Diptera: Flies - Alex Wild Photography
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Tipulidae

Tipulidae

The hind wings of true flies are reduced to knob-like structures called halteres, easily visible in this crane fly. Halteres are used in flight as little gyroscopes to help flies balance and orient themselves. Austin, Texas, USA.

HalteresDipteraInsect FlightCrane FliesTipulidaeNematoceraFlies