Insect Index 2016 - 2021 - 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

21Jan15

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

Adelgid, pine bark

21Oct29, 21Jun04, 21Apr23 
20Apr24, 20Apr03
18May04
16Apr29

Ants, as disruptors of biocontrol 19May03
Ants, as predators* 19Apr26
Ant, citronella, citrus, yellow or lemon 17Apr21
Ant, fire 18May11
Ant, velvet (a wasp)* 20Aug28
17Aug18
Antlion* 19Jul26
Aphids

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 21Sep03 
20Nov24 (and "weird" sooty mold), 20Oct23
Aphid, cherry 18Jun01
Aphid, crapemyrtle

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 20Sep18, 20Jun26
19Aug30, 19Aug23
17Aug18
Aphid, rose 18Apr20
17Apr14
Aphid, rosy apple 16Apr15
Aphid, spiny witchhazel gall

21Apr23 

20Apr10
18May04
17Apr21
16Jul01, 16Apr22

Aphid, spirea 20May08
19May10
Aphid, tuliptree

20Oct23
19Jun14

17Jun16

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

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

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*

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* 20Mar20
19May10
Bee, solitary* 19Apr05
Bee, sweat* 21Jul09
Beetle, ambrosia

21Oct15, 21Sep24, 21Aug27, 21Jul09, 21Jun25, 21Jun18, 21Jun11, 21May28, 21May2121May14, 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 20Aug07
18Jul13
Beetle, Fiery searcher* (Predator) 19Apr12
17Apr21
Beetle, flower longhorn 19Jul26
17Jun30
Beetle, golden tortoise 17Jun09
Beetle, green June

19Jul12

18Jun29
17July07
16Jul08

Beetle, ground (predator)* 20Oct02
16Oct14
Beetle, hercules 21Jul16 
19Jul26, 19Jun28
16Oct21
Beetle, imported willow leaf 20May29
16Apr08
Beetle, Japanese

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)

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, 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) 21Jun11 
18Oct12, 18Apr13
Beetle, viburnum leaf 19Sep13, 19Jun28
18May11
17Jun23, 17Jun16, 17May12
Beetle, willow leaf 19Apr26
16May20
Beneficial insects* 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 18May25
Borer, emerald ash

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

20Jun19
18May25

17Apr28

16Jun10, 16Jun03, 16May27, 16Apr29

Borer, locust

17Sep29

16Sep30

Borer, longhorned 17Jul14
Borer, main peachtree

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

18Jul13, 18Jun22
17Jul14
16Jul01

Borer, maple petiole

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 21Apr23 
20Apr17
16Aug12, 16May13
Bug, assassin (predator)

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 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, brown marmorated stink

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

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 20Oct16
16Aug12
Bug, honeylocust plant

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

17Apr28

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

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*

19Sep20

17Sep29

Bug, oak lace 21May21 
20Sep04, 20Jun26
19Aug16
Bug, phlox plant 17Jun02
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, 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 21Sep03, 21Aug2721Aug20
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)

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, cutworm 20Oct23
Caterpillar, Eastern tent

21Apr30, 21Apr23 

20Apr17, 20Apr10
19May17, 19May03

17Apr21, 17Apr07, 17Mar31, 17Mar17 (egg hatch)
16Jun10, 16May13, 16Apr22, 16Apr01, 16Mar25, 16Mar18

Caterpillar, euonymus 20May22
19May10
17May05
Caterpillar, euonymus leaf-notcher (Pryeria sinica)

21May07 
20Apr10
19May10

17Mar17
16Apr22, 16Apr08

Caterpillar, fall armyworms 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 18Sep28
Caterpillar, hibiscus leaf moth 20Sep11
Caterpillar, hickory tussock moth 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, luna moth 17Sep01
Caterpillar, monarch

19Aug30, 19May17

18Jul06
17Sep01
16Sep02 (feeding on honeyvine milkweed - Cynanchum laeve)

Caterpillar, orangestriped oakworm

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) 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

19Aug09

16Aug19, 16Aug12

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, 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 18Jun15
Caterpillar, woolly bear 17Aug18
Caterpillar, yellow bear 19Jun28
Caterpillar, yellownecked

21Sep17
18Jul27

Centipedes

20Apr03

Cicada, dog day (annual)

21Aug27
20Aug28, 20Jul24
19May10

18Aug31

Cicada, periodical

21Apr09

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

17Jun09, 17Jun02, 17May26, 17May19

Cicada, periodical (Brood X 17-year emergence)

21Jul16, 21Jul02, 21Jun25, 21Jun18, 21Jun11, 21Jun04, 21May28, 21May21 (activity and predators), 21May14, 21May10, 21May07, 21Apr30, 21Apr2321Apr16, 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 20Jun12, 20May29
17Jun30
Dragonfly (predator)* 19Sep26, 19Sep20 (swarms), 19Sep13 (swarms), 19Jun21
Dustywings* (predator)

17May26

16Jun03

E
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Earwigs 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) 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

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, pinecone oak (an unusual gall on oak that looks like distorted acorns, caused by a cynipid wasp) 21Sep10
20Oct09, 20Aug14
19Aug30
Gall, bald cypress twig 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, 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 21May07, 20Aug14
16Oct14
Hornet, European

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

18Oct05
17Oct13, 17Sep15, 17Aug18

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

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

Leafhopper, honeylocust 21May28
Leafhopper, potato

21Jun04, 21May28, 20Jun05, 20May29
19Aug02, 19Jun14, 19May17
18Jun01
17Jun16, 17May26
16Jun03

Leafminer 21Jun25 (arborvitae)
16Oct28
Leafminer, allium

21Sep10, 21May14, 21Apr16
20May01, 20Apr03
19May17
17Sep29

Leafminer, birch 16May06
Leafminer, boxwood

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, spinach 18May25
M
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Maggots, seed 20May22, 20Apr10
Mantid, praying*

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
Midge, predatory* 19Sep26
Midge, chokecherry gall 21Aug13
Midge, rose

19Jun21

17Jun30, 17May05
16Sep16, 16Aug12

Millipedes 20Apr10
16Jun17
Mite activity (impact of hot weather) 21Jul23, 21Jul16, 21Jun11
17July07
Mite, boxwood

20Jun26, 20Jun19
18Apr27, 18Apr20

17Apr21, 17Apr07, 17Mar24

Mite, broad 20Jun12 (on cranberries)
Mite, citrus 20Oct02
Mite, eriophyid

19May10 (on black gum)

18May25
17May19

Mite, honeylocust spider 17May05
Mite, hornbeam 17Jun30
Mite, maple 19Aug02
Mite, oak itch 21Aug13
Mite, oak spider 19Aug02
Mite, pearleaf blister 19May17
18Jun08
Mite, predatory*

20Mar27

19May10

18Jul27 (spider mite control)
16Sep16

Mite, Southern red

18May11

17Aug18, 17May19

Mite, spider

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

17Jun09 (azaleas)

16Jun03 (roses)

Mite, spruce spider

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
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, gypsy (includes reports of caterpillars and adults)

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 21May21, 21May14
16Jun17
Moth, pine tip 19Jun21
Moth, plastic-eating

18Sep21

17Apr28 (larvae)

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 19Aug02
Pollinators 16Oct07 (many found in right-of-way), 16Sep23
Psyllid, boxwood 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

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

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

20Sep18, 20Sep11
17Jun16

16Sep16, 16Jul29

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

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

18Oct05
16Sep23, 16Jun24

Sawfly, rose slug (various species) 20May01
19Apr26
18May11, 18May04
17Jun09, 17May12, 17Apr21, 17Apr14
16Sep09, 16May20, 16Apr29, 16Apr08
Sawfly, white pine

17Oct13

16Jun24

Sawfly, willow 19Jun14
18May18
Scale insects

21Sep24

20Aug07 (and a fungus), 20Mar05 (an armored scale on Acorus gramineus 'Variegatus')

Scale, azalea bark 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)

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 21Oct08, 21Sep03, 21Aug27, 21Aug13 
20Sep04, 20Aug28, 20Aug07, 20Apr17, 20Apr10
19Aug30
17Jun23
Scale, cryptomeria

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

17May19

Scale, elongate hemlock 20Apr10
18Sep21, 18Jun08
Scale, euonymus

21Sep17 
20Jun2620May15
19Jun28, 19May17

18Sep14, 18Sep07, 18Jul20, 18Jun15
17Jun30, 17May19
16May06

Scale, European elm 21Jun18 
20Jul17, 20Jul10, 20Jun12, 20May22
Scale, false pit 18Aug31
Scale, felted (Eriococcin) 20Jul24
18Apr27
Scale, fern 21Apr23
20Apr03
19May10
16Aug26
Scale, fletcher

19May24

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

Scale, gloomy

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

18Apr27
16Jun17

Scale, holly pit 21Aug27
Scale, Indian wax

21Oct22, 21Oct01, 21Jun18, 21Apr09

20Mar20

17Sep29, 17Apr14

Scale, Japanese maple

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

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

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

17May19

16Aug12, 16May06

Scale, minute cypress 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

20May15
19May03

18Jun01
17Jul14, 17May19, 17Apr28
16Jul15, 16Jul08, 16May06, 16Apr29, 16Apr15

Scale, prunicola 18May25
Scale, (Pulvinaria spp.) 21May21 (on hibiscus)
16May27
Scale, Putnam 21Jul23 (on blueberry)
Scale, San Jose 21Oct29, 21Sep17 
20Jun19, 20May08
19Sep06, 19Aug23, 19Aug02, 19Jun28
18Aug31, 18May25, 18May18
Scale, tea 20Jun12
19Oct04, 19Sep06, 19Jul19, 19May24
Scale, tuliptree (and magnolia) 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

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 17Sep29, 17Sep01, 17Jun02
Snails 17Jun02
Spiders*

18Oct26, 18Sep14

17Sep01

16Sep02, 16Aug19, 15Sep25, 15Sep25, 15Aug14

Spider, Argiope*

19Aug09

18Aug31

Spider, crab* 20Sep18
16Sep02
Spider, funnel* 20Oct02
Spider, jumping* 19Nov01
Spider, orb* 21Sep17, 20Oct30
18Oct12
Spider, spined orbweaver* 20Jul31
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

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

18Jul06 (longhorned), 18Jun01
17May05, 17Apr28
16Apr15

Treehopper 17Oct13
Treehopper, oak 20May29
Treehopper, two-marked 21Oct29, 20Sep25
Twig pruners 18Jul06
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Walkingsticks

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*

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

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)*

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) 21Jul16 
19Sep06
Webworm, barberry

17Aug25

16Sep09

Webworm, fall

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

21Apr09

19Apr26

18May04
17Apr28

Weevil, twobanded Japanese 20Aug07
17Jun30
Weevil, white pine

21May07 
20May15, 20Apr10, 20Mar20

19Jun14
18Jun08
17Apr21
16Jun10, 16Apr08

Whitefly, mulberry 19May17
18May04