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Photo#514449
Pentaria dispar (Liljeblad) - Pentaria dispar

Pentaria dispar (Liljeblad) - Pentaria dispar
I-10 R.O.W., 2.5 mi. n. of Ingram, Gillespie County, Texas, USA
May 6, 2011
Det. Zack Falin, 2012

Coll. sweeping roadside flwrs, mostly Salvia farinacea

Spmn sent to TAMUIC

Moved
Moved from Anaspis.

Pentaria dispar (?) Liljeblad 1945
I was just grinding through some of my scraptiids and found this image, which is apparently unique among the anaspidine pictures on Bugguide. It matches nearly exactly a series of specimens I collected a few years ago in Barber Co., KS (just over the border from OK).

Anaspid genera (and species) can be quite tricky and variable, but I would suggest this critter is not Anaspis, but instead Pentaria dispar. Anaspis species have small to tiny fourth tarsomeres on their front and middle legs. You can clearly see and count all five tarsomeres on the two anterior legs on the left side of this critter- something that would normally be quite difficult to do on a *real* Anaspis. Further, the color combinations don't match any described species of Anaspis.

If you set aside Naucles and Sphingocephalus, we're left with Diclidia or Pentaria. Given that the 3rd and 4th antennomeres combined appear to be about equal to the 1st and 2nd combined, I'd eliminate Diclidia (and again, the color combos don't match up with any of the existing descriptions).

If we go with Pentaria, this specimen (as well as the series I have in front of me) matches the description of P. dispar really quite well... except for the lack of a humeral spot on the elytron. Heck, even the exposed parts of the male genitalia on one of my specimens agree with Liljeblad's description (though my series seems to run about 0.5mm larger than his measurements).

I'm fairly confident this is Pentaria; is it a variation of P. dispar, or is it undescribed? I dunno, but given the known variability within the subfamily, I'd tend to go with P. dispar.

cheers!

 
awesome. thanks, Zack.
colored just like the common Palaearctic Anaspis thoracica (L.) --i was sure the nearctic fauna simply has to include something matching that scheme...

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