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Photo#592106
Cercyon - Cercyon floridanus - male

Cercyon - Cercyon floridanus - Male
Rotonda West, Charlotte County, Florida, USA
June 10, 2011
Size: 2 mm
Collected at UV light.

I believe this is Cercyon floridanus (small size, dorsal microsculpture). Unfortunately, Epler (1) only discusses two of the species and I don't have a copy of Smetana's revision of the subfamily, though the genitalia of this male does match the figure in Epler. Otherwise, the only species on FL checklist I haven't excluded are C. crocatus and C. nigriceps (haven't found any info on them online).

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Cercyon - Cercyon floridanus - male Cercyon - Cercyon floridanus - male

Moved
Moved from Cercyon.

I agree with your ID
C. nigriceps is synonymized with C. atricapillus in Smetana (1978). That species has a much narrower elongate mesosternum. C. crocatus has the posterior end of the mesosternum broadly contacting the metasternum (this one is narrowly meeting the metasternum, with a narrow gap). Together with the impressed elytra striae, size, and dorsal microsculpture that you verified, I'm quite certain that it's C. floridanus. I can send you a pdf file of Smetana's revision if you like.

 
Thanks Tim
The information you provided about the remaining species choices is very informative. Please send along that pdf if you don't mind, it would be a good resource to have.

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