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Yellow fairy cups
Yellow fairy cups (Calycina citrina) on rotting log. Rose Tree Park, Media, PA.
Wolf's milk aethalia
Wolf’s milk (Lycogala epidendrum). Swarthmore, PA.
Bald-faced hornet
Bald-faced hornet (Dolichovespula maculata). Overwintering queen. Swarthmore, PA.
Cypress twig gall midge
Cypress twig gall midge (Taxodiomyia cupressiananassa). Swarthmore, PA.
Beech woodwart
Beech woodwart (Hypoxylon fragiforme). Crum Woods, Swarthmore, PA.
Beech woodwart
Beech woodwart (Hypoxylon fragiforme). Crum Woods, Swarthmore, PA.
Tree with beaver damage
Beaver-gnawed tree enclosed in fencing. Crum Woods, Swarthmore, PA.
Downy yellowjacket
Downy yellowjacket (Vespula flavopilosa) on tree trunk. Crum Woods, Swarthmore, PA.
Group of spotted lanternflies
Spotted lanternflies (Lycorma delicatula) on tree trunk. Crum Woods, Swarthmore, PA.
Witch-hazel cone galls
Pair of witch-hazel cone galls (Hormaphis hamamelidis). Crum Woods, Swarthmore, PA.
Northern flattid planthopper
Northern flattid planthopper (Flatormenis proxima). Crum Woods, Swarthmore, PA.
Hornbeam leaf gall midge
Hornbeam leaf gall midge (Dasineura pudibunda). Springfield, PA.
Bathroom moth fly
Bathroom moth fly (Clogmia albipunctata) resting on computer monitor. Swarthmore, PA.
Mulberry leaf spot
Mulberry leaf spot (Cercospora moricola). Springfield, PA.
Oak pea gall wasp
Oak pea gall wasp (Acraspis pezomachoides) on white oak. Hildacy Preserve, Media, PA.
Aceria triplacis gall
Aceria triplacis (formerly Eriophyes triplacis) gall on white oak. Often misidentified as Taphrina caerulescens (an ascomycete fungus). Hildacy Preserve, Media, PA.
Oak pea gall wasp
Oak pea gall wasp (Acraspis pezomachoides) on white oak. Hildacy Preserve, Media, PA.
Ghost spider in retreat
Ghost spider (Anyphaena sp.) in retreat next to cynipid gall. Hildacy Preserve, Media, PA.
Oak skeletonizer moth (Bucculatrix ainsliella) damage
Adaxial surface of oak leaf damaged by oak skeletonizer moth (Bucculatrix ainsliella). Hildacy Preserve, Media, PA.
Oak skeletonizer moth (Bucculatrix ainsliella) cocoon
Cocoon of an oak skeletonizer moth (Bucculatrix ainsliella) on abaxial surface of white oak leaf. Hildacy Preserve, Media, PA.
Cameraria leaf mine
Cameraria sp. leaf mine in white oak. ID tentative. Hildacy Preserve, Media, PA.
Andricus quercusflocci gall
Andricus quercusflocci gall on upper side of white oak leaf. ID tentative. Approximately 6 mm in diameter. Hildacy Preserve, Media, PA.
Large milkweed bug nymph
Large milkweed bug (Oncopeltus fasciatus). Nymph. Hildacy Preserve, Media, PA.
Dotted leaftier larva
Dotted leaftier (Psilocorsis reflexella) caterpillar. ID tentative. Hildacy Preserve, Media, PA.
Dotted leaftier larva
Dotted leaftier (Psilocorsis reflexella) caterpillar. ID tentative. Hildacy Preserve, Media, PA.
Dotted leaftier larva
Beech leaves inhabited by dotted leaftier (Psilocorsis reflexella) caterpillar. ID tentative. Hildacy Preserve, Media, PA.
Dotted leaftier larva
Beech leaves inhabited by dotted leaftier (Psilocorsis reflexella) caterpillar. ID tentative. Hildacy Preserve, Media, PA.
Ancylis platanana
Ancylis platanana caterpillar on American sycamore (Platanus occidentalis). Hildacy Preserve, Media, PA.
Snetsinger's purseweb spider (Atypus snetsingeri)
Tube of Snetsinger’s purseweb spider (Atypus snetsingeri).
Oneseed bur cucumber (Sicyos angulatus) fruit
Spined fruit of oneseed bur cucumber (Sicyos angulatus). Hildacy Preserve, Media, PA.
Eggplant webworm
Eggplant webworm (Rhectocraspeda periusalis) on tomato.
Eggplant webworm
Eggplant webworm (Rhectocraspeda periusalis) on tomato.
Eggplant webworm
Eggplant webworm (Rhectocraspeda periusalis) on tomato.
Scarlet sesbane fruit
Scarlet sesbane (Sesbania punicea) fruit pod. Zolfo Springs, FL.
Graylet moth caterpillar
Graylet moth (Hyperstrotia sp.) larva on scarlet Sesbania (Sesbania punicea). ID tentative. Zolfo Springs, FL.
Eudiagogus maryae
Eudiagogus maryae on scarlet sesbane (Sesbania punicea). Zolfo Springs, FL.
Graylet moth caterpillar
Graylet moth (Hyperstrotia sp.) larva on scarlet Sesbania (Sesbania punicea). ID tentative. Zolfo Springs, FL.
Pale-edged Selenisa
Pale-edged Selenisa (Selenisa sueroides) larva on scarlet sesban (Sesbania punicea).
Zarucco duskywing larva
Caterpillar of Zarucco duskywing (Erynnis zarucco) on scarlet sesban (Sesbania punicea). Zolfo Springs, FL.
Zarucco duskywing larva
Caterpillar of Zarucco duskywing (Erynnis zarucco) on scarlet sesban (Sesbania punicea). Zolfo Springs, FL.
Assembly moth
Assembly moth (Samea ecclesialis) on fern frond. Zolfo Springs, FL.
Splitgill mushrooms
Splitgill mushrooms (Schizophyllum commune) growing on dead tree. Zolfo Springs, FL.
Twice-stabbed lady beetle
Twice-stabbed lady beetle (Genus Chilocorus sp.) Zolfo Springs, FL.
Geranomyia virescens
Geranomyia virescens on tomato leaf. ID tenative. Zolfo Springs, FL.
White-footed leafcutter bee
White-footed leafcutter bee (Megachile albitarsis) with a leaf section. Zolfo Springs, FL.
White-footed leafcutter bee
White-footed leafcutter bee (Megachile albitarsis) resting with cut leaf. Zolfo Springs, FL.
Polistes bellicosus
Polistes bellicosus at nest. Zolfo Springs, FL.
Hyalymenus
Hyalymenus sp. feeding on scarlet sesbane (Sesbania punicea) fruit. Zolfo Springs, FL.
White-footed leafcutter bee
White-footed leafcutter bee (Megachile albitarsis) cutting a leaf disc out of air potato (Dioscorea bulbifera). Zolfo Springs, FL.
Eastern amberwing
Eastern amberwing (Perithemis tenera) perched on leaf. Zolfo Springs, FL.
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