Explanation of Names
Possible new species per Riley et al. (2001)
Five spp. in genus north of Mexico (1)
Per Riley et al. (2001), there is "Another, yet undetermined Griburius species which is similar in appearance [to both Griburius equestris and Griburius larvatus] is common in southern Texas and reaches eastward to Louisiana."
"We have seen specimens of all three species in various collections identified as G. equestris."
Two of 10 specimens collected in Austin, Texas, reviewed by E.G. Riley:
"Common in southern Texas and reaches eastward to Louisiana." (Riley et al. 2001)
May-July (per all pix posted here as of Jun 2011)
10 specimens at the UTIC in Austin, all were collected in June.
Griburius equestris and Griburius larvatus
Riley, E.G., S.M. Clark, & A.J. Gilbert. 2001. New records, nomenclatural changes, and taxonomic notes for select North American leaf beetles (Coleoptera: Chrysomelidae). Insecta Mundi 15(1): 1-17. Full PDF