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Photo#851483
Megaleuctra complicata Claassen - Megaleuctra complicata - male

Megaleuctra complicata Claassen - Megaleuctra complicata - Male
spring trib of Big Chico Creek, Butte County, California, USA
March 9, 2013
Size: ~12 mm
Several springs in this section of the state have populations of this species. All of the specimens I have found are slightly brachypterous like this male. I've seen specimens from springs in Humboldt County which are fully macropterous.