul15, 16Jun17, 16Jun10, 16Jun03
Barklice*

22Jul08 
19Sep13, 19Jul12

18Sep21, 18Jun29
Bees 21Jul09 (and honeydew)
Bee, black and gold 19Jul12
Bee, bumble 20May29
17Mar31
Bee, carpenter

17Sep15 (beneficial)

16Apr01
Bee, Eastern carpenter* (beneficial) 17Apr14
Bee, giant resin 16Jul22, 16Jul15
Bee, green*

16Aug12
Bee, ground nesting*

21Apr09

20May22
18May11

17Apr21

16Apr08
Bee, honey* (a potential biological control for varroa mite) 20Apr10 (swarms)
Bee, leafcutter

20Jul17, 20Jun12
19Aug30, 19Jun07

18May25
Bee, mason* 16Mar25
Bee, mining* 22Apr08 
20Mar20
19May10
Bee, plasterer* 22May13
Bee, solitary* 19Apr05
Bee, sweat* 21Jul09
Beetle, ambrosia

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
17Aug11, 17May26, 17May19, 17May05, 17Apr28, 17Apr21, 17Apr14, 17Apr07, 17Mar31, 17Mar17
16Sep16, 16Sep09, 16Aug12, 16Jul22, 16Jun10, 16Jun03, 16May20, 16May13, 16May06, 16Apr29, 16Apr22, 16Apr15, 16Apr08, 16Apr01, 16Mar25
Beetle, ambrosia (Xyleborus mongraphus) 20Aug28 (only found in California at this time)
Beetle, Ant-mimic Longhorned 17Apr14
Beetle, bess 20May29
Beetle, big eyed click (predator) 20Jul31
Beetle, blister 21Apr30 
20May01
19Aug16
18Sep21
17May12, 17Apr21
Beetle, bombardier 18Jul06
Beetle, burying 17Apr21
Beetle, camphor 21Jul09
19Sep20
Beetle, carrion 18Sep21
Beetle, checkered 20Oct16
19Oct18
Beetle, click

20Jun26
18Jun15

16Jun24
Beetle, darkling 20Jul31
Beetle, elm leaf 22Aug26  
20Aug07
18Jul13
Beetle, Fiery searcher* (Predator) 22May27 
19Apr12
17Apr21
Beetle, flower longhorn 19Jul26
17Jun30
Beetle, golden tortoise 22Jul08
17Jun09
Beetle, green June

22Jul29 
19Jul12

18Jun29
17July07
16Jul08
Beetle, ground (predator)* 20Oct02
16Oct14
Beetle, hercules 22Jul22, 22Jul08  
21Jul16 
19Jul26, 19Jun28
16Oct21
Beetle, imported willow leaf 22Jul22 
20May29
16Apr08
Beetle, Japanese

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
17Jul14, 17July07, 17Jun30, 17Jun23, 17Jun16
16Jul15, 16Jul08, 16Jul01, 16Jun24, 16Jun17
Beetle, lady bird*
(predator)

22Oct21 (crapemyrtle bark scale), 22Jun24, 22Jun10 (larvae), 22May27, 22Apr08  
21Oct29, 21Sep10, 21Mar12

20Oct16 (feeding on scale), 20Jun19
19Jul12

18Jun15, 18Jun08, 18Jun01
16May27 (Hyperaspis)
Beetle, lady bird* (Hyperaspis) 21May14
Beetle, lady bird - spider mite destroyer*

17May19

16Sep16
Beetle, yellow tipped lady bird* 16Jul01
Beetle, lightning bug (firefly) 21Oct08
20Jun12
Beetle, multi-colored Asian lady 20Oct23
19Oct25
18Oct05
Beetle, oriental

20Jun19
16Jun24
Beetle, pleasing fungus (feeds on woody bracket fungi) 17Apr28
Beetle, red-legged Buprestis 19Jul19
Beetle, red milkweed 22Jul22
Beetle, rove* 18Jul20
Beetle, seedcorn 20Sep11 (golf greens)
Beetle, scarab

18Jul06

17Apr07
Beetle, six spotted green metallic* (predator)

21Apr16
20Apr10
18Apr27

16Jun03, 16Apr01
Beetle, soldier 21Oct15 (velvetwom-larval stage), 21Jul16
16Oct21 (larva)
Beetle, stag 19Jul19
Beetle, swamp milkweed 21Jun25
Beetle, tooth-necked fungus* (predator) 17May19
Beetle, twice-stabbed* (predator) 22Sep02  
21Jun11 
18Oct12, 18Apr13
Beetle, viburnum leaf 22Apr29 
19Sep13, 19Jun28
18May11
17Jun23, 17Jun16, 17May12
Beetle, willow leaf 19Apr26
16May20
Beetle, wood boring (Agrilus carpini) 22Apr15
Beneficial insects* 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)
16Nov04 (how insects survive the winter)
Borer, Asian longhorned 21Aug13 (time to check trees)
Borer, banded ash* (beneficial) 17Apr07
Borer, banded ash clearwing 20May29 (damage)
17Sep29
Borer, China fir 18Apr27
Borer, dogwood 16Sep02
Borer, elder shoot 22May13 
18May25
Borer, emerald ash

22Jun10, 22May20 
21Jul09, 21May07 (and black locust bloom time)
20Oct30 (dead trees)
19May03

18Jul13, 18Jun29, 18Jun22, 18Jun08, 18May18, 18May11
17Jun09, 17Jun02, 17May26
16Oct07 (spring vs fall treatments), 16Aug26 (egg parasitoid - Oobius agrili), 16Jul15, 16Jun24, 16Jun10
Borer, emerald ash (predators and parasitoids) 20Jul02, 20May29
19Jul19
17Apr28, 17Apr14
Borer, flat headed apple tree

18Jul20

16Jul15, 16Mar18
Borer, hickory 21Oct01
Borer, ivory-marked longhorned beetle 20Jul24
Borer, lesser peachtree 16Jun03, 16May27
Borer, lilac/ash

22Jun10, 22May06 
20Jun19
18May25

17Apr28

16Jun10, 16Jun03, 16May27, 16Apr29
Borer, locust

22May20
17Sep29

16Sep30
Borer, longhorned 17Jul14
Borer, main peachtree

20Jul10 (damage), 20Jul02, 20Jun05
19Jun21

18Jul13, 18Jun22
17Jul14
16Jul01
Borer, maple petiole

22May20 
21May14  
20Jul24
19Sep13, 19Jun14

18May25
17May05
Borer, maple tip 16May20
Borer, peachtree

21Jun25
20Jul31 (damage), 20Jun19, 20Jun12
19Oct25, 19Jul19, 19Jul12, 19Jun28, 19Jun07

18Jul27
17Jun23
Borer, redheaded ash

20May29
17May12

16Jul01, 16Apr29
Borer, red oak 16Jun03
Borer, squash vine 21Jun18
Borer, stalk (Papaipema nebris) 16May20 (elderberry)
Borer, twolined chestnut 19Jun07
Borer, Unusual surface bark borer 18Apr13
Bug, ambush* (predator) 20Sep25
Bug, andromeda (pieris) lace 22May06 
21Apr23 
20Apr17
16Aug12, 16May13
Bug, assassin (predator)

22May27, 22May20 
21Oct29 (orange assassin bug), 21Oct15, 21Sep24 (orange assassin bug), 21Apr30 
20May22 (orange assassin bug)
19Aug23, 19Aug02, 19Jun07

18May25, 18May18 (hatch)
17July07, 17Jun09
16Oct28, 16Oct21, 16Jun17, 16Apr29
Bug, azalea lace 22Apr29 
20Oct09
19Apr26
18Apr27
16May20
Bug, azalea plant* (predator) 20Apr24
Bug, basswood/linden lace 20May15
19Jun21 (and lady bird beetles)
Bug, boxelder

21Jul02, 21Jun18 
20Oct02
17Oct13

16Sep09, 16Mar18
Bug, harlequin 22Apr29
Bug, brown marmorated stink

22Oct21, 22Jun17 (parasitoids of BMSB eggs), 22May20 
21Sep24 
20Jun05
19Oct04, 19Sep20

18Sep28, 18May18, 18Apr06
17Sep29
16Oct21, 16Sep23
Bug, chinch 20Sep18
19Jul26
18Sep07
Bug, damsel 20Oct09
Bug, Florida predatory stink

21Oct29, 21Sep03
17Oct13

16Jul15
Bug, four-lined plant

22Jun03, 22May27, 22May20 
21May21 
20Jun19, 20May29
19May10

18Jun01
17Jun09, 17May26
16May20
Bug, green assassin* 17Jun23
Bug, green stink 18Jul20
17Sep29
Bug, goldenrain tree (or red-shouldered) 20Nov13
16Aug12
Bug, harlequin 19Sep13, 19Aug16
16Sep23
Bug, hawthorn lace 22Aug26 
22May13  
20Oct16
16Aug12
Bug, honeylocust plant

22Apr29 
21May28 (damage), 21May14, 21May07 
18May11

17Apr28
Bug, Japanese plant* 20Apr17 (predator of azalea lace bug)
Bug, lace

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

17Sep01, 17Jun30, 17May19, 17May05, 17Apr14 (pieris)

16Sep23 (serviceberry)
Bug, leaffooted 20Jul02
18Oct05, 18May25
17Sep01
16Aug26, 16Aug12
Bug, milkweed

21Oct01, 21Jul09 
20Sep18, 20Aug14
19Sep26

17Aug18
Bug, milkweed assassin* 18Aug24
Bug, minute pirate*

22Jun24  
19Sep20

17Sep29
Bug, oak lace 21May21 
20Sep04, 20Jun26
19Aug16
Bug, phlox plant 17Jun02
Bug, plant 22Jun03 (on maple)
Bug, pieris 19Apr12
Bug, plant* 18Jul13
Bug, scentless plant 17Sep29
Bug, small milkweed (Lygaeus kalmii) 16Sep09 (feeding on a monarch caterpillar)
Bug, sow 18May25
Bug, spined soldier*

19Aug30, 19Jun07

17Jun09
Bug, stilt 22Jul08
Bug, sycamore assassin* 20Apr24
Bug, sycamore lace 20Oct16
Bug, tarnished plant 19Jul26
Bug, wheel (assassin)* (predator) 21May14, 20Sep04, 20Jul17, 20Jun12, 20Jun05, 20May22, 20Apr03
19Sep13
Bug, yucca

18Jun22

17May05

16Sep02
Butterfly, Baltimore checkerspot

16Sep30
Butterfly, eastern tiger swallowtail 16Oct21
Butterfly, giant swallowtail 19Sep20
Butterfly, monarch 22Sep02, 22May20  
21Sep03, 21Aug27,  21Aug20
19Oct04
17Jun02
Butterfly, mourning cloak 19May24
Butterfly populations 20Jul31, 20Jul24
Butterfly, variegated fritillary (pupa) 17Jun23
C
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Cankerworm 16May20
Carpenterworm 18Jun29
Caterpillars - good or bad? 18Jun08  
Caterpillar on boxwood (not in US) 17Jul21
Caterpillar, American dagger 20Sep11
Caterpillar, asimina webworm 20Aug28
Caterpillar, barberry looper 16Oct14
Caterpillar, black swallowtail 19Aug30, 19Aug09, 19Jul26
17July07
16Aug12
Caterpillar, brown hooded owlet Caterpillar, black swallowtail
Caterpillar, camouflaged looper 20Aug07
Caterpillar, Canadian owlet moth 19Aug02
Caterpillar, casebearer 20Jul17
Caterpillar, catalpa sphinx (hornworm)

22Jul22, 22Jun17 
21Sep10 (parasitized), 21Jul23, 21Jul16, 21Jun18 
20Sep11 (parasitized), 20Jul02
19Sep13, 19Jul19, 19Jun14

18Aug17, 18Jul27, 18Jun08
17Sep15, 17Aug04, 17Jul28, 17Jul21
16Sep30
Caterpillar, cecropia moth 20Aug21, 20Aug07
19Jul26
Caterpillar, checkered fringe 20Sep11
Caterpillar, chestnut chizura 17Oct13
Caterpillar, China Mark Moth 22Jul08
Caterpillar, cutworm 20Oct23
Caterpillar, Eastern tent

22Apr22, 22Apr01
21Apr30, 21Apr23 

20Apr17, 20Apr10
19May17, 19May03

17Apr21, 17Apr07, 17Mar31, 17Mar17 (egg hatch)
16Jun10, 16May13, 16Apr22, 16Apr01, 16Mar25, 16Mar18
Caterpillar, euonymus 22May20 
20May22
19May10
17May05
Caterpillar, euonymus leaf-notcher (Pryeria sinica)

21May07 
20Apr10
19May10

17Mar17
16Apr22, 16Apr08
Caterpillar, fall armyworms

22Jul29, 22Mar25

21Oct22, 21Oct15, 21Sep24, 21Sep17, 21Sep10, 21Sep03, 21Aug30, 21Aug27
Caterpillar, fern leaffolder 21Jul23
20Jun05
Caterpillar, genista broom moth 12Aug24, 12Aug10, 12Jul27 (Baptisia)
Caterpillar, greenstriped 19Jun14
Caterpillar, haploa 22Oct28  
18Sep28
Caterpillar, hibiscus leaf moth 20Sep11
Caterpillar, hickory tussock moth 22Sep02  
18Jul27
Caterpillar, hydrangea leaftier

17Apr28

16Apr29
Caterpillar, imperial moth

20Sep11
19Sep13

18Sep21
Caterpillar, Io moth 20Jul24
19Aug02
Caterpillar, leaffolder 19Sep06 (oak), 19Aug30, 19May17
17Jun23
Caterpillar, leafroller 18Oct05
Caterpillar, leopard moth

17Apr21
Caterpillar, locust twig borer 22Aug12
Caterpillar, luna moth 17Sep01
Caterpillar, milkweed tussock moth 22Sep02, 22Aug05
Caterpillar, monarch

22Aug12, 22Aug05 
19Aug30, 19May17

18Jul06
17Sep01
16Sep02 (feeding on honeyvine milkweed - Cynanchum laeve)
Caterpillar, orangestriped oakworm

22Jul29  
21Sep10, 21Aug27 
20Aug21 (parasitic wasps), 20Aug14, 20Jul24, 20Jul17
19Sep13, 19Aug16, 19Aug09, 19Aug02 (fed on by spined solider bug), 19Jul26, 19Jul12

18Aug17, 18Jul20
17Aug18, 17Aug04, 17Jul28
16Aug19, 16Aug12, 16Jul29, 16Jul22
Caterpillar, paddle dagger moth 18Oct12
Caterpillar, predaceous (Laetilia coccidivora) 22Sep30  
20Sep04
18Oct19
Caterpillar, pipevine 16Sep09
Caterpillar, puss 21Sep17 
20Sep04, 20Aug14
Caterpillar (Pyrausta inornatalis) 20Sep25 (on salvia)
Caterpillar, question mark 20Aug14
Caterpillar, redbud leaffolder 19Aug23, 19Aug02
Caterpillar, redhumped

22Jul29 
19Aug09

16Aug19, 16Aug12
Caterpillar, ribbed cocoon-maker (Bucculatrix sp.) 22Aug05
Caterpillar, saddleback

20Aug14, 20Aug07
18Aug24

17Sep29, 17Sep01, 17Aug25

16Aug26, 16Aug19
Caterpillar, skiff moth 18Sep21
Caterpillar, slug 18Aug03
Caterpillar, spiny elm 19Aug02
Caterpillars, stinging

21Aug13 
19Sep06
Caterpillar, tobacco budworm 18Sep21
Caterpillar, tobacco hornworm 20Sep11
19Sep06, 19Jul12
18Jul13
Caterpillar, tortricid 19Aug30 (beech)
Caterpillar, tussock moth 19Sep06, 19Jul26
18Aug17
17Oct13
Caterpillar, unicorn moth 22Oct28
Caterpillar, variable oakleaf

18Aug03
17July07
Caterpillar, walnut 19Sep13, 19Aug09
Caterpillar, wavy-lined Heterocampa 20Jul10
Caterpillar, white-blotched heterocampa 16Sep16
Caterpillar, white flannel moth 18Aug31
Caterpillar, white-lined sphinx 16Sep16
Caterpillar, white-marked tussock moth 22Aug05  
18Jun15
Caterpillar, woolly bear 17Aug18
Caterpillar, yellow bear 19Jun28
Caterpillar, yellownecked

22Jul29  
21Sep17
18Jul27
Centipedes

20Apr03
Cicada, dog day (annual)

22Sep02  
21Aug27
20Aug28, 20Jul24
19May10

18Aug31
Cicada, periodical

22May13 (damage from 2021) 
21Apr09

20Sep18, 20Jun12, 20Jun05, 20May29 (a few emergence reports)
18May25

17Jun09, 17Jun02, 17May26, 17May19
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
Cicada, periodical (Brood V) 16May27 (western MD and other areas)
Cicada, periodical (Brood VI) 17May12
Chiggers 19Jul12
Cricket, snowy tree

19Aug30

17Sep15
D
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Daddy long-legs 21Jun25
Dobsonfly 22Jun24 
20Jun12, 20May29
17Jun30
Dragonfly (predator)* 19Sep26, 19Sep20 (swarms), 19Sep13 (swarms), 19Jun21
Dustywings* (predator)

22Jul29
17May26

16Jun03
E
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Earwigs 22Apr22
17Jul14 (beneficial)
F
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Fly, bee 18May11
Fly, big-headed* 17Aug11
Fly, black 18Sep28
Fly, black soldier* 21May28
Fly, crane 20Oct09 (giant crane fly), 20May15 (phantom crane fly)
18Aug17, 18Jun08
Fly, dance 16Apr29
Fly, fire

18Jun08*

17Jun16
Fly, longlegged* 21Jul02
17Aug25
Fly, march 20May29
19Sep06
Fly, picture winged 19Oct25
Fly, predator midges 16Jul08
Fly, robber*

20Aug21
18Aug17

16Jun24 (bumble bee mimic)
Fly, seed corn (maggots) 16May06 (how they are killed by a fungus)
Fly, silver* 20May01
Fly, spotted winged drosophila 20Jul02
Fly, syrphid (aka hover or flower fly) 22Jul22 (news bee)  
20Jul10
19Jun07, 19May17
Fly, tachinid (parasitoids) 21Jul16 
19Oct11
18Jun22
Fly, tiger bee 17Jul28
Fly, white-faced* 20Sep11
Fungus gnats 19Jun21
G
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Galls

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 22Jun17 
21Jul09 
20Jun19
19Jun14
18Jul13
17Oct13, 17Jun30
Gall, eriophyid mite 19Jun07 (on maple)
Gall, honeycomb leaf wasp 21Oct22
Gall, jumping oak 21Jul16 
18Jun08
Mite, gall 18Jul27 (birch)
Gall, nipple 17May19
Gall, Norway spruce 17Apr28, 17Apr21
Gall, oak apple 20May22
16May20
Gall, pinecone oak (an unusual gall on oak that looks like distorted acorns, caused by a cynipid wasp) 22Aug26 
21Sep10
20Oct09, 20Aug14
19Aug30
Gall, rough oak 22Aug26
Gall, stem (on willow oak) 22Apr22
Gall, willow oak 20May01
Grubs, white

21Aug13 
20Oct23, 20Sep11
19Sep20

18Aug24
17Oct27, 17Sep29
16Oct14, 16Apr15 (status in soil profile)
H
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Hornet, bald-faced 22Sep09, 22Jul29  
21May07, 20Aug14
16Oct14
Hornet, European

22Sep16 
21Oct22, 21Sep24, 21Sep03, 21Aug27, 21Aug13, 20Oct02
19Oct11, 19Aug30, 19Aug16, 19May03

18Oct05
17Oct13, 17Sep15, 17Aug18
Hornet, giant Asian (found in Washington State) 20May15, 20May08
K
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Katydid 22Apr15 (eggs) 
21Sep24 
19Aug23
17Mar24 (egg cases)
16Oct07
L
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Lacewings* 21Jun18 
20May08 (brown lacewings)
19Jun28
18Apr20
Lanternfly, spotted (a planthopper)

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
17Aug18
Leafhoppers 22Aug26 (eggs), 22Aug05 (redbud)
Leafhopper, honeylocust 21May28
Leafhopper, potato

22Jun17, 22May20, 22May13 
21Jun04, 21May28, 20Jun05, 20May29
19Aug02, 19Jun14, 19May17
18Jun01
17Jun16, 17May26
16Jun03
Leafminer 21Jun25 (arborvitae)
16Oct28
Leafminer, allium

22Sep16, 22Apr29, 22Mar25 
21Sep10, 21May14, 21Apr16
20May01, 20Apr03
19May17
17Sep29
Leafminer, birch 16May06
Leafminer, boxwood

22Oct21, 22Oct14, 22Aug26, 22Jul22, 22Jun24, 22Apr29, 22Apr22, 22Apr15, 22Apr01, 22Mar09

21Sep10, 21Apr30, 21Apr16, 21Apr09

20Jun05, 20May15, 20May01
19May03

18May04, 18Apr20, 18Apr13
17Apr14, 17Mar31
16Aug19, 16Apr22, 16Apr15, 16Apr08, 16Apr01
Leafminer, columbine 21May21
Leafminer, daylily 16Jul01
Leafminer, hawthorn

17May05

16May06
Leafminer, holly 20Apr10 (native)
Leafminer, magnolia 21Jul23 
20Jul02
19Aug09
Leafminer, oak shothole 20Jun19, 20Jun12
Leafminer, solitary oak 22Aug05
Leafminer, spinach 18May25
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Maggots, seed 20May22, 20Apr10
Mantid, praying*

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
17Sep29, 17Mar24 (egg cases of Chinese mantid)
16Oct21, 16Sep23, 16Sep16, 16Apr22
Mantisfly* 19Sep13
Mayflies 22Jul08
Mealybug 22Jun03 (on Taxus), 22Apr29 (on viburnum)
Midge, predatory* 19Sep26
Midge, chokecherry gall 21Aug13
Midge, rose

19Jun21

17Jun30, 17May05
16Sep16, 16Aug12
Millipedes 20Apr10
16Jun17
Mites 22Jun03 (on Taxus)
Mite activity (impact of hot weather) 21Jul23, 21Jul16, 21Jun11
17July07
Mite, beech erineum 22May20
Mite, boxwood

22Apr29, 22Apr22, 22Mar25
20Jun26, 20Jun19
18Apr27, 18Apr20

17Apr21, 17Apr07, 17Mar24
Mite, broad 20Jun12 (on cranberries)
Mite, citrus 20Oct02
Mite, eriophyid

22Aug05, 22May13, 22Apr08 
19May10 (on black gum)

18May25
17May19
Mites, flat 22Sep30
Mite, honeylocust spider 17May05
Mite, hornbeam 17Jun30
Mite, maple 19Aug02
Mite, oak itch 21Aug13
Mite, oak spider 19Aug02
Mite, pearleaf blister 22May13  
19May17
18Jun08
Mite, predatory*

22Apr15 
20Mar27

19May10

18Jul27 (spider mite control)
16Sep16
Mite, Southern red

18May11

17Aug18, 17May19
Mite, spider

22Aug12, 22Jul15, 22Jul08   
21Sep10, 21Jun25 
20Aug21, 20Jul24, 20Jul17
18Oct19 (impact of rain), 18Aug03, 18Jul06 (winged euonymus)

17Jun09 (azaleas)

16Jun03 (roses)
Mite, spruce spider

22Jun10, 22Apr29, 22Apr22 
20Sep25, 20Apr24, 20Apr17, 20Mar20

18Apr27, 18Apr20
17Apr28, 17Apr07
16Apr01
Mite, twospotted spider

20Apr17 (strawberries)
17Jul14

16Sep16, 16Sep02, 16Jul29
Mite, velvet 20May15
Mosquito control

18Oct12, 18Aug17, 18Jun22

17Oct13, 17Sep01, 17Jul21

16May20
Mosquitoes and Zika virus 16May13
Moths, as pollinators 22Sep09
Moth, Ailanthus webworm 16Sep23
Moth, boxwood/box tree (not reported in U.S.) 21Aug20
20Oct16 (parasitoids found in England)
19Mar29
18Oct19
Moth, coddling 16Jun17
Moth, giant leopard 18Jul06
Moth, giant silk 17Aug25
Moth, spongy (formerly gypsy), includes reports of caterpillars and adults

22Oct21, 22Aug05 (egg laying), 22Jun17
21Jul16, 21Jun11
20Jun19

18Jun01
17Apr14 (hatch)
16Jun17, 16May13 (entomopathogenic fungus for control)
Moth, hummingbird clearwing 21Jul23
16Jul22
Moth, luna 20May29
Moth, orange-tipped oakworm 19Jul19, 18Jul06
Moth, oriental fruit 22Jun03, 22May27 
21May21, 21May14
16Jun17
Moth, pine tip 19Jun21
Moth, plastic-eating

18Sep21

17Apr28 (larvae)
Moth, tuliptree silk 22Jun10
Myramid* 17July07
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Nectria (an entomopathogenic fungi) 21Oct22
Nematodes, entomopathogenic* (beneficial) 20Jul17 (and peachtree borers)
Nematodes, foliar 18Aug31
Nematodes, root knot 20Sep18
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Parasitoids of caterpillars 19Sep13
Pcosids 20May29
Planthopper 22Sep02, 22Jul29 
19Aug02
Pollinators 16Oct07 (many found in right-of-way), 16Sep23
Psyllid, boxwood 22Apr29  
21Jun04, 21May07, 21Apr30, 21Apr23, 21Apr16 
20Apr03
19May03, 19Apr12
18May11, 18May04, 18Apr20, 18Apr06
16Apr29, 16Apr22
Pollinators, Native plants for 17Mar24
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Sapsuckers, yellow-bellied

18Oct26, 18Apr20, 18Apr13

17Oct27, 17Oct13, 17Mar17
Sawfly

22May27 (creeping jenny) 
21May21 (on Chionanthus), 21May07 (creeping jenny)
18Jul06 (hornbeam), 18Jun15 (creeping jenny)

16Sep30 (contorted filbert), 14Jun13 (roses), 14May30 (roses), 14May23 (roses) 
Sawfly, bladdernut slug 21Jul16
Sawfly, bristly roseslug

21May07, 21Apr30
20May29, 20May15
17Jun02
Sawfly, butternut woollyworm

21Aug27 
18Sep07, 18Aug03

16Aug19
Sawfly, curled roseslug 16Aug12
Sawfly, dogwood

22Jul29 
21Aug13 
20Sep18, 20Jul31, 20Jul17
19Aug02, 19Jul19

17Aug25, 17Aug04
Sawfly, dusky birch

19Jun28
17Aug11, 17May12
Sawfly, elm zig zag 21Aug13, 21Jul09
Sawfly, European pine 16Apr29
Sawfly, hibiscus

22Jun17, 22Jun10 
20Sep18, 20Sep11
17Jun16

16Sep16, 16Jul29
Sawfly, introduced pine 20Jun19
Sawfly, oak slug 22Jun17 
20Aug28
17Jul14, 17Jun16
Sawfly, scarlet oak 16Aug26
Sawfly, slug 19Jun28 (on black gum)
Sawfly, spiny 19May03
Sawfly, red-headed pine

22Aug05  
21Sep10 
20Sep25
19Oct25, 19Sep13, 19Jul19, 19Jul12

18Oct05
16Sep23, 16Jun24
Sawfly, rose slug (various species) 22May27, 22May06, 22Apr22 
20May01
19Apr26
18May11, 18May04
17Jun09, 17May12, 17Apr21, 17Apr14
16Sep09, 16May20, 16Apr29, 16Apr08
Sawfly, white pine

17Oct13

16Jun24
Sawfly, willow 19Jun14
18May18
Sawfly, zigzag 22Jul15 (larva)
Scale insects

22Apr22 (with Nectria fungus) 
21Sep24

20Aug07 (and a fungus), 20Mar05 (an armored scale on Acorus gramineus 'Variegatus')
Scale, azalea bark 22Jun03 
21Jul16, 21Jun18, 21May28 
20Aug21, 20Apr24
19Oct04
17Jun02
Scale, calico

21Jun04, 21Apr30 
20Jun05, 20Apr24
19May24, 19May03

18May25, 18May18, 18May04
17Jun02, 17Apr28
16Jun17, 16May20
Scale, Chionaspis nyssae (black gum scale)

21Sep17, 21May14  
20Jul31 (on black tupelo)
Scale, cottony camellia (taxus)

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
17Jun30, 17May05, 17Apr21
16Jun10, 16Jun03, 16May20, 16Apr29
Scale, cottony cushion 20Dec11
Scale, cottony maple leaf 21May28 
20Jun12
18Jun08
Scale, cottony maple 21Jul09
17Mar31
Scale, crapemyrtle bark 22Nov22, 22Oct28, 22Oct14, 22Sep30, 22Aug05, 22May20, 22May06, 22Apr01 
21Oct08, 21Sep03, 21Aug27, 21Aug13 
20Sep04, 20Aug28, 20Aug07, 20Apr17, 20Apr10
19Aug30
17Jun23
Scale, cryptomeria

21Oct29, 21Jun11
20Dec11, 20Jun12, 20Apr24
18Aug24, 18Jun15

17May19
Scale, elongate hemlock 22May06 
20Apr10
18Sep21, 18Jun08
Scale, euonymus

22Nov22, 22May27, 22Apr22 
21Sep17 
20Jun26, 20May15
19Jun28, 19May17

18Sep14, 18Sep07, 18Jul20, 18Jun15
17Jun30, 17May19
16May06
Scale, European elm 21Jun18 
20Jul17, 20Jul10, 20Jun12, 20May22
Scale, false pit 18Aug31
Scale, felted (Eriococcin) 22May20 (oak) 
20Jul24
18Apr27
Scale, fern 22Aug26 
21Apr23
20Apr03
19May10
16Aug26
Scale, fletcher

22Jun17 
19May24

17May26, 17Apr21
16Jun10, 16May27, 16May06
Scale, gloomy

22Jun29 
20Aug07, 20Jul10, 20Jun19, 20May15
19Apr05

18Apr27
16Jun17
Scale, holly pit 21Aug27
Scale, Indian wax

22Apr29, 22Apr08 
21Oct22, 21Oct01, 21Jun18, 21Apr09

20Mar20

17Sep29, 17Apr14
Scale, Japanese maple

22Aug05, 22Jun24, 22Jun03, 22May06, 22Apr01 
21Oct22, 21Aug13, 21Jun11, 21Jun04, 21Apr23 

20Jul17, 20Jul02, 20Jun12, 20Apr24
19Jul19, 19Jun14, 19Jun07

18Oct05, 18Jun15
17Aug04, 17Jul28, 17Jun30, 17Jun02, 17May26, 17May19, 17Mar31, 17Mar24 (control), 17Mar17
16Sep16, 16Aug12, 16Jun10, 16Jun03, 16Apr22
Scale, juniper

 18Sep07
Scale, lecanium

22Jun03 (on Taxus), 22May06 
21Jun04, 21May28, 21May21, 21May14, 21May07 
20Dec11, 20Jun19, 20Jun12, 20May29, 20May22, 20May15, 20May08
19Oct18, 19Jun07, 19May10

18Jun15, 18Jun01, 18May25
17Sep15, 17Jun02, 17Apr21
16Jul08, 16Jun03 (oak), 16May27 (oak)
Scale, magnolia 16Sep30
Scale, Maskell

22Apr08 
20May08, 20Apr24, 20Apr17
18Aug31, 18Jun01

17May19

16Aug12, 16May06
Scale, minute cypress 22May27 
21May21 
20Jun12, 20May15, 20May08
19Apr26
18Sep07
Scale, obscure

20May15, 20May08
19Aug02, 19Jun28

18May11
17Apr21
16Apr15 (a fungus that feeds on the scale)
Scale, oystershell 19Sep13, 19Apr26
18May18, 18Apr20
Scale, pine needle

22May13, 22Apr08 
20May15
19May03

18Jun01
17Jul14, 17May19, 17Apr28
16Jul15, 16Jul08, 16May06, 16Apr29, 16Apr15
Scale, prunicola 18May25
Scale, (Pulvinaria spp.) 22Jun03   
21May21 (on hibiscus)
16May27
Scale, Pulvinaria innumerabilis 22Sep30
Scale, Putnam 21Jul23 (on blueberry)
Scale, San Jose 22Aug26, 22Jul15   
21Oct29, 21Sep17 
20Jun19, 20May08
19Sep06, 19Aug23, 19Aug02, 19Jun28
18Aug31, 18May25, 18May18
Scale, tea 22May06, 22Apr22, 22Apr01 
20Jun12
19Oct04, 19Sep06, 19Jul19, 19May24
Scale, tuliptree (and magnolia) 22Sep16, 22Sep09, 22Aug26, 22Apr15 
21Sep17, 21Sep10, 21Sep03, 21Jul16, 21May07, 21Apr23
20Oct30, 20Sep18, 20Sep11, 20Aug14, 20Jul24
19Sep26, 19Sep13, 19Aug16, 19Apr26
18Sep14, 18Jul20, 18Jun29
17Sep15, 17Sep01, 17Aug04, 17Mar31
16Sep30 (wasp feeding on scale), 16Aug19
Scale, white prunicola

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
17Sep29, 17Sep15, 17Sep01, 17Jul21, 17Apr21, 17Mar31
16Sep16, 16Aug19, 16Jul08
Scale, winged euonymus 16Sep02
Slugs 22Jul15 (predators)
17Sep29, 17Sep01, 17Jun02
Snails 17Jun02
Spiders*

18Oct26, 18Sep14

17Sep01

16Sep02, 16Aug19, 15Sep25, 15Sep25, 15Aug14
Spider, Argiope*

19Aug09

18Aug31
Spider, black widow 22May06
Spider, crab* 20Sep18
16Sep02
Spider, funnel* 20Oct02
Spider, Jorō 22Apr01
Spider, jumping* 22Aug26 
19Nov01
Spider, orb* 21Sep17, 20Oct30
18Oct12
Spider, spined orbweaver* 20Jul31
Spider, spotted orbweaver* 22Oct14
Spider, wolf*

21Oct15 
18May18

17Oct13
Spittlebug

21Jun18 
19Jun07

18Jun01
17May19, 17Apr21
16Jun03, 16May20
Stonefly, giant 17Apr28
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Termites

20May22 (swarming)
19May10

18May11
17Jun02
Thrips 21Jun11 (vegetables)
17Jun16
Thrips, banded 16Jun17
Thrips, predatory* 18Sep28
Ticks

22Apr22  
21May21, 21May14  
20Nov13 (and fleas), 20Jun12 (lonestar tick), 20May08
19May17

18Jul06 (longhorned), 18Jun01
17May05, 17Apr28
16Apr15
Treehopper 17Oct13
Treehopper, oak 20May29
Treehopper, two-marked 22Sep30  
21Oct29, 20Sep25
Twig pruners 18Jul06
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Walkingsticks

22Sep02  
19Aug30

18Sep21
Wasp, braconid wasp* 20May15 (aphid parasitoids)
16Sep09 (hypoxlon canker on bark-stress indicator), 16Aug26, 16Aug12
Wasp, cicada killer*

17Jul21, 17Jun30

16Aug26, 16Jul29
Wasp, cuckoo 20Jun19
Wasp, cynipid gall* 18Sep21
Wasp, four-toothed mason* 20Aug14
Wasp, great golden digger 20Jul24
Wasp, horntail* 19Sep13
Wasp, Ichneumon*

22Sep16, 22Sep09, 22Aug12  
19Oct11

18Jul27
17Mar17
Wasp, mud dauber 20Jun19 (a new invasive found in Colorado and Quebec)
Wasp, mymarid* 21Jun04, 21Apr30 (lace bug predator)
16Jun10
Wasp, paper (Polistes sp.) 21Aug13 (and fall webworms)
20May08
19Aug23
18Jul27
Wasp, parasitic

22Sep09 (hornworm) 

21Sep17 (of scale insects), 21May07 (parasitoids of aphids)
18Sep21, 18Aug31

17Aug18, 17Aug04, 17Jul21
17May05 (parasitoid of EAB eggs)

16Jul29
Wasp, sand 20Aug07, 20Jul31
Wasp, scoliid (digger wasp or blue-winged wasp)*

22Sep02, 22Aug05  
21Oct01 
19Aug16

18Sep07, 18Aug31, 18Aug03, 18Jul27
17Aug11
16Aug19
Wasp, thread-waisted (Eremnophila)

17Oct13

16Sep09
Wasp, Tiphia sp. 20Jul17
Wasp, yellowjacket 16Aug26
Webworm, ailanthus 18Oct05
Webworm, Asimina (paw paw) 22Aug26  
21Jul16 
19Sep06
Webworm, barberry

17Aug25

16Sep09
Webworm, fall

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
17Aug18, 17Jul21, 17Jun30, 17Jun16
16Aug26, 16Jul29, 16Jul15
Webworm, Juniper 21Aug13
Webworm, mimosa

20Sep11
18Aug31

17Jul28
Weevil, plum curculio

22Apr22, 22Apr15, 22Apr08  
21Apr09

19Apr26

18May04
17Apr28
Weevil, twobanded Japanese 20Aug07
17Jun30
Weevil, white pine

22Jun03, 22Mar25 
21May07 
20May15, 20Apr10, 20Mar20

19Jun14
18Jun08
17Apr21
16Jun10, 16Apr08
Weevil, yellow poplar 22Aug05
Whitefly, mulberry 19May17
18May04
Winter survival of insects 22Oct28