Doug Wechsler / American toad (Bufo americanus) crossing road at night in front of car headlights, Philadelphia, Pennsylvania, USA, March

Michael Hutchinson / Abstract apartment and office buildings, Philadelphia, Pennsylvania, USA

Tom Vezo / Bonapartes gull {Chroicocephalus philadelphia} sitting in nest in a conifer tree, USA.

Doug Wechsler / Brown lacewing (Hemerobiidae) larva feeding on Oleander Aphid (Aphis nerii) Philadelphia, USA, June.

Doug Wechsler / Ambush bug (Phymata sp) on Black-eyed susan (Rudbeckia hirta) on shield bug prey, Morris Arboretum, Philadelphia, Pennsylavania, USA. August.

Doug Wechsler / Wide-footed treehopper (Campylenchia latipes) on Black-eyed susan (Rudbeckia hirta) stem, Morris Arboretum, Philadelphia, Pennsylavania, USA. August.

Doug Wechsler / Wavy-lined emerald moth caterpillar (Synchlora aerata) which camouflages itself by attaching parts of flower to itself, on Black-eyed susan (Rudbeckia hirta) Morris Arboretum, Philadelphia, Pennsylava...

Doug Wechsler / Wavy-lined emerald moth caterpillar (Synchlora aerata) which camouflages itself by attaching parts of flower to itself, on Black-eyed susan (Rudbeckia hirta) Morris Arboretum, Philadelphia, Pennsylava...

Doug Wechsler / Wavy-lined emerald moth caterpillar (Synchlora aerata) which camouflages itself by attaching parts of flower to itself, on Black-eyed susan (Rudbeckia hirta) Morris Arboretum, Philadelphia, Pennsylava...

Doug Wechsler / Wavy-lined Emerald Moth (Synchlora aerata) which camouflages itself by attaching parts of flower to itself, on Black-eyed susan (Rudbeckia hirta) Crossways Preserve, Montgomery County, Philadelphia,...

Doug Wechsler / Walnut lace bug (Corythuca juglandis) on Manchurian Walnut leaf; Morris Arboretum, Philadelphia, Pennsylvania, USA, August.

Doug Wechsler / Garden cenitipede (Symphyla sp) Wissahickon Valley Park, Philadelphia, Pennsylvania, USA, June.