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Photo#184012
Beetle with huge 3 last members of antennae - Trimitomerus riversii

Beetle with huge 3 last members of antennae - Trimitomerus riversii
Picture Rocks, NW of Tucson, pima County, Arizona, USA
May 20, 2008
Size: 1 cm
I've seen some Cleridae with strange antennae, similar to this

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Beetle with huge 3 last members of antennae - Trimitomerus riversii - male Beetle with huge 3 last members of antennae - Trimitomerus riversii