
Florida leaf-footed bug (Acanthocephala femorata). Pioneer Park, Zolfo Springs, FL.

Florida leaf-footed bug (Acanthocephala femorata). Zolfo Springs, FL.

Squash bug nymph (Anasa tristis). Swarthmore, PA.

Oleander aphids (Aphis nerii) on milkweed inflorescence. Hildacy Farm Preserve, Media, PA.

Oleander aphids (Aphis nerii) on milkweed inflorescence. Hildacy Farm Preserve, Media, PA.

Pine spittlebug (Aphrophora cribrata). Mohonk Muntain House, New Paltz, NY.

Wheel bug (Arilus cristatus) consuming a small beetle. Stroud Preserve, Chester County, PA.

Wheel bug (Arilus cristatus) consuming a small beetle. Stroud Preserve, Chester County, PA.

Arilus cristatus (wheel bug). Rose Tree Park, Media, PA.

Fifth-instar nymph of Banasa sp. ID tentative. John Heinz National Wildlife Refuge, Philadelpha, PA.

Eastern boxelder bug (Boisea trivittata) inside curled leafJohn Heinz National Wildlife Sanctuary, PA.

Eastern boxelder bugs (Boisea trivittata) on boxelder seeds. John Heinz National Wildlife Refuge, Philadelphia, Pennsylvania.

Eastern boxelder bugs (Boisea trivittata). John Heinz National Wildlife Refuge, Philadelphia, Pennsylvania.

Carolina stink bug (Brochymena carolinensis). Ridley Creek State Park, Media, PA.

Four-humped stink bug (Brochymena quadripustulata) on coneflower bud. Swarthmore, PA.

Four-humped stink bug (Brochymena quadripustulata). Swarthmore, PA.

Green stink bugs (Chinavia hilaris). Tobyhanna State Park, Tobyhanna, PA.

Green stink bug (Chinavia hilaris) on log. Swarthmore, PA.

Chinavia hilaris (green stink bug) nymph. John Heinz National Wildlife Refuge, Philadelphia, PA.

Green stink bug (Chinavia hilaris) on jewelweed fruit. Leiper Park, Wallingford, PA.

Green stink bugs (Chinavia hilaris). Tobyhanna State Park, Tobyhanna, PA.

Green stink bug (Chinavia hilaris) nymphs. ChesLen Preserve, Coatesville, PA.

Bee-killer assassin bug (Apiomerus repletus). Guanacaste, Costa Rica.

Copulating red bugs (Dysdercus lunulatus). Guanacaste province, Costa Rica.

Keeled treehopper (Entylia carinata) on globe artichoke. Swarthmore, PA.

Wooly aphid (Eriosomatinae) stuck on spider web. Gambier, Ohio.

Euschistus sp. copulating. Mohonk Mountain House, New Paltz, NY.

Northern flattid planthopper (Flatormenis proxima). Crum Woods, Swarthmore, PA.

Rhododendron leafhopper (Graphocephala fennahi); ID tentative. On rhododendron. Swarthmore, PA.

Beech blight aphids (Grylloprociphilus imbricator) on beech branch. Swarthmore, PA.

Beech blight aphids (Grylloprociphilus imbricator). Crum Woods, Swarthmore, PA.

Beech wooly aphid (Grylloprociphilus imbricator). Wawa Preserve, Media, PA.

Witch-hazel cone gall (Hormaphis hamamelidis). Media, PA.

Pair of witch-hazel cone galls (Hormaphis hamamelidis). Crum Woods, Swarthmore, PA.

Witch-hazel cone gall (Hormaphis hamamelidis). Media, PA.

Witch-hazel cone gall (Hormaphis hamamelidis). Media, PA.

Hyalymenus sp. feeding on scarlet sesbane (Sesbania punicea) fruit. Zolfo Springs, FL.

Hyalymenus sp. on scarlet sesbane (Sesbania punicea). Zolfo Springs, FL.

Hyalymenus on scarlet sesbane (Sesbania punicea). Zolfo Springs, FL.

Hyalymenus on scarlet sesbane (Sesbania punicea). Zolfo Springs, FL.

Myakka bug (Ischnodemus variegatus) with mite infection. Zolfo Springs, FL.

Leptoglossus oppositus on conifer branch. Little Crum Creek Park, Swarthmore, PA.

Leptoglossus oppositus (a leaf-footed bug). Smedley Park, Springfield, PA.

Lopidea sp. eating pollen. Taylor Memorial Arboretum, Wallingford, PA.

Spotted lanternfly (Lycorma delicatula). Longwood Gardens, Kennett Square, PA.

Spotted lanternflies (Lycorma delicatula). Binky Lee Preserve, Chester Springs, PA.

Lycorma delicatula (spotted lanternfly) on tree. Binky Lee Preserve, Chester Springs, PA.

Spotted lanternfly nymphs on female tree-of-heaven. Springfield, PA.

Spotted lanternfly nymphs on tree-of-heaven sapling. Springfield, PA.

Spotted lanternfly nymphs (Lycorma delicatula) on tree-of-heaven trunk. Springfield, PA.

Spotted lanternfly (Lycorma delicatula) on tree-of-heaven trunk. Springfield, PA.

Spotted lanternfly nymphs on tree-of-heaven sapling. Springfield, PA.

lycorma-delicatula-ailanthus-stem-nymphs

Spotted lanternfly egg masses on river birch. Morris Arboretum, Chestnut Hill, PA.

Spotted lanternfly (Lycorma delicatula). Nymph. Hildacy Preserve, Media, PA.

Spotted lanternflies (Lycorma delicatula) congregating on wall. Newtown Square, PA.

Early nymph of spotted lanternfly (Lycorma delicatula). Hildacy Preserve, Media, PA.

Egg case of the spotted lanternfly (Lycorma delicatula). Hildacy Preserve, Media, PA.

Spotted lanternfly eggs. Binky Lee Preserve, Chester Springs, PA.

lycorma-delicatula-egg-case-birch-1

lycorma-delicatula-egg-case-birch-2

lycorma-delicatula-egg-case-birch-3

Spotted lanternfly (Lycorma delicatula) egg cases on river birch. Crum Woods, Swarthmore, PA.

Spotted lanternfly egg case on branch. Little Crum Creek Park, Swarthmore, PA.

Spotted lanternfly egg case on branch. Little Crum Creek Park, Swarthmore, PA.

Egg case of the spotted lanternfly (Lycorma delicatula). Hildacy Preserve, Media, PA.

Binky Lee Preserve, Chester Springs, PA.

Spotted lanternfly egg mass. John Heinz National Wildlife Sanctuary, Tinicum, PA.

Spotted lanternfly (Lycorma delicatula) eggs. Willisbrook Preserve, Malvern, PA.

Spotted lanternfly (Lycorma delicatula) eggs. Willisbrook Preserve, Malvern, PA.

Spotted lanternfly (Lycorma delicatula) eggs. Willisbrook Preserve, Malvern, PA.

Spotted lanternfly (Lycorma delicatula) egg mass on sycamore. Swarthmore, PA.

Spotted lanternfly (Lycorma delicatula) adult female. John Heinz National Wildlife Sanctuary, Philadelphia, PA.

Spotted lanternflies (Lycorma delicatula) on tree trunk. Crum Woods, Swarthmore, PA.

Spotted lanternfly (Lycorma delicatula) nymph. Goshen Trail, Newton Square, PA.

Spotted lanternfly (Lycorma delicatula). Nymph. Swarthmore, PA.

Lycorma delicatula nymph. Hildacy Preserve, Media, PA.

Spotted lanternfly (Lycorma delicatula). Nymph. Swarthmore, PA.

Spotted lanternfly (Lycorma delicatula) egg mass on river birch. Morris Arboretum, Chestnut Hill, PA.

Spotted lanternfly (Lycorma delicatula) caught in sipider web. Hildacy Farm Preserve, Media, PA.

Three spotted lanternflies (Lycorma delicatula). Binky Lee Preserve, Chester Springs, PA.

Lycorma delicatula (spotted lanternfly) showing underwings. Binky Lee Preserve, Chester Springs, PA.

Egg case of the spotted lanternfly (Lycorma delicatula). Hildacy Preserve, Media, PA.

Spotted lanternfly (Lycorma delicatula) warning display. Leiper Park, Wallingford, PA.

Adult spotted lanternfly (Lycorma delicatula). John Heinz National Wildlife Refuge, Tinicum, PA.

Spotted lanternfly nymph on leaf

Spotted lanternflies (Lycorma delicatula) with egg case. Hildacy Preserve, Media, PA.

Pharaoh cicada (Magicicada septendecim). Brood II. Mohonk Mountain House, New Paltz, NY.

Citrus flatid planthopper (Metcalfa pruinosa) on Jerusalem artichoke (Helianthus tuberosus). Swarthmore, PA.

Zolfo Springs, FL.

Long-necked seed bug (Myodocha serripes) on Monarda fistulosa seed head. Swarthmore, PA.

Neolygus sp. on mountain laurel (Kalmia latifolia). ID not confirmed. Mohonk Mountain House, New Paltz, NY.

Stilt bug (Neoneides muticus) on flowers. Lake Mohonk, New Palz, NY.

Stilt bug (Neoneides muticus) on flowers. Lake Mohonk, New Palz, NY.

Stilt bug (Neoneides muticus) on flowers. Lake Mohonk, New Palz, NY.

Stilt bug (Neoneides muticus) on flowers. Lake Mohonk, New Palz, NY.

Stilt bug (Neoneides muticus). Lake Mohonk, New Paltz, NY.

Neoneides muticus. Nymph. Swarthmore, PA.

Nesocastolus eating small insect. El Yunque National Forest, Puerto Rico.

Nymph of Neurocolpus nubilus probing a dooder gall. ID tentative. Saugerties Lighthouse Conservancy, Saugerties, NY.

Nymph of Neurocolpus nubilus probing a dooder gall. ID tentative. Saugerties Lighthouse Conservancy, Saugerties, NY.

Neurocolpus sp. ID tentative. Ashbridge Preserve, West Goshen, PA.

Large milkweed bug (Oncopeltus fasciatus). Nymph. Hildacy Preserve, Media, PA.

Pachylis nervosus. Nymph. Playa Del Carmen, Quintana Roo, Mexico.

Pachylis nervosus. Nymph. Playa Del Carmen, Quintana Roo, Mexico.

Hackberry nipplegall maker (Pachypsylla celtidismamma). Hildacy Preserve, Media, PA.

Hackberry nipplegall maker (Pachypsylla celtidismamma). Hildacy Preserve, Media, PA.

Peanut burrower bug (Pangaeus bilineatus). ID tentative. Swarthmore, PA.

Ambush bug (Phymata sp.). Newtown Square, PA.

Phymata americana eating a honey bee. On swamp milkweed. Saugerties, NY.

Phymata fasciata on an aster. Stoneleigh Garden, Villanova, PA.

Jagged ambush bug (Phymata) eating a bee on rabbitbrush. Crooked River National Grassland, Madras, Oregon.

Translucent cicada (Proarna sp.). La Selva, Costa Rica.

Red-footed cannibal fly (Promachus rufipes). Paines Creek Historic Park, Bowling Green, Florida.

Black stink bug (Proxys punctulatus). Zolfo Springs, FL.

Black stink bug (Proxys punctulatus). Zolfo Springs, FL.

Sycamore assassin bug (Pselliopus barberi). Crum Woods, Swarthmore, PA.

Rainieria antennaepes. Rose Tree Park, Media, PA.

Rainieria antennaepes. Rose Tree Park, Media, PA.

Rainieria antennaepes on a mushroom. Wawa Preserve, Media, PA.

Rhynchomitra microrhina. Goshen trail, Newtown Square, PA.

Rhynocoris ventralis nymph. ID tentative. Crooked River National Grassland, Madras, OR.

Copulating Sibaria englemani. Provincia de Alajuela, San Carlos, Costa Rica

Spined assassin bug (Sinea diadema). Springfield, PA.

Spiny assassin bug (Sinea spinipes). Goshen Trail, Newtown Square, PA.

Parasitic wasp (Telenomus sp.) on stink bug eggs. ID tentative. Hildacy Preserve, Media, PA.

Zelurus circumcinctus. Provincia de Alajuela, San Carlos, Costa Rica.

Milkweed assassin bug (Zelus longipes). Zolfo Springs, FL.

Milkweed assassin bug (Zelus longipes). Zolfo Springs, FL.

Zelus luridus nymph.

Zelus luridus. Nymph. Swarthmore, PA.

Zelus luridus nymph. Goshen Trail, Newtown Square, PA.

Pale green assassin bug (Zelus luridus) on oak leaf. Crum Woods, Swarthmore, PA.

Zelus luridus. Swarthmore, PA.