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Photo#553537
Small Beetle - Heterobostrychus aequalis

Small Beetle - Heterobostrychus aequalis
Santa Clara County, California, USA
July 1, 2011
Size: ~8mm long, ~3mm wide
This beetle emerged from a mango wood bowl bought from Target in May 2011. I can only guess that it was the 80˚F temperatures this month that prompted it to come alive and emerge. I have observed two beetles thus far, the first on July 8 and another today, July 28.

I hesitated to post an ID because I cannot be certain that this is a North American species of beetle, as it came from a bowl made of wood that generally comes from tropical areas. Unfortunately I threw away the stickers that came on the bowl, and do not remember if it said where the wood originated.

Fearing that the beetle could be an invasive species, I managed to grasp part of the first one with a pair of forceps and it eventually died and dried out so I could knock it out of its tunnel. I discovered that the divots on its back are actually translucent and appear yellow-colored under bright light. The wings are a light rusty-brown color.

Any help with this bug would be greatly appreciated. I just want to be sure that if any other beetles emerge, they aren't invasive if they manage to take flight.

Images of this individual: tag all
Small Beetle - Heterobostrychus aequalis Small Beetle - Heterobostrychus aequalis Small Beetle - Heterobostrychus aequalis

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