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Photo#272643
unknown Carabidae - Loxandrus

unknown Carabidae - Loxandrus
Pearl R. WMA, Slidell, St. Tammany Parish, Louisiana, USA
April 24, 2009
Size: 1cm

Images of this individual: tag all
unknown Carabidae - Loxandrus unknown Carabidae - Loxandrus unknown Carabidae - Loxandrus unknown Carabidae - Loxandrus unknown Carabidae - Loxandrus

Moved
Moved from Harpalinae.

 
Harpalinae : Loxandrini
is the currently accepted placement for Loxandrus by most North American carabid authorities. However, world carabid cataloguer Wolfgang Lorenz (2005) of Germany returned Loxandrus to its historically previous place under Pterostichini. I suspect American Terry Erwin in his forthcoming serial publication Treatise on Western Hemisphere Caraboidea - Pterostichini will continue to follow Lorenz. Until that is published, my mild bias for now is that BugGuide treat Loxandrus under Loxandrini.

Moved
Moved from Frass.

 
Loxandrus
is suggested by the pterostichine habitus + dorsum strongly iridescent + elytra lacking a pair of scutellar striae. A genus notoriously difficult to separate species (especially females).

 
nice to know --
-- and to have this series, too: we've had just a single photo in the guide, which is strange for such a species-rich group

 
"Pterostichine-like"
rather than "pterostichine" habitus would have been better wording.

looks funny; suspect Platynini
*

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