Paul Williams / Nephila pilipes spider and common tiger butterfly (Danaus genutia). The butterfly contains toxins that make it distateful to the spider, so the spider snips the butterfly out of its web and releases i...
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Doug Wechsler / Brown lacewing (Micromus sp) larva eating Oleander aphid (Aphis nerii) on common milkweed, USA.
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Doug Wechsler / Monarch butterfly ( Danaus plexippus) egg on common milkweed; Philadelphia, Pennsylvania, USA. August.
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Doug Wechsler / Milkweed tiger moth (Euchaetes egle) caterpillars on Common milkweed (Asclepias syriaca) Philadelphia, Pennsylvania, USA, July.
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Doug Wechsler / Milkweed stem weevil (Rhyssomatus lineaticollis) feeding on common milkweed sap Morris Arboretum, Philadelphia, Pennsylavania, USA. August.
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Doug Wechsler / Oleander aphids (Aphis nerii) on common milkweed, Schuylkill Centre for Environmental Education, Philadelphia, USA July
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Doug Wechsler / Jumping spider (Phidippus audax) sheltering on Common Milkweed, Philadelphia, USA
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Doug Wechsler / Golden-backed snipe fly (Chrysopilus thoracicus) mating on Common milkweed leaf (Asclepias syriaca) Pennsylvania, USA, May.
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Doug Wechsler / Common milkweed field (Asclepias syriaca) Morris Arboretum, Pennsylvania, USA, June.
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Doug Wechsler / Common Aerial Yellowjacket (Dolichovespula arenaria) pollinating Swamp Milkweed (Asclepias incarnata( French Creek State Park, Philadelphia, Pennsylvania, USA, August.
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Doug Wechsler / Large milkweed bug (Oncopeltus fasciatus) nymphs on Common milkweed (Asclepias syriaca) leaf, Pennsylvania, USA, August.
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Doug Wechsler / Mating pair of Large milkweed bugs (Oncopeltus fasciatus) on Common milkweed (Asclepias syriaca) leaf, Pennsylvania, USA, July.
