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Photo#30477
some kind of hydrophilid - Enochrus

some kind of hydrophilid - Enochrus
Nashua, Hillsborough County, New Hampshire, USA
August 28, 2005
Size: 3 mm approx.
Came to UV lights.

Enochrus sp.
This is an Enochrus species, likely Enochrus ochraceus but it is impossible to tell without a look under the scope. The things sticking out on this photo are the antennae, although the palps are indeed much longer on this genus- just not visible on this photo. You can see the pubescent club fairly distinctly. And while a few scarab workers have suggested a placement of hydrophilids within scarabs, this is actually not likely true- nor is it supported by recent morphological studies. It is more likely that Scarabs originated out of the Staphyliniformia, and so if anything, Scarabs are Hydrophilids.

 
Thank you Andrew.
Glad to have your expertise to rely on. I've sent to guide page.

Hydrophilidae.
Definitely a water scavenger beetle. Hydrophilidae is an extremely diverse family, like the aquatic version of scarabs, which some authorities think they are related to! By the way, the filaments on the head are probably palps, not antennae.

 
Thank you Eric.
I wondered about both things: was it Hydrophilidae and were those palps rather than antennae? I'll re-label.

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