University of Maryland Extension

Insect Index

Landscape and Nursery IPM Reports:

Index for 2011-2019:
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 I J K L M N O P Q R S T U V W X Y Z

Adelgid, hemlock woolly

19Jun28
18Apr27
17Apr1417Apr07
16Oct14, 16Jul15, 16Jun03, 16Apr22
15Aug21

13Aug30
, 13Apr12
12Apr06
, 12Mar09
11May13
, 11Apr22, 11Mar18

Adelgid, pine bark

18May04
16Apr29
15Apr24

11May27
, 11Apr22

Ants, as disruptors of biocontrol19May03
Ants, as predators19Apr26
Ant, carpenter 11May06
Ant, citronella, citrus, yellow or lemon

17Apr21

12Mar16

Ant, fire

18May11

Ant, velvet (a wasp)

17Aug18

14Oct03
11Jul22

Antlion

19Jul26
16Sep16

Aphid

19Aug16, 19Jun28 (and beneficials), 19May24 (and beneficials), 19Apr26 (elms)
18May04

17Aug11 (on holly), 17July07 (on tomato), 17Jun1617May26, 17May12, 17Apr28, 17Apr1417Mar24

16Jul08 (predators). 16Jun10, 16May20 (beneficial of the week), 16May13 (and predators), 16Apr22, 16Mar25 (control on trees)
15Oct23
(mummies)
14May30
(parasitoids)

13Aug09, 13May10, 13May03 (on violas)
12Jun22
, 12May11
12May04
, 12Apr20, 12Apr06, 12Mar30, 12Mar16
11May13
(hawthorn)

Aphid, beech blight15Oct01
14Sep19
, 14Sep12, 14Sep05, 14Aug29
Aphid, cherry

18Jun01

11May06

Aphid, crapemyrtle

19Sep13, 19Aug23, 19May10

18Sep1418May18
17Sep2917Jul2117Jun2317Jun1617May05
16Jul15
15Sep25
, 15Sep25, 15Jul02
14Sep25
, 14Aug01
13Sep13, 13Sep06
11Oct21

Aphid, giant bark

19Jun07

17Oct13
14Sep19
12May11

Aphid, hellebore (and entomopathogenic fungus)

16Jul08

Aphid, lily

17Jun16

Aphid, melon11May13
Aphid, oleander

19Aug30, 19Aug23
17Aug18
11Sep23, 11Sep09

Aphid, rose

18Apr20
17Apr14

Aphid, rosy apple16Apr15
Aphid, spiny witch-hazel gall

18May04

17Apr21

16Jul01, 16Apr22
15Jun19
, 15May 01
14Aug15
, 14May02
13May24, 13Apr26
12May18

11May20
, 11Apr22

Aphid, spirea19May10
11May13
Aphid, tuliptree

19Jun14

17Jun16
12Jul06

Aphid, white pine

18Jun15

14Oct24
13Oct18

Aphid, woolly

19Apr26 (hawthorn)
18May04
 (hawthorn)

16Apr22 (hawthorn)
15May 01

14May16

12Sep14
11Sep09

Aphid, woolly alder

19Oct25, 19Oct11
15Oct09

Aphid, woolly apple

19Aug30

18Aug31
17Jul14
16Oct21, 16Oct07
12Aug10

Aphid, woolly beech16Oct07
12Sep07
Aphid, woolly elm

18May2518May11

Arthropods and their benefits16Mar18
15Mar20
B (back to top)
 
Bagworm

19Sep20, 19Jun28, 19Jun21, 19Jun14

18Aug3118Jul1318Jun2218May25
17Aug2517Jul2817Jul1417Jun3017Jun2317Jun1617Jun0917Jun02, 17Mar24
16Aug19 (roses), 16Jul15, 16Jun17, 16Jun10, 16Jun03
15Jul10
, 15Jun19, 15Jun12, 15Jun05, 15May29
14Aug22
, 14Aug08, 14Aug01, 14Jul18, 14Jun20, 14Jun13, 14May23, 13Sep13, 13Aug30, 13Aug23, 13Jul26 (and look-a-like, Zamopsyche commentella), 13Jul19, 13Jul05, 13Jun21, 13Jun14, 13May31, 13May24
12Aug24
, 12Aug03, 12Jul27, 12Jul20, 12Jul13, 12Jun22, 12May25, 12May11
11Jul15
, 11Jun10, 11May27, 11May20, 11May13

Barklice

19Sep13, 19Jul12

18Sep2118Jun29
15Jun26
14Sep25
, 14Jun27

Bee, black and gold

19Jul12

Bee, bumble

17Mar31

Bee, carpenter

17Sep15 (beneficial)

16Apr01
14May02

13May10, 13May03

Bee, Eastern carpenter* (beneficial)

17Apr14

Bee, giant resin

16Jul22, 16Jul15

Bee, green

16Aug12

Bee, ground nesting

18May11

17Apr21

16Apr08

Bee, honey (a potential biological control for varroa mite)14Aug15
Bee, leafcutter

19Aug30, 19Jun07

18May25
14Oct24
13Jun07

Bee, mason16Mar25
Bee, mining19May10
12Mar30
, 11Apr08
Bee, solitary

19Apr05

Bee, zombie (not in Maryland)

14Aug08

Beetle, ambrosia

19Sep06, 19Aug30, 19Aug23, 19Jul26, 19Jul19, 19Jun07, 19May17, 19May03, 19Apr26, 19Apr12, 19Apr05

18Oct1218Sep2818Sep1418Aug3118Aug0318Jul2718Jun2218Jun0818Jun01
18May25, 18May1818May1118May0418Apr2718Apr2018Apr13
17Aug1117May26, 17May19, 17May05, 17Apr28, 17Apr2117Apr1417Apr0717Mar3117Mar17
16Sep16
, 16Sep09, 16Aug12, 16Jul22, 16Jun10, 16Jun03, 16May20, 16May13, 16May06, 16Apr29, 16Apr22, 16Apr15, 16Apr08, 16Apr01, 16Mar25
15Jul10
, 15May22, 15May08, 15Apr24, 15Apr17, 15Apr10, 15Mar20
14Aug15
, 14Aug08, 14Jul11, 14May30, 14May23, 14May16, 14May09, 14Apr25, 14Apr18, 14Apr11, 14Apr04
13Aug30, 13Aug02, 13Jul19, 13Jun07, 13May24, 13May17, 13May03, 13Apr19, 13Apr12, 13Apr05
12Aug03
, 12Apr06, 12Mar30, 12Mar16
11Sep16
, 11Sep02, 11Jun03, 11May20, 11May13, 11May06, 11Apr29, 11Apr22, 11Apr15, 11Apr01, 11Mar18

Beetle, Asian longhorned12Jun15, 12Apr06
11Jun24
(Ohio)
Beetle, Ant-mimic Longhorned 17Apr14
Beetle, asparagus11May06
Beetle, bark15May29 (cedar)
12Jun22
Beetle, big eyed click (predator)13Jun07
11Jul08
Beetle, blister

19Aug16
18Sep21
17May12, 17Apr21
15Apr10
12Jul27

Beetle, bombardier*

18Jul06

Beetle, broadnecked root borer11Jul01
Beetle, buprestrid15Apr24
14Aug08
Beetle, burying17Apr21
Beetle, camphor19Sep20
Beetle, carrion

18Sep21

15Aug21

Beetle, checkered19Oct18
13May10
Beetle, click

18Jun15

16Jun24
15Jul24

Beetle, cucumber11May27
Beetle, elm bark14Oct10
Beetle, elm leaf

18Jul13

11Aug12

Beetle, Fiery searcher* (Predator)19Apr12
17Apr21
Beetle, flea13Jun14
12Sep14, 12Jun08
11Jun10
, 11May13
Beetle, Flower longhorn19Jul26
17Jun30

Beetle, Golden tortoise17Jun09
Beetle, green June

19Jul12

18Jun29
17July07
16Jul08
15Sep25
14Jul11

13Jul05, 13Jun28
12Jul13
, 12Jul06, 12Jun29
11Jul22
, 11Jul08

Beetle, ground (predator)*

16Oct14
14Apr25

12Oct12

Beetle, hercules

19Jul26, 19Jun28
16Oct21
14Aug29

13Sep13

Beetle, imported willow leaf

16Apr08
14May16

13Apr19
11Apr22

Beetle, Japanese

19Jul12, 19Jun21, 19Jun14

18Jul2718Jul1318Jul0618Jun2918Jun2218Jun1518Jun08
17Jul1417July0717Jun3017Jun2317Jun16
16Jul15, 16Jul08, 16Jul01, 16Jun24, 16Jun17
15Aug07
(biological control), 15Jul31, 15Jul17, 15Jul10, 15Jul02, 15Jun26 (natural enemies), 15Jun26, 15Jun19, 15May29, 15May08
14Oct03
, 14Aug22, 14Aug01, 14Jul18, 14Jul11, 14Jul03, 14Jun27, 14Jun20, 14Jun06
13Jul26, 13Jul19, 13Jul05, 13Jun28, 13Jun21, 13Jun07, 13May17, 13Apr26
12Aug03
, 12Jul27, 12Jul20, 12Jul13, 12Jul06, 12Jun29, 12Jun15, 12Jun08
11Jul08
, 11Jul01, 11Jun24, 11Jun17

Beetle, lady bird*
(predator)

19Jul12

18Jun1518Jun0818Jun01
16May27 (Hyperaspis)
15Oct30
, 15Sep25
14Oct30
, 14Apr04
13Aug09
, 13May10
12Jun15
, 12May25
11Jul01

Beetle, lady bird - spider mite destroyer*

17May19

16Sep16

Beetle, lady bird* (fungus eating species)15Oct01
Beetle, yellow tipped lady bird*16Jul01
Beetle, larger elm leaf15Jul02
Beetle, lightening bug (firefly)15Jun19
Beetle, lily leaf13Sep27 (found in PA)
Beetle, multi-colored Asian lady19Oct25
18Oct05
Beetle, oriental

16Jun24
14Jun20

12Aug10, 12Jun08, 12Jun01

Beetle, pleasing fungus (feeds on woody bracket fungi)

17Apr28

15May 01
14Aug22

Beetle, plum curculio15May 01, 15Apr24
Beetle, redheaded flea

19May10

18May25
15Sep18

Beetle, red-legged Buprestis

19Jul19

Beetle, red milkweed15Jun19
Beetle, rove*

18Jul20

13Oct04

Beetle, sawyer13May24
Beetle, scarab

18Jul06

17Apr07

15Jul02, 15Jun12
13Jul05
12Aug24
, 12Aug03, 12Jun22
11Jun03

Beetle, six spotted green metallic* (predator)

18Apr27

16Jun03, 16Apr01
15Apr24

14May23
, 14May16
12Mar30
11Jun24
, 11Apr29

Beetle, soldier

16Oct21 (larva)
14Sep25
(larva)
13Sep20 (larva=velvet worms), 13Jul05

Beetle, southern and mountain

15Aug14

Beetle, stag

19Jul19

Beetle, tooth-necked fungus* (predator)

17May19

Beetle, tortoise(aka gold bug)15Jun12, 15May29
13May31
11Jun24
Beetle, turpentine15May29
11Jun17
Beetle, twice-stabbed* (predator)

18Oct1218Apr13

14Apr04
13Mar29
11Apr08

Beetle, viburnum leaf

19Sep13, 19Jun28
18May11
17Jun2317Jun1617May12
15Apr03, 15Mar27

Beetle, walnut twig (thousand cankers disease vector)12Jun15
Beetle, willow leaf19Apr26
16May20

12Jul06
, 12Jun22, 12Apr13
11Jun17
Beneficial insects*19Aug02 (conserving beneficials - using Silphium perfoliatum, cup plant)
16Nov04
(how insects survive the winter)
15Jul02
(scale control), 15Jun05 (aphid control)
14Mar21
(importance in ecosystem)

11Oct28 (surviving winter)

Borer, banded ash* (beneficial)17Apr07
Borer, banded ash clearwing

17Sep29

15Sep25, 15Sep11, 15Jul17
14Oct03

13Sep20, 13Aug30, 13Aug02
12Aug24
, 12Aug10, 12Jul27
11Sep23
, 11Sep16, 11Aug12

Borer, China fir

18Apr27

Borer, clearwing11Sep02
Borer, dogwood16Sep02
Borer, elder shoot18May25
Borer, emerald ash

19May03

18Jul1318Jun2918Jun2218Jun0818May1818May11
17Jun0917Jun02, 17May26
16Oct07 (spring vs fall treatments), 16Aug26 (egg parasitoid - Oobius agrili), 16Jul15, 16Jun24, 16Jun10
15Aug07
, 15Jul31, 15Jul24, 15Jun26, 15Jun05, 15May29, 15May22, 15May08, 15Apr24, 15Mar27 (treatments)
14Oct17
(found on Chionanthus virginicus), 14Jul11, 14Jul03, 14Jun20, 14May16 (source for Azatin and MDA map), 14May09 (using Azatin), 14Apr25
13Oct04, 13Jul26 (found in Frederick County), 13Jul05, 13Jun28, 13Jun07 (biological control), 13May24, 13May10, 13May03 and 13Apr26 (control options)
12Aug03
, 12Jun29, 12Jun08 (PREDATORS), 12Jun01 (quarantine change), 12Apr20, 12Apr13 (cost calculator), 12Mar30
11Oct21
, 11Jul15 (quarantine change), 11Jun17, 11Jun10 (found in Howard County), 11May27 (traps), 11May06

Borer, emerald ash (predators and parasitoids)

19Jul19
17Apr28
, 17Apr14
15Oct30, 15Sep18

Borer, flat headed apple tree

18Jul20

16Jul15, 16Mar18
14Aug29

12Aug31

Borer, greater peachtree13Jun07
11Jun03
Borer, honeylocust12Sep14
Borer, iris15Mar20, 15Mar27
13May03
Borer, Japanese cedar longhorned

14May02, 14Apr04
13May17, 13Apr19, 13Mar29
12Oct19
, 12Mar09

Borer, lesser peach tree

16Jun03, 16May27
14May23
, 14May02
12May11
11May27
, 11May20

Borer, lilac/ash

18May25

17Apr28

16Jun10, 16Jun03, 16May27, 16Apr29
15May08

14May02

13May17
12May11
, 12May04
11May13

Borer, locust

17Sep29

16Sep30
15Sep18

Borer, longhorned

17Jul14

Borer, main peachtree

19Jun21

18Jul1318Jun22
17Jul14
16Jul01
15Aug07

14Jul11

Borer, maple petiole

19Sep13, 19Jun14

18May25
17May05

Borer, maple tip16May20
14May30
Borer, peachtree

19Oct25, 19Jul19, 19Jul12, 19Jun28, 19Jun07

18Jul27
17Jun23
15Aug21, 15Jul10, 15May 01, 15Apr24
13Jun21
12Jun01
, 12May25
11Jun10

Borer, persimmon15Oct16
Borer, redheaded ash

17May12

16Jul01, 16Apr29
14Aug22

Borer, red oak16Jun03
Borer, rhododendron12Jun08
Borer, rose cane15Mar27
Borer, squash vine13Jul26
Borer, stalk (Papaipema nebris)16May20 (elderberry)
Borer, twolined chestnut19Jun07
12Oct26
Bored, Unusual surface bark borer18Apr13
Bug, ambush* (predator)14Aug29
Bug, andromeda (pieris) lace16Aug12, 16May13
Bug, assassin (predator)

19Aug23, 19Aug02, 19Jun07

18May2518May18 (hatch)
17July0717Jun09
16Oct28, 16Oct21, 16Jun17, 16Apr29
15Oct23
, 15May22
13Aug02
(feeding on Japanese beetle), 13Jun07, 13May31
12Jun01
, 12Apr13
11May13
(hatch)

Bug, azalea lace

19Apr26
18Apr27
16May20
15Jul24
, 15Apr24
13May10
12May11
, 12Apr20
11Jul08

Bug, azalea plant* (predator)13May24
12May18
, 12May04
Bug, big-eyded* (predator)14May02
Bug, boxelder

17Oct13

16Sep09, 16Mar18
15Jun26
, 15Apr03
14Sep19

13Sep20
11Sep23

Bug, brown marmorated stink

19Oct04, 19Sep20

18Sep2818May1818Apr06
17Sep29
16Oct21, 16Sep23
15Oct09
, 15Jul02, 15Jun26, 15May 01
14Oct10
, 14Oct03, 14Sep05, 14Aug22, 14Aug01, 14Jun20, 14Jun06, 14Apr25
13Oct18, 13Oct04, 13Sep20, 13Aug23, 13Aug09, 13Jul26, 13Jul19, 13Jun21, 13Jun14, 13Jun07, 13May31, 13May24, 13May10, 13May03, 13Apr19, 13Mar22
12Oct26
, 12Oct19, 12Oct05 (also includes report on predators), 12Sep14, 12Sep07, 12Aug31, 12Aug24, 12Aug10 (includes info on egg parasitoids), 12Aug03, 12Jul27, 12Jul20, 12Jun29, 12Jun22, 12Jun15, 12Jun08, 12Jun01, 12May11, 12Apr20, 12Apr13
11Oct21
, 11Sep23, 11Sep16, 11Sep09, 11Sep02, 11Aug26,11Aug0511Jul22, 11Jul15, 11Jun24, 11Jun10 (traps), 11Jun03, 11May27, 11May13, 11May06, 11Apr29, 11Apr15

Bug, brown marmorated stink (native parasitoids)

15Oct09

Bug, brown marmorated stink (exotic parasitoids)

15Oct16

Bug, chrysanthemum lace

14Sep25
11Jun10

Bug, chinch

19Jul26
18Sep07

Bug, damsel

14Jun13

Bug, Florida predator stink

17Oct13

16Jul15

Bug, four-lined plant

19May10

18Jun01
17Jun0917May26
16May20
15May22

14Jun20
, 14May23, 14May16
13May31, 13May17
12Apr13

11May13

Bug, green assassin*

17Jun23

14Aug01

Bug, green stink

18Jul20
17Sep29
11Oct07

Bug, goldenrain tree (or red-shouldered)16Aug12
15Oct01
Bug, harlequin19Sep13, 19Aug16
16Sep23

11Jul15
Bug, hawthorn lace16Aug12
15Jul10

12Jun29

11Sep16
Bug, honeylocust plant

18May11

17Apr28

14May23
13May24
12May11

11May27

Bug, kudzu13Jul05
Bug, lace

19Jul26 (on Tilia tomentosa)
18Oct19
 (resistance to imidicloprid), 18Oct12 (resistance to imidicloprid), 18Jul20 (oaks & lindens), 18Jul13 (sycamore) (azaleas and pieris), 18Jun08

17Sep0117Jun3017May19, 17May05, 17Apr14 (pieris)

16Sep23 (serviceberry)
14Aug15
, 14Aug01 (serviceberry), 14Jul18 (on serviceberry), 14Jul03, 14Jun13 (serviceberry), 14May23, 14May16
11May13

Bug, leaffooted

18Oct0518May25
17Sep01
16Aug26, 16Aug12
13May17
(egg mass)

Bug, linden lace19Jun21 (and lady bird beetles)
14Aug01
Bug, milkweed

19Sep26

17Aug18
15Oct16
14Sep19

11Jul15

Bug, milkweed assassin*

18Aug24

Bug, minute pirate*

19Sep20

17Sep29
15May29
13Jul26

Bug, oak lace19Aug16
11Sep16
Bug, phlox plant 

17Jun02

15May22
12May11

Bug, pieris

19Apr12

Bug. plant*

18Jul13

Bug, scentless plant

17Sep29

Bug, small milkweed (Lygaeus kalmii)16Sep09 (feeding on a monarch caterpillar)
Bug, sow18May25
Bug, spined soldier*

19Aug30, 19Jun07

17Jun09
14May09
13Apr19
11Oct07

Bug, squash13Jul19
Bug, sycamore lace12Aug24
11Jul08
Bug, tarnished plant19Jul26
15Jun19

12Jun22
Bug, two-spotted stink* (predator)14May16
Bug, wheel (assassin)* (predator)

19Sep13
15Sep04

14Oct10
, 14Aug08, 14Jun20, 14May23
12Jun15
11May27

Bug, yucca

18Jun22

17May05

16Sep02

Butterfly, Baltimore checkerspot

16Sep30

Butterfly, eastern tiger swallowtail

16Oct21

Butterfly, giant swallowtail

19Sep20

Butterfly, monarch

19Oct04
17Jun02
13Sep20

Butterfly, mourning cloak

19May24

Butterfly populations13Aug09
Butterfly, variegated fritillary (pupa)17Jun23
C (back to top) 
Cankerworm

16May20
15May 01

14May09
. 14May02
13May10, 13May03
12May11
, 12May04

Carpenterworm

18Jun29

Caterpillars - good or bad?

18Jun08

Caterpillar hunter (fiery searcher)*

15May08

Caterpillar on boxwood (not in US)

17Jul21

Caterpillars on flowers13Jul12
Caterpillar, azalea (Datana sp.)12Aug24
Caterpillar, banded tussock moth14Aug29
Caterpillar, barberry looper16Oct14
Caterpillar, black swallowtail

19Aug30, 19Aug09, 19Jul26
17July07
16Aug12

Caterpillar, brown hooded owlet16Sep09
Caterpillar, Canadian owlet moth19Aug02
Caterpillar, catalpa sphinx (hornworm)

19Sep13, 19Jul19, 19Jun14

18Aug1718Jul2718Jun08
17Sep1517Aug0417Jul2817Jul21
16Sep30
13Aug09
, 13Jul19
12Sep14

11Aug12, 11Aug05, 11Jul01

Caterpillar, cecropia moth19Jul26
13Aug02
Caterpillar, chestnut chizura17Oct13
Caterpillar (Datana sp.) on oak12Sep07
Caterpillar, Douglas fir tussock moth13May24
Caterpillar, Eastern tent

19May17, 19May03

17Apr2117Apr0717Mar3117Mar17 (egg hatch)
16Jun10, 16May13, 16Apr22, 16Apr01, 16Mar25, 16Mar18
15Jun05
, 15May 01, 15Apr24, 15Apr10, 15Apr03
14May23
, 14May09, 14Apr25, 14Apr04
14Mar21 (eggs)
13Aug30
, 13May17, 13May10, 13Apr26, 13Apr12, 13Apr05, 13Mar29
12Mar30
, 12Mar09
11Apr22, 11Apr08, 11Apr01, 11Mar18

Caterpillar, euonymus

19May10

17May05
14May30
124May04

Caterpillar, euonymus leaf-notcher (Pryeria sinica)

19May10

17Mar17
16Apr22, 16Apr08
15Apr24
, 15Apr03
14May23
, 14May16, 14Apr25
13May17, 13Apr05
12Apr06
, 12Mar30, 12Mar09
11May06, 11Mar18

Caterpillar, genista broom moth12Aug24, 12Aug10, 12Jul27 (Baptisia)
Caterpillar, greenstriped19Jun14
14Jun20
Caterpillar, haploa18Sep28
Caterpillar, hickory tussock moth18Jul27
Caterpillar, hooktip moth (Oreta rosea)13May10
Caterpillar, hydrangea leaftier

17Apr28

16Apr29

Caterpillar, imperial moth

19Sep13

18Sep21
13Sep20

Caterpillar, Io moth19Aug02
12Aug31
Caterpillar, leaf-folder19Sep06 (oak), 19Aug30, 19May17
17Jun23
Caterpillar, leafroller

18Oct05

14Jul18 (on witchhazel)
12May04 (witchhazel), 12Mar30 (cherry laurel)

Caterpillar, leopard moth

17Apr21

15May08
11Sep16, 11Apr15

Caterpillar, luna

17Sep01

Caterpillar, milkweed tussock14Sep05
13Aug23, 13Jul26
11Jul15
Caterpillar, monarch

19Aug30, 19May17

18Jul06
17Sep01
16Sep02 (feeding on honeyvine milkweed - Cynanchum laeve)
15Aug21

14Sep12, 14Aug29
13Aug23

Caterpillar, orangestriped oakworm

19Sep13, 19Aug16, 19Aug09, 19Aug02 (fed on by spined solider bug), 19Jul26, 19Jul12

18Aug1718Jul20
17Aug1817Aug0417Jul28
16Aug19, 16Aug12, 16Jul29, 16Jul22
15Sep04
, 15Aug14
14Aug15
, 14Aug01
13Aug30, 13Aug23, 13Aug09, 13Jul26, 13Jul19
12Aug24
, 12Aug10
11Aug26

Caterpillar, paddle dagger moth

18Oct12

13Jul12

Caterpillar, predaceous (Laetilia coccidivora)

18Oct19

15Sep11
13May03
, 13Apr26

Caterpillar, pipevine16Sep09
Caterpillar, pink-striped14Jul11
Caterpillar (Polyphemus)13Jul26
12Sep14
Caterpillar, poplar tentmaker11Jun24
Caterpillar, puss

14Sep19
13Aug30
12Aug31

Caterpillar, redbud leaffolder19Aug23, 19Aug02
15Jun19

14Jul18
Caterpillar, redhumped

19Aug09

16Aug19, 16Aug12
15Sep04
, 15Aug07
13Aug23

Caterpillar, saddleback

18Aug24

17Sep2917Sep0117Aug25

16Aug26, 16Aug19
15Sep11

14Sep05
, 14Aug08, 14Aug01
13Aug09, 13Jun21 (moth)
12Aug31

Caterpillar, saltmarsh13Aug23
Caterpillar, skiff moth

18Sep21

14Oct03

Caterpillar, slug18Aug03
Caterpillar, spiny elm19Aug02
Caterpillar, stalk borer12May18
Caterpillars, stinging19Sep06
Caterpillar, sunflower moth

14Aug08
12Aug31, 12Jul27

Caterpillar, The Asteroid

15Sep11

Caterpillar, tobacco budworm

18Sep21
11Jul01

Caterpillar, tobacco hornworm

19Sep06, 19Jul12
18Jul13
15Jun19
12Sep14

Caterpillar, tortricid

19Aug30 (beech)

Caterpillar, tussock moth

19Sep06, 19Jul26
18Aug17

17Oct13

Caterpillar, variable oakleaf

18Aug03

17July07

Caterpillar, variegated fritllary13Oct25
Caterpillar, walnut19Sep13, 19Aug09
15Aug14

12Jul13
Caterpillar, wavy emerald moth15Jul17
Caterpillar, white-blotched heterocampa16Sep16
Caterpillar, white flannel moth

18Aug31

14Sep05, 13Aug30
12Aug10

Caterpillar, white-lined sphinx16Sep16
Caterpillar, white-marked tussock moth

18Jun15

14Aug22

Caterpillar, woolly bear

17Aug18

14Oct10

Caterpillar, yellow bear19Jun28
13Aug23
Caterpillar, yellownecked

19Sep13, 19Aug09, 19Jul26, 19Jul19, 19Jul12

18Jul27
13Aug30, 13Aug23, 13Jul26
12Aug24
, 12Jul20
11Sep23, 11Jun24

Cicada, dog day (annual)

19May10

18Aug31
14Aug01
13Sep06
12Jul13

11Aug12

Cicada, periodical

18May25

17Jun0917Jun02, 17May26

Cicada, periodical (Brood II)13Jun07, 13May31, 13May24, 13May10, 13Mar29
Cicada, periodical (Brood V)16May27 (western MD and other areas)
Cicada, periodical (Brood VI)17May12
Cicada, periodical (Brood X)17May19
Cicada killers (predators)*

17Jul21

13Sep06, 13Jul12
12Aug24
, 12Jun29
11Jul22

Chiggers19Jul12
13Apr26
12Aug24
Cricket, snowy tree

19Aug30

17Sep15
15Sep25, 15Jul17
14Sep05
, 14Aug01
13Sep20, 13Aug23, 13Apr19
12Sep07

11Jul29

Cricket, tree

19Aug23
18Aug03
12Aug24

Curculio, plum

18May04

17Apr28

D (back to top)

 
Dobsonfly

17Jun30

14Jun13

Dragonfly (predator)*19Sep26, 19Sep20 (swarms), 19Sep13 (swarms), 19Jun21
11May20
Dustywings* (predator)

17May26

16Jun03
14Jul18

E (back to top)

Earwigs

17Jul14 (beneficial)

15Jul31

F (back to top)

 
Fly, bee18May11
Fly, big-headed*17Aug11
Fly, black18Sep28
Fly, crane

18Aug1718Jun08

14May09

Fly, dance16Apr29
Fly, deer14Jun13
Fly, fire

18Jun08*

17Jun16

Fly, golden-backed snipe*15Jun19
Fly, longlegged*

17Aug25

15Jun12
14Jun20

Fly, march

19Sep06

Fly, picture winged

19Oct25

Fly, predator midges16Jul08
Fly, robber*

18Aug17

16Jun24 (bumble bee mimic)
15Sep25
, 15Jul10
13Aug30

Fly, seed corn (maggots)16May06 (how they are killed by a fungus)
Fly, spotted wing drosophila12Jul20
11Oct07, 11Sep02, 11Jul29, 11Jul22
Fly, syrphid (or hover or drone)19Jun07, 19May17
15May 01

12Apr20

11Jun10 (pupal stage)
Fly, tachinid (parasitoids)

19Oct11
18Jun22
12Aug03, 12Apr13 (fringe-legged tachinid fly),

Fly, tiger bee17Jul28
Fungus gnats19Jun21
11Jul01

G (back to top)

Gall

18Jun22 (elm), 18May25 (black gum, elm, oaks), 18May11 (elm)

15Jun19 (linden), 15Jun05 (maple bladdergall mite), (mites, elm), 15May29 (on black tupelo)
13May31
(spindle gall on elm), 13May24 (ash)
12Mar30
(oak)
11Jun03 (elm)

Gall (an unusual gall on oak that looks like distorted acorns, caused by a cynipid wasp)19Aug30
13Aug30
12Sep14

11Sep16
Gall, ash midrib15May08
11Jun03
Gall, bald cypress twig

19Jun14

17Oct1317Jun30
14Aug15
13Aug30, 13Jul19

Gall, cynipid15Oct30 (willow oak), 15May08
11Oct21
Gall, eriophyid mite19Jun07 (on maple)
11May13
(on elm)
Gall, eyespot on maple

14May16
13May17
12May18

11May13

Gall, gouty oak12Sep14
Gall, grape tumid11May20
Gall, hedgehog15Aug21
Gall, hickory leaf15Jul10
Gall, horned oak13Apr19
12May25
Gall, jumping oak18Jun08
Gall, mite18Jul27 (birch)
Gall, nipple17May19
Gall, Norway Spruce

17Apr28, 17Apr21

Gall, oak apple16May20
Gall, oak spangle

15Jun26
14Jul03
,
13Aug30
12May11

Gall, wool sower

14Jun20
13Jun07
12May04
, 12Apr20
11May06

Girdler, twig12Oct05
Grasshoppers13Sep06
11Jul15
Grubs, white

19Sep20

18Aug24
17Oct2717Sep29
16Oct14, 16Apr15 (status in soil profile)
15Aug21
, 15Aug07, 15Jul02, 15May08, 15Apr03 (biocontrol)
14Sep19
, 14Aug22, 14May09, 14May02
13Oct04, 13Sep13, 13Aug23, 13Aug09, 13Aug02, 13Jul12, 13May24
12Oct12

Grubs, white - Predators*

14Jun06

H (back to top)

Harvestmen* (aka daddy longlegs)15Oct16
14Oct17
Hornet, bald-faced16Oct14
Hornet, European

19Oct11, 19Aug30, 19Aug16, 19May03

18Oct05
17Oct1317Sep1517Aug18
15Sep11
12Oct05
, 12Aug31
11Oct14

Hornworm17July07

K

Katydid

19Aug23
17Mar24
 (egg cases)
16Oct07
13Aug02
(a yellow one)

L (back to top)

Lacewing* (predator)

19Jun28
18Apr20
14Apr18

Lanternfly, spotted

19Nov01, 19Oct11, 19Sep20, 19Aug30, 19Aug02, 19Jun21, 19Jun14 (pathogens of lanternfly), 19Jun07, 19May24, 19May17, 19May10, 19May03, 19Apr05
18Nov02
18Oct2618Oct1918Aug1718Jul0618May2518May1818Apr27
17Aug18

Leafhopper

14Sep19 (on hornbeam)
13Sep13, 12Jun08

Leafhopper, potato

19Aug02, 19Jun14, 19May17

18Jun01
17Jun1617May26
16Jun03
15May29
, 15May22, 15May08
14Jul03
, 14Jun13, 14May23
13Jun07, 13May24, 13May10
12May18

11May27

Leafminer16Oct28
12Oct05
(oak)
11Jul22 (report on mums in New York)
Leafminer, allium19May17
17Sep29
Leafminer, birch16May06
11May06
, 11Apr22
Leafminer, boxwood

19May03

18May0418Apr2018Apr13
17Apr1417Mar31
16Aug19, 16Apr22, 16Apr15, 16Apr08, 16Apr01
15May08
, 15May 01, 15Apr17
14Jul11
, 14May09, 14Apr25, 14Apr04
13May10, 13May03, 13Apr19, 13Apr12, 13Mar29, 13Mar22
12Apr20
, 12Apr13, 12Apr06
11May06, 11Apr08

Leafminer, columbine12Jun15, 12May11
Leafminer, daylily

16Jul01
14Jun13

13Apr26, 13Apr19
12Aug03
, 12Jul27, 12May18
11Sep30 (recent find in Maryland)

Leafminer, hawthorn

17May05

16May06
12May04

11Apr29

Leafminer, holly12Apr20 (inkberry)
Leafminer, locust12Apr20
11Jun10, 11May27
Leafminer, magnolia19Aug09
Leafminer, spinach18May25
Leafminer, tupelo15Sep04

M (back to top)

 
Maggot, seed corn11May13 (killed by entomopathogenic fungi)
Mantid, praying*

19Oct18, 19Sep20, 19Sep06 (European mantis), 19Jun21

18Sep0718Aug17
17Sep29
16Oct21, 16Sep23, 16Sep16, 16Apr22
15Oct23

14Oct24
, 14Sep05
13Sep27, 13Aug30, 13Apr12, 13Mar22
12Aug24

11Oct14

Mantisfly

19Sep13

Mayflies15Jun19
14Jun27
Midge, biting (and gnats)11Jul08
Midge, cypress twig gall18Jul13
Midge, predatory19Sep26
Midge, rose

19Jun21

17Jun3017May05
16Sep16, 16Aug12
15Jul31

13May24

Millipedes16Jun17
15Jun12

12Nov02
Mite activity (impact of hot weather)

17July07

15Aug21

Mite, boxwood

18Apr2718Apr20

17Apr2117Apr0717Mar24

15Jun05, 15Apr17
14Apr25

13Oct18, 13May03

Mite, citrus13Oct18
Mite, clover15May29
Mite, eriophyid

19May10 (on black gum)

18May25
17May19
15Jul17 (Echinacea)
11Sep23
(Echinacea)

Mite, honeylocust spider

17May05

11Jul01

Mite, hornbeam17Jun30
Mite, maple19Aug02
Mite, oak spider19Aug02
Mite, pearleaf blister

19May17
18Jun08

13Apr26
12Jun08
, 12Apr20
11Apr22

Mite, predatory*

19May10

18Jul27 (spider mite control)
16Sep16
13Jul19
(spider mite control)

Mite, privet rust

14Jun06
13Jun07

Mite, Southern red

18May11

17Aug1817May19

13May17, 13Mar29
12Jun08

Mite, spider

18Oct19 (impact of rain), 18Aug0318Jul06 (winged euonymus)

17Jun09 (azaleas)

16Jun03 (roses)
13Aug09
, 13Aug02, 13Jul12, 13Apr12
12Jul20
(new material for control), 12Jun29, 12Jun15
11Sep23, 11Jun17

Mite, spruce spider

18Apr2718Apr20

17Apr28, 17Apr07

16Apr01
14Sep25

13Jul12, 13Jun07, 13May17, 13May03, 13Apr26
12Mar09

11Sep02, 11Aug12, 11Jun17, 11May13

Mite, tarsenomid12Jul27
Mite, twospotted spider

17Jul14

16Sep16, 16Sep02, 16Jul29
15Sep11

13Jun28
, 12Jul27, 12Jun01

Mite, velvet14Apr11
Mosquito control

18Oct1218Aug1718Jun22

17Oct1317Sep0117Jul21

16May20
15Aug07
, 15May08
14Sep12
(biological control), 14Aug01

Mosquitoes and Zika virus16May13
Moth, Ailanthus webworm16Sep23
Moth, boxwood/box tree19Mar29
18Oct19
Moth, coddling16Jun17
Moth, giant leopard

18Jul06

13Jul19

Moth, giant silk17Aug25
Moth, gypsy (includes reports of caterpillars and adults)

19Jun21

18Jun01
17Apr14 (hatch)
16Jun17, 16May13 (entomopathogenic fungus for control)
15Jul24
, 15Jun19, 15Jun05, 15May08 (impact of dry weather)
14Aug01
(adult and eggs), 14Jul18 (egg mass), 14Jun13, 14Jun06, 14May30
13Jul19, 13Jun21, 13Jun07, 13Apr26
12Jul20
, 12Jul13
11Aug05, 11Jul01 (caterpillars), 11May13, 11May06, 11Apr29

Moth, hummingbird clearwing16Jul22
13Jul19
12Jul06

11Jul01 (and snowberry clearwing moth)
Moth, imperial12Jul27
Moth, orange-tipped oakworm19Jul19, 18Jul06
Moth, oriental fruit16Jun17
Moth, pandorus sphinx13Jul19
Moth, pine tip19Jun21
Moth, plastic-eating

18Sep21

17Apr28 (larvae)

Moth, regal13Jun14
12Jul20
Myramid*17July07

N (back to top)

Nematodes, entomopathogenic* (beneficial)13Aug23
12Jun22
(controlling white grubs)
11Apr01
Nematodes, foliar18Aug31
Nematodes, pine wood11Aug26

P (back to top)

Parasitoids of caterpillars19Sep13
Parasitoids of insects*12May04
Planthopper19Aug02
11Jun24
Pollinators16Oct07 (many found in right-of-way), 16Sep23
14Apr11
Pollinators, helping with Heptacodium flowers15Sep11
Pollinators, flowering strips in nurseries15Sep25
Pseudoscorpions*13Apr12
Psyllid, boxwood

19May03, 19Apr12
18May11
18May0418Apr2018Apr06
16Apr29, 16Apr22
15May 01

14May16

13May10
12Apr06
, 12Mar30
11Apr22

Pollinator Activity

15May08, 15Apr17

Pollinators, Native plants for

17Mar24

Praying mantid, Chinese

17Mar24 (egg cases)

S (back to top)

Sapsuckers, yellow-bellied

18Oct2618Apr2018Apr13

17Oct2717Oct1317Mar17

Sawfly

18Jul06 (hornbeam), 18Jun15 (creeping jenny)

16Sep30 (contorted filbert), 14Jun13 (roses), 14May30 (roses), 14May23 (roses), 14Mar28
12May04
(creeping jenny)
11May20 (creeping jenny), 11May13 (ash), 11May06 (ash, rose)

Sawfly, azalea13May03
Sawfly, bristly rose

17Jun02

11Jul08

Sawfly, butternut woolyworm

18Sep0718Aug03

16Aug19
15Aug07

Sawfly, columbine11May06
Sawfly, curled roseslug16Aug12
15Aug21

11Aug26
Sawfly, dogwood

19Aug02, 19Jul19

17Aug2517Aug04
14Aug22, 14Jul18
13Aug02, 13Jun28
12Aug03

11Aug05

Sawfly, dusky birch

19Jun28
17Aug11
17May12
14Sep25, 14Sep19, 14Aug08
13Aug09, 13Aug02
12May11

11Oct14

Sawfly, elm

15Jun26

Sawfly, European pine

16Apr29
15Apr17

14May16
, 14Apr11
13May17

Sawfly, hibiscus

17Jun16

16Sep16, 16Jul29
15Jun05

14Jul03
, 14May30
13Jun14
11Jun03

Sawfly, oak slug

17Jul1417Jun16

13Jun21

11Sep16

Sawfly, pear slug13Sep20
Sawfly, scarlet oak16Aug26
15Jul24
Sawfly, slug19Jun28 (on black gum)
13Jun21
(on black gum)
Sawfly, spiny ash19May03
Sawfly, red-headed pine

19Oct25, 19Sep13, 19Jul19, 19Jul12

18Oct05
16Sep23, 16Jun24
15Sep18
, 15Jul02
14Sep19

13Oct04, 13Sep13, 13Jul12
12Aug31
, 12Aug24, 12Jul06
11Jun24

Sawfly, rose slug (various species)

19Apr26
18May11
18May04
17Jun0917May12, 17Apr2117Apr14
16Sep09, 16May20, 16Apr29, 16Apr08
15May22
, 15May08
13May24
11May27

Sawfly, white pine

17Oct13

16Jun24

Sawfly, willow

19Jun14
18May18

Scale and sooty mold14Jul03
Scale and native plants14Aug01
Scale, azalea bark

19Oct04
17Jun02
14May23

Scale, calico

19May24, 19May03

18May2518May1818May04
17Jun02, 17Apr28
16Jun17, 16May20
15May08

14Jun06

13May17
12May04
, 12Apr20
11May20

Scale, cottony camellia (taxus)

19May24, 19May17, 19Apr26
18Jun08
18Jun0118May2518May1818May11
17Jun3017May05, 17Apr21
16Jun10, 16Jun03, 16May20, 16Apr29
15Jun12
, 15May29, 15May08, 15Apr17
14Jun20
, 14Jun06, 14May23, 14May16, 14May09
13Jun21, 13May10
12May18
, 12May04
11Jun24, 11May06, 11Apr29

Scale, cottony cushion13May10
12Apr20
Scale, cottony maple leaf

18Jun08

12May25

Scale, cottony maple

17Mar31
14Jun06
13Jun21, 13May31
12Jun15

11Jul08

Scale, crapemyrtle bark

19Aug30
17Jun23

Scale, cryptomeria

18Aug2418Jun15

17May19

15Jun19, 15May29
14Sep05
, 14Jun13, 14Apr04
13Sep27, 13Aug30, 13Jul26, 13Jun21, 13May03, 13Apr12
11Aug05
, 11Jul22

Scale, elongate hemolock

18Sep2118Jun08

Scale, euonymus

19Jun28, 19May17

18Sep1418Sep0718Jun15
17Jun3017May19
16May06
15Jul31
, 15Jul24, 15Jul10
14Sep19

13Oct25, 13Aug09, 13Jul12, 13May10
12Oct12
, 12Jul13
11Jul29, 11Jul01, 11Jun03, 11May27, 11May20

Scale, European elm15May29
13Jun28
, 13May17
12Apr20

11Jul08, 11May13
Scale, false Florida red (Bifasciculate)13Oct04
Scale, false pit18Aug31
Scale, felted (Eriococcin)

18Apr27

12Apr06 (oak felt scale)

Scale, fern

19May10
16Aug26

15Sep11

14Apr11

13Jul26

Scale, fiorinia

18Sep21

Scale, firebush

18Jul13

Scale, fletcher

19May24

17May26, 17Apr21
16Jun10, 16May27, 16May06
14Jul03

13Aug23
11Jul08

Scale, gloomy

19Apr05

18Apr27
16Jun17
15Jun19

12May11

11Jul01, 11May27

Scale, hemlock elongate (Fiorinia)

18Jul20

15May08
12Oct05
, 12Mar09
11Oct14, 11Aug05, 11May13

Scale, holly pit

14May09
11Sep02

Scale, Indian wax

17Sep2917Apr14

15Oct30
14May09
, 14Apr25, 14Apr04
13Sep20, 13Sep13, 13Jul12, 13Jul05, 13Jun28, 13Jun21, 13Jun14, 13Jun07, 13May31, 13May24, 13May17, 13May10, 13Apr19, 13Mar29, 13Mar22
12Oct05
, 12Sep07
11Jun10, 11Apr08

Scale, Japanese maple

19Jul19, 19Jun14, 19Jun07

18Oct0518Jun15
17Aug0417Jul2817Jun3017Jun02, 17May26, 17May19, 17Mar3117Mar24 (control), 17Mar17
16Sep16, 16Aug12, 16Jun10, 16Jun03, 16Apr22
15Jul31
, 15Jun19, 15Jun12, 15Jun05, 15May29, 15Apr24 (and twice-stabbed lady bird beetles)
14Sep12
, 14Sep05, 14Aug29, 14Aug22, 14Jun20, 14Jun13, 14Jun06, 14Apr04
13Sep06, 13Aug30, 13Aug23, 13Aug09, 13Aug02, 13Jul26, 13Jul19, 13Jul12, 13Jul05, 13Jun28, 13Jun21, 13Jun14, 13Jun07, 13May31, 13May24, 13May17, 13May10, 13May03, 13Apr26, 13Apr19, 13Apr12
12Aug24
, 12Aug10, 12Jun22, 12Jun08, 12Jun01, 12May25, 12May18, 12May11, 12May04, 12Apr20, 12Apr06, 12Mar30
11Sep30, 11Aug26, 11Jun24, 11Jun10, 11May27, 11May13, 11Apr29, 11Apr08, 11Apr01

Scale, juniper

18Sep07

13Jun28, 13Jun21, 13Jun14, 13Jun07, 13May24, 13May17, 13May10
12May18

11Jun03

Scale, latania11Sep02
Scale, lecanium

19Oct18, 19Jun07, 19May10

18Jun1518Jun0118May25
17Sep1517Jun02, 17Apr21
16Jul08, 16Jun03 (oak), 16May27 (oak)
15Jul02
, 15May29, 15May22, 15May08
14Jun20
, 14Jun13, 14Jun06, 14May30, 14May23, 14May16, 14May09
13Jun28, 13Jun07, 13May31, 13May24, 13May17, 13May10, 13May03
12Apr20, 12Mar30, 12Oct26, 12Jun15 (and squirrels), 12Jun08, 12Jun01, 12May11
11May27, 11Jul22

Scale, magnolia16Sep30
13Oct18
12Aug10
, 12Jul27, 12Jul13
Scale, maskell

18Aug3118Jun01

17May19

16Aug12, 16May06
15Jul24
, 15May2215May08
13Jul26
, 13May17
12Nov02
, 12May04
11Jul22

Scale, minute cypress

19Apr26
18Sep07
15Jun12
13Jul05
12May04

11Apr01

Scale, obscure

19Aug02, 19Jun28

18May11
17Apr21
16Apr15 (a fungus that feeds on the scale)
15Jul24
, 15Jul17, 15Jul10, 15May29
11Sep02
, 11Jul01

Scale, oyster shell

19Sep13, 19Apr26
18May18
18Apr20
14May02
12Apr20

Scale, palm11Jul22 (pachysandra)
Scale, pine needle

19May03

18Jun01
17Jul1417May19, 17Apr28
16Jul15, 16Jul08, 16May06, 16Apr29, 16Apr15
15Jul24
, 15Jul17, 15Jun12, 15May08, 15Apr17
14Aug01
, 14Jul18, 14Jul11, 14May30, 14May23, 14May16, 14May09, 14May02, 14Apr04
12Jun22, 12May04
11Apr01

Scale, pine oystershell14Aug01, 14Jul18, 14Jul11, 14Jun06, 14May30, 14May23, 14May16, 14May09, 14Apr25
Scale, prunicola18May25
Scale, (Pulvinaria spp.)16May27
11May27
Scale, San Jose

19Sep06, 19Aug23, 19Aug02, 19Jun28
18Aug31
18May2518May18
15Jun19
14Sep25

13Aug09
12Mar30

11Jul01

Scale, spruce bud11Jul22
Scale, tea19Oct04, 19Sep06, 19Jul19, 19May24
13Oct11
12Aug31

11Apr08
Scale, tulip tree (and magnolia)

19Sep26, 19Sep13, 19Aug16, 19Apr26
18Sep14
18Jul2018Jun29
17Sep1517Sep0117Aug0417Mar31
16Sep30 (wasp feeding on scale), 16Aug19
15Oct09, 15Sep11, 15Sep04, 15Aug14, 15May08, 15Apr17
14Sep25

13Oct18, 13Aug30
12Sep14
, 12May25, 12Apr13, 12Mar30
11Oct07, 11Sep09, 11Aug26

Scale, white peach

14Apr18
13May03
12Oct26
(first official report on peony)
11Apr08

Scale, white prunicola

19Oct18, 19Sep13, 19Aug30, 19Aug02, 19May17

18Jul0618Jun0118May1118Apr27
17Sep2917Sep1517Sep0117Jul2117Apr2117Mar31
16Sep16, 16Aug19, 16Jul08
15Oct16, 15Oct01, 15Aug21, 15Jul17, 15Jul10, 15Jun05
14Oct03
, 14Sep25, 14Sep19, 14Sep12, 14Sep05, 14Aug29, 14Aug22, 14Jul18, 14Jul11, 14Jun06, 14May30, 14May23, 14May16, 14May09
13Sep27, 13Sep20, 13Sep13, 13Sep06, 13Aug30, 13Aug23, 13Aug09, 13Aug02, 13Jul26, 13Jul19, 13Jul12, 13Jul05, 13Jun28, 13Jun21, 13Jun14, 13Jun07, 13May31, 13May24, 13May17, 13May10, 13May03, 13Apr26, 13Apr19, 13Apr12
12Jun29
, 12Apr20
11Jul29, 11Apr08, 11Apr01

Scale, winged euonymus

16Sep02

Slugs

17Sep2917Sep0117Jun02

15Jul10
14Jun13

13Jun14 (also includes biological control)
12May18
(beneficial of the week covers organisms that feed on slugs), 12Apr20

Snails

17Jun02

Spiders*

18Oct2618Sep14

17Sep01

16Sep02, 16Aug19, 15Sep25, 15Sep25, 15Aug14
11Jul15

Spider, argiope*

19Aug09

18Aug31
11Sep16

Spider, black widow*

14Sep19
11Apr22

Spider, crab

16Sep02

Spider, jumping*19Nov01
13Jul12
11Jun24
Spider, orb18Oct12
Spider, wolf*

18May18

17Oct13

13Oct25

Spittlebug

19Jun07

18Jun01
17May19, 17Apr21
16Jun03, 16May20
15Jun05

14May23

13Jun21
12May18

11May27

Stonefly, giant

17Apr28

T (back to top)

Termites

19May10

18May11
17Jun02
14Jun20, 14Apr11
12Sep14

Thrips

17Jun16

12Jul20 (new material for control)

Thrips, banded16Jun17
Thrips, chilli12Aug31
Thrips, predatory*

18Sep28

15Sep04

Ticks

19May17

18Jul06 (longhorned), 18Jun01
17May05, 17Apr28
16Apr15
15Jun12
(new disease), 15Apr10
13Mar29
12Aug31
(new tick vectored disease found in Missouri), 12Jun01, 12May11, 12May04, 12Mar16

Treehopper

17Oct13

Treehopper, two-marked14Aug22, 14Jun13
Twig pruners18Jul06

W (back to top)

Walking sticks

19Aug30

18Sep21
15Oct01
14Oct30

Wasp (Aphidius, Aphelinus)*11Sep30
Wasp, braconid wasp*16Sep09 (hypoxlon canker on bark-stress indicator), 16Aug26, 16Aug12
11Sep02
Wasp, cicada killer

17Jun30

16Aug26, 16Jul29
15Jul31
, 15Jul17

Wasom cynipid gall

18Sep21

Wasp, Dryinid (parasitoid of planthoppers)*13Apr05
Wasps, fall activity15Oct01 (and bees)
14Sep25
Wasp, four-toothed mason14Jul03 (feeds on caterpillars)
Wasp, great black*15Aug14
Wasp, great golden digger15Jul17
Wasp, horntail*19Sep13
15Oct16
Wasp, hunter*

14Jul11
12Sep07

Wasp, Ichneumon*

19Oct11

18Jul27
17Mar17
14Aug01, 14Mar28
13Aug30
11May06
, 11Apr22

Wasp, mymarid*16Jun10
Wasp, paper (Polistes sp.)19Aug23
18Jul27
Wasp, parasitic

18Sep2118Aug31

17Aug1817Aug0417Jul21
17May05 (parasitoid of EAB eggs)

16Jul29
13Jun07

Wasp, sand11Jul22
Wasp, scoliid (digger wasp or blue-winged wasp))*

19Aug16

18Sep0718Aug3118Aug0318Jul27
17Aug11
16Aug19
14Aug22

13Aug23
12Aug24

11Aug26

Wasp, thread-waisted (Eremnophila)

17Oct13

16Sep09

Wasp, tiphia13Aug02 (for grub control)
Wasp, wood15May22
Wasp, yellowjacket16Aug26
15Oct01
Webworm, ailanthus18Oct05
Webworm, Asimina (paw paw)19Sep06
Webworm, barberry

17Aug25

16Sep09

Webworm, fall

19Aug09, 19Aug02, 19Jul26, 19Jul19, 19Jul12, 19Jun07

18Aug2418Aug1718Jul1318Jul0618Jun2218Jun1518Jun01
17Aug1817Jul2117Jun3017Jun16
16Aug26, 16Jul29, 16Jul15
15Aug14
, 15Jul31, 15Jun12
14Aug15
, 14Aug08, 14Aug01, 14Jul03, 14Jun27, 14Jun20
13Sep06, 13Aug30, 13Aug23, 13Aug02, 13Jun28, 13Jun21
12Aug31
, 12Aug10, 12Jul20, 12Jul13, 12Jun08
11Jul29, 11Jun10

Webworm, mimosa

18Aug31

17Jul28

15Jul17
14Jun06

13Sep06, 13Jul19
11Jul01

Weevil, Asiatic oak12May18
11Jul22
Weevil, black vine15May08
13Aug02
Weevil, plum curculio19Apr26
16May13

13May10
12May04

11May13, 11Apr29
Weevil, twobanded Japanese

17Jun30

15Aug14

Weevil, white pine

19Jun14

18Jun08
17Apr21
16Jun10, 16Apr08
15Apr17

14Jun20
, 14Apr18, 14Mar28
13Jun28, 13Mar22
12Jul13
, 12Mar16
11Apr22

Weevil, yellow poplar

15Sep25

Whitefly, mulberry

19May17
18May04

Worms, earth (Amythas spcies which is invasive)

14Aug15

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