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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Adephaga » Ground Beetles (Carabidae) » Harpalinae » Harpalitae » Flat-horned Ground Beetles (Helluonini) » Flat-horned Ground Beetles (Helluomorphoides) » Helluomorphoides praeustus » Helluomorphoides praeustus praeustus
Photo#397867
Ground beetle - Helluomorphoides praeustus
Copyright © 2010 J. Ott

Ground beetle - Helluomorphoides praeustus
Pearl River County, Mississippi, USA
May 19, 2010
Size: 14mm BL
Helluomorphoides? Id appreciated.
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Contributed by J. Ott on 19 May, 2010 - 12:30pm
Last updated 25 July, 2016 - 4:24pm

Moved
Moved from Helluomorphoides praeustus bicolor.
… v belov, 15 June, 2010 - 4:17am login or register to post comments

Helluomorphoides praeustus praeustus
based on my microscopic examination of this specimen which is now a photo-voucher in the P.W.Messer collection - a new addition! Guided by the key to North American Helluomorphoides by Ball (1956), I had the advantage of viewing the antennomeres at a perpendicular angle (oblique in the image) which show their true squarish proportions, unlike the distinctly transverse proportions seen in the subspecies H. praeustus bicolor. The latter subspecies is widespread more northerly; the nominate species is probably limited to the south although also given NJ status in Bousquet & Larochelle (1993).

Thanks so much John for the detailed collection data submitted with this specimen. In future please use alcohol-dampened paper towel as cotton snags the tarsi. I will notify Yves Bousquet about this record as MS status was not given in his 1993 catalogue.
… Peter W. Messer, 11 June, 2010 - 6:51pm login or register to post comments

H. praeustus bicolor (T.W. Harris) -- I. Sokolov det.
Moved from Helluomorphoides.
… v belov, 20 May, 2010 - 2:27am login or register to post comments

indeed; what a beauty! will ask around for a sp. name
Moved from Beetles.
… v belov, 19 May, 2010 - 12:31pm login or register to post comments

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