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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Cucujiformia » Tenebrionoidea » Darkling Beetles (Tenebrionidae) » Pimeliinae » Asidini » Stenomorpha » subgenus Stenomorpha (Stenomorpha subgenus Stenomorpha) » Stenomorpha mckittricki

Photo#372314

Copyright © 2010 Hartmut Wisch

Stenomorpha mckittricki -

McKittrick, Kern County, California, USA
February 17, 2009

Close to sunset I photographed this beetle, near the shoulder of the road.
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Contributed by Hartmut Wisch on 18 February, 2010 - 5:42pm
Last updated 22 February, 2010 - 3:15pm

Great pictures Hartmut! I'm g

Great pictures Hartmut! I'm glad you were able to find them. From the shape of the elytra it looks like this one might be a female. Did you check to see?

… Dennis Haines, 19 February, 2010 - 12:03am

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Thanks to you, Dennis -

Re. gender of this beetle: I thought that the 5th sternite was a bit more pointed (f.), more rounded in some of the others (m.). I don't know how reliable this is, short of pulling genitalia.
Do you have some trick for this?

… Hartmut Wisch, 19 February, 2010 - 12:03pm

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I did the genitalia pull. I d

I did the genitalia pull. I don't see any significant difference between the 5th sternites of male and female. What I do see are that the elytra are more parallel sided, tarsi longer, and antennal club larger (m); elytra arcuate at the sides, shorter tarsi, and smaller antennal club (f).

… Dennis Haines, 19 February, 2010 - 12:19pm

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Thanks for the information, Dennis -

I still have a couple of these, so I'll know eventually.
Would you believe, I couldn't find any Erodium this morning, though I just saw oodles of it a few days ago in the Santa Susanas.
I just gathered some pygmy weed (Crassula connata), and they appear to like it.
P.S. funny - plenty of Erodium cicutarium a few steps from my house...
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… Hartmut Wisch, 19 February, 2010 - 2:04pm

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Lucky you!

I wish I were never able to find Erodium, wherever I wander in the west :-)

… Aaron Schusteff, 8 March, 2016 - 11:45pm

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Except for Erodium texanum -

Alas, I don't have that near my house.

… Hartmut Wisch, 9 March, 2016 - 12:56am

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