Augyles auromicans (Kiesenwetter) Metathoracic

King, Jonas G. & Lago, Paul K., 2012, The variegated mud-loving beetles (Coleoptera: Heteroceridae) of Mississippi and Alabama, with discussion and keys to the species occurring in the southeastern United States, Insecta Mundi 2012 (275), pp. 1-53 : 8

30) ............................................................................. 17. Augyles auromicans (Kiesenwetter) Metathoracic coxal lines absent, pronotum without a median longitudinal stripe ..................... 2

2(1).

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Length 2.0 - 3.0 mm. Nine antennomeres present, body color either uniformly orangish-brown or black, without trifasciate pattern on the elytra; males with conspicuous dorsolateral basal processes on mandibles which bend over the sides of the labrum and obscure about one fourth of its surface area ( Fig. 27 ) ............................................................................................................ 3

Length 2.6 - 6.9 mm. Eleven antennomeres present; elytra at least vaguely trifasciate; mandibles variable, but never with a large dorsolateral processes .............................................................. 4

3(2).

Figures

Figures 26-29. Habiti of small southeastern species. 26) Tropicus pusillus. This level of color variation can be seen in either sex. 27) Head of Tropicus pusillus. 28) Heterocerus selanderi. 29) Tropicus nigrellus, holotype male and allotype female. Scale line = 1mm.