The big one is Trimitomerus riversii, but is the small one the same sp.? - Trimitomerus riversii
Picture Rocks, NW of Tucson, Pima County, Arizona, USA June 19, 2010 Size: 6.5 and 17mm
I've collected 10 mm ones before. this 17 mm one is a giant and came to the light at the same time as the tiny one. I do not know what the females look like. I was told the ones that come to the lights are males
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