| 5492640 |
eastern tiger swallowtail |
Papilio glaucus |
eastern tiger swallowtail (Papilio glaucus) on flowering bush honeysuckle (Diervilla lonicera); June 16, 2012 |
| 5451457 |
ambermarked birch leafminer |
Profenusa thomsoni |
|
| 5474329 |
fritillary |
Speyeria spp. |
cylindric blazing star with Aphrodite Fritillary butterfly - Speyeria aphrodite |
| 5474328 |
fritillary |
Speyeria spp. |
cylindric blazing star with Aphrodite Fritillary butterfly - Speyeria aphrodite |
| 5473702 |
American lady |
Vanessa virginiensis |
American lady butterfly caterpillar on pearly everlasting (Anaphalis margaritacea) - its host plant |
| 5473703 |
American lady |
Vanessa virginiensis |
American lady butterfly caterpillar on pearly everlasting (Anaphalis margaritacea) - its host plant |
| 5473590 |
Eastern comma |
Polygonia comma |
black form eastern comma butterfly (Polygonia comma) |
| 5443507 |
monarch butterfly |
Danaus plexippus |
monarch adult and larva on milkweed in perennial garden |
| 0177055 |
tuber flea beetle |
Epitrix tuberis |
Potato tuber with darkened superficial channels due to larvae |
| 1382002 |
red-humped oakworm moth |
Symmerista canicosta |
defoliation at Kasshabog Lake, Bancroft District, Ontario in summer 2004 |
| 5445617 |
elm spanworm |
Ennomos subsignaria |
|
| 5445618 |
elm spanworm |
Ennomos subsignaria |
defoliation |
| 5445619 |
elm spanworm |
Ennomos subsignaria |
defoliation |
| 5445620 |
elm spanworm |
Ennomos subsignaria |
defoliation |
| 5445621 |
elm spanworm |
Ennomos subsignaria |
|
| 5445622 |
elm spanworm |
Ennomos subsignaria |
|
| 5445623 |
elm spanworm |
Ennomos subsignaria |
late instar |
| 5445624 |
elm spanworm |
Ennomos subsignaria |
late instars |
| 5445625 |
elm spanworm |
Ennomos subsignaria |
late instars |
| 5445626 |
elm spanworm |
Ennomos subsignaria |
ovipositing |
| 5445627 |
elm spanworm |
Ennomos subsignaria |
|
| 5445588 |
Douglas-fir needle midge |
Contarinia pseudotsugae |
Needle galls showing chlorosis and swelling due to gall midge infestation |
| 5445589 |
Douglas-fir needle midge |
Contarinia pseudotsugae |
Midge larva is visible when needle is broken open at the gall |
| 5445602 |
pine needle sheathminer |
Zelleria haimbachi |
Cluster of needles killed by sheathminer, but retained in needle sheaths |
| 5445991 |
Japanese beetle |
Popillia japonica |
Japanese beetles (Popillia japonica) on elm leaf (Ulmus spp.) |
| 0177073 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Single tree defoliation. |
| 0177053 |
tuber flea beetle |
Epitrix tuberis |
|
| 0021097 |
golden loosestrife beetle |
Galerucella pusilla |
|
| 0021098 |
golden loosestrife beetle |
Galerucella pusilla |
|
| 0022078 |
black-margined loosestrife beetle |
Galerucella calmariensis |
|
| 0022081 |
golden loosestrife beetle |
Galerucella pusilla |
|
| 0022076 |
golden loosestrife beetle |
Galerucella pusilla |
|
| 0022077 |
black-margined loosestrife beetle |
Galerucella calmariensis |
|
| 0177056 |
tuber flea beetle |
Epitrix tuberis |
Close up of potato tuber with dark suberized markings, corresponding to the end of tunnels due to larvae |
| 0177057 |
tuber flea beetle |
Epitrix tuberis |
Potato tuber in longitudinal section, showing tunnels due to larvae |
| 0177070 |
western blackheaded budworm |
Acleris gloverana |
Stand defoliation. |
| 0177092 |
large aspen tortrix |
Choristoneura conflictana |
|
| 0177068 |
western blackheaded budworm |
Acleris gloverana |
Single tree defoliation |
| 1382001 |
red-humped oakworm moth |
Symmerista canicosta |
summer 2004 |
| 0177054 |
tuber flea beetle |
Epitrix tuberis |
Potato tuber showing a heavy darkened superficial channel due to larvae |
| 0656060 |
western blackheaded budworm |
Acleris gloverana |
Larva of western black-headed budworm (Acleris gloverana), on unidentified host plant. Black and white image |
| 0656061 |
western blackheaded budworm |
Acleris gloverana |
Adult of western black-headed budworm (Acleris gloverana), on unidentified host plant. Black and white image |
| 0177093 |
spruce budworm |
Choristoneura fumiferana |
Borden Township, 9 acres of defoliation |
| 1382003 |
red-humped oakworm moth |
Symmerista canicosta |
defoliation at Kasshabog Lake, Bancroft District, Ontario in summer 2004 |
| 2102094 |
pear leaf blister moth |
Leucoptera malifoliella |
|
| 2102095 |
pear leaf blister moth |
Leucoptera malifoliella |
|
| 2102093 |
pear leaf blister moth |
Leucoptera malifoliella |
|
| 0177074 |
eastern blackheaded budworm |
Acleris variana |
|
| 0177069 |
western blackheaded budworm |
Acleris gloverana |
Stand defoliation |
| 0177071 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Defoliation from the previous year. |
| 0177072 |
Douglas-fir tussock moth |
Orgyia pseudotsugata |
Defoliation from the current year. |
| 0177051 |
tuber flea beetle |
Epitrix tuberis |
|
| 0177052 |
tuber flea beetle |
Epitrix tuberis |
|
