Keywords: bug bugs insect insects dragonfly dragonflies animal animals animalia arthropod arthropods arthropoda taxonomy:binomial=ophiogomphus susbehcha taxonomy:binomial=ophiogomphussusbehcha richard orr richardorr droege biml pwrc potomac river potomacriver maryland snaketail macro macro photography macrophotography zerene stacker zerenestacker stackshot usgsbiml black background Ophiogomphus susbehcha, cast skin, collected by Richard Orr along the Potomac River Ophiogomphus susbehcha, cast skin, collected by Richard Orr along the Potomac River |