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Long Legged Fly

Scientific Name: Condylostylus patibulatus

Family: Dolichopodidae

Native Range: Eastern United States and Southern Canada, Pennsylvania*

Size: Really small

Active:

Color and Appearance: “Green body, black legs, black antennae, face with pale hairs, segments 2-4 of fore tarsi similar (female) or 2-3 short and 4 longer (male). Fore basitarsus of male with row of bristles on outside. In the Northeast, no other species has black legs and marked wings.”*

*From BugGuide.net (https://bugguide.net/node/view/478773)

August 16, 2020: Condylostylus patibulatus are really small. Really small. And fast. And skittish. BugGuide.net notes that they are among the more common flies in the Northeast and one of the first to be described in scientific literature. They are also common in our yard as tiny, brightly zooming specks. Photographs of them are inevitably blurry and frequently do not show the insect, because he or she has flown off before the shutter closed.

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Common Picture-Winged Fly

Scientific Name: Delphinia picta

Family: Ulidiidae

Native Range: Eastern United States, Pennsylvania

Size: 7 – 9 mm (0.28 – 0.35 in)*

Active: 2 generations per year: Adults active in late spring – summer. Next generation overwinters a larva. (Wikipedia: https://en.wikipedia.org/wiki/Delphinia_picta_

Color and Appearance: “Wing pattern apparently distinctive, with two white triangles on front edge. Moves wings in rowing motion as it walks.”*

*From BugGuide.net (https://bugguide.net/node/view/5919)

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Syrphid Fly

Family: Syrphidae

Native Range:

Size:

Active:

Color and Appearance:

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Green Bottle Fly

Family: Calliphoridae

Native Range: World wide, especially Western Hemisphere, Pennsylvania

Size:

Active:

Color and Appearance: