Laemophloeus, Dejean

Bento, Matheus, 2021, Laemophloeus souzalimai, a new species of lined flat bark beetle (Coleoptera Cucujoidea, Laemophloeidae) from Southeast Brazil, Zootaxa 5072 (3), pp. 278-284 : 282

Identification key to species of Laemophloeus with antennal club of 6 or more antennomeres [modified from Thomas (2013)].

1. Elytra maculate ....................................................................................... 4

— Elytra not maculate; may be infuscate..................................................................... 2

2(1). Male clypeus with deep antennal emarginations; body color more or less uniformly testaceous or dark testaceous...........3

— Male clypeus with shallow antennal emarginations; head and pronotum dark testaceous, elytra testaceous, infuscate medially................................................................................... L. concinnus Thomas

3(2). Frons without V-shaped excavation, with longitudinal line usually deeply impressed; lateral sides of head not excavated, with eyes not laterally protruding; antennal emarginations of clypeus rounded...................... L. sexarticulatus Kessel

— Frons with a broad, V-shaped excavation, with longitudinal line effaced to barely defined; lateral sides of head strongly excavated, with laterally protruding, somewhat pedunculated eyes; antennal emarginations of clypeus somewhat V-shaped..................................................................................... L. souzalimai sp. nov.

4(1). Frons unmodified, not excavate; ground color of body testaceous; elytra dark basally and along suture, forming ill-defined, pale, elongate, maculae............................................................... L. macrognathus Reitter

— Frons medially excavate; ground color of body castaneous or piceous; elytra with well-defined pale maculae.............5

5(4). Medial excavation of frons broadly V-shaped; surface of head between punctures smooth, not microreticulate; genal processes anteriorly projected................................................................... L. germaini Grouvelle

— Medial excavation of frons as a deep groove; surface of head between punctures strongly microreticulate; genal processes unprojected.......................................................................... L. buenavista Thomas