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A pair of Nephrotoma crane flies (Tipulidae) mating in a midwestern meadow. The female is above. Urbana, Illinois, USA
Portrait of a hover fly (Syrphidae). Urbana, Illinois, USA
Paragus sp. hover fly (Syrphidae) Urbana, Illinois, USA
Musca domestica - common house fly
Musca domestica - common house fly
Musca domestica - common house fly (emerging from puparium)
Many species of flies use their wings for communication. This Ulidiid sports both pigmented spots- visible in the wing silhouetted by the flower petal- and rainbow reflections, visible in the wing against the dark background. MacLaughlin UC Reserve, California, USA
Young house flies (Musca domestica) fill an inflatable structure- the ptilinum- with hemolymph to break free from the hard shell of the puparium. Once free, the ptilinum collapses back into the head. Urbana, Illinois, USA
Portrait of a common house fly, Musca domestica. Urbana, Illinois, USA
A pair of Nephrotoma crane flies (Tipulidae) mating in a midwestern meadow. The female is above.

Urbana, Illinois, USA
A pair of Nephrotoma crane flies (Tipulidae) mating in a midwestern meadow. The female is above. Urbana, Illinois, USA
A pair of Nephrotoma crane flies (Tipulidae) mating in a midwestern meadow. The female is above.

Urbana, Illinois, USA
See photo in original gallery.
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all images and text © Alex Wild 2001-2013