Jeff Vanuga / Ephydrid flies (Ephydra sp) that eats microscopic algae and survives during the winter in thermal pools. Biscut Basin, Yellowstone National Park, Wyoming, USA, January.
01494549
Jussi Murtosaari / Flies (Brachycera) on leaf, Parikkala, Etela-Karjala / South Karelia, Etela-Suomi / South Finland, Finland. June
01494730
Jussi Murtosaari / Fly (Brachycera) on Lily of the Valley berries, Parikkala, Etela-Karjala / South Karelia, Etela-Suomi / South Finland, Finland. September
00438019
Kevin Schafer / California Gull (Larus californicus) feeding on Mono Lake Alkali Flies (Ephydra hians), Mono Lake, California
01627999
Nigel Cattlin / Whorl maggot (Hydrellia philippina) adult pest fly on a Rice (Oryza sativa) leaf, Luzon, Philippines
01627998
Nigel Cattlin / Whorl maggot (Hydrellia philippina) adult pest fly on a Rice (Oryza sativa) leaf, Luzon, Philippines
00574031
Jeff Foott / Brine Fly (Ephydridae) group on algae mat in hot spring run off, Yellowstone National Park, Wyoming
00574030
Jeff Foott / Brine Fly (Ephydridae) group on algae mat in hot spring run off, Yellowstone National Park, Wyoming
00438020
Kevin Schafer / California Gull (Larus californicus) feeding on Mono Lake Alkali Flies (Ephydra hians), Mono Lake, California
01725775
Jeff Vanuga / Brine flies (Ephydra sp.) laying eggs and caring for newly deposited eggs in geothermal water, Yellowstone National Park, Wyoming, USA.
01725774
Jeff Vanuga / Brine flies (Ephydra sp.) laying eggs and caring for newly deposited eggs in geothermal water, Yellowstone National Park, Wyoming, USA.
01719085
Doug Wechsler / Wedge-shaped beetle (Athyroglossa glaphyropus) resting on Mountain mint (Pycnanthemum sp) Four Mills Nature Preserve, Pennsylvania, USA. August.
