Laemophloeus Dejean 1835, s. str.

Identification key to Neotropical species of Laemophloeus s. str. [modified from Thomas (2013; 2014) and Bento (2021)]. 1. Antennal club composed of 6–8 antennomeres.............................................................. 2 — Antennal club composed of 3 antennomeres................................................................ 7 2(1). Elytra maculate........................................................................................5 — Elytra not maculate, may be infuscate...................................................................... 3 3(2). Male clypeus with deep antennal emarginations (e. g., Fig. 2A, B). Body color more or less uniformly testaceous or dark testaceous............................................................................................ 4 — Male clypeus with shallow antennal emarginations (e. g., Fig. 2C). Head and pronotum dark testaceous, elytra testaceous, infuscate medially............................................................... .. L. concinnus Thomas, 2013 4(3). 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, 1926 — 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 Bento, 2021 5(2). Frons unmodified, not excavate. Ground color of body testaceous. Elytra dark basally and along suture, forming ill-defined, pale, elongate, maculae.......................................................... L. macrognathus Reitter, 1876 — Frons medially excavate. Ground color of body castaneous or piceous. Elytra with well-defined pale maculae............6 6(5). Medial excavation of frons broadly V-shaped. Surface of head between punctures smooth, not microreticulate. Genal processes anteriorly projected............................................................. .. L. germaini Grouvelle, 1896 — Medial excavation of frons as a deep groove. Surface of head between punctures strongly microreticulate. Genal processes unprojected..................................................................... L. buenavista Thomas, 2013 7(1). Antennal club with complex pubescence. Male anterior margin of clypeus with deep antennal emarginations and paired median horns............................................................................................... 8 — Antennal club simply pubescent. Male anterior margin of clypeus with or without deep antennal emarginations, without horns................................................................................................9 8(7). Clypeal horns of major male narrow. Clypeus sinuate laterally between tip of horn and antennal insertion. Female with a clypeal emargination over each mandible.................................................... L. lecontei Grouvelle, 1876 — Clypeal horns of major male broad. Clypeus straight laterally between tip of horn and antennal insertion. Female clypeus without an emargination over each mandible.............................................. L. taurus Thomas, 2014 9(7). Male anterior margin of clypeus with deep antennal emarginations (e. g., Fig. 2A, B)................................10 — Male anterior margin of clypeus without deep antennal emarginations (e. g., Fig. 2C).............................. 13 10(9). Antennal scape of males with a dorsal setal brush. Elytra with color pattern (Neotropical specimens with circum-scutellar area infuscate)................................................................ .. L. megacephalus Grouvelle, 1876 — Antennal scape without setal brush. Elytra uniformly light testaceous............................................11 11(10). Frontoclypeal suture deeply impressed laterally and effaced at middle (Fig. 2A). Antennal scape entirely cylindrical (Fig. 2A, D). Lateral margin of pronotum with antebasal denticle (Fig. 2A). Procoxal cavities closed posteriorly (Fig. 2D)............................................................................................. L. claudioruyi sp. nov. — Frontoclypeal suture indistinct (Fig. 2B) or complete. Antennal scape with posterior face flat or slightly concave (Fig. 2B, E). Lateral margin of pronotum without antebasal denticle (Fig. 2B). Procoxal cavities widely open posteriorly (Fig. 2E)..... 12 12(11). Frontoclypeal suture indistinct (Fig. 2B).Antennomere 11 elongate in major males, as long as antennomeres 9 and 10 combined. Lateral margins of pronotum narrowing posteriorly (Fig. 2B). Male claspers subquadrate (Fig. 3F). Parameres fused to basal piece and fused to each other at middle (Fig. 3E)............................................ L. incisus Sharp, 1899 — Frontoclypeal suture complete, V-shaped. Antennomere 11 short, distinctly shorter than antennomeres 9 and 10 combined. Lateral margins of pronotum straight to weakly convex. Male claspers with inner angles narrowly rounded, weakly curved. Parameres separated from basal piece and fused to each other only at base................... .. L. assignatus Bremer, 2025 13(9). Frontoclypeal suture depressed medially to form a distinct triangular fovea in males (females unknown). Elytra without a color pattern.................................................................... ... L. capitesculptus Thomas, 2014 — Frontoclypeal suture not forming triangular fovea. Elytra with or without color pattern..............................14 14(13). Elytra uniformly testaceous, without color pattern............................................................15 — Elytra often with color pattern.......................................................................... 16 15(14). Body elongate. Frontoclypeal suture barely defined to almost indistinct. Lateral margins of pronotum without distinct antebasal denticle. Elytra not explanate laterally. Procoxal cavities narrowly open posteriorly............ L. mathani Grouvelle, 1889 — Body oblong-ovate (Fig. 1D). Frontoclypeal suture complete and deeply impressed (Fig. 2C). Lateral margins of pronotum with antebasal denticle (Fig. 2C). Elytra explanate laterally (Fig. 1D, E). Procoxal cavities closed posteriorly (Fig. 2F).............................................................................................. L. obeliscus sp. nov. 16(14). Frons on each side with a fine diagonal line extending from frontoclypeal suture posteriorly to near eye.................17 — Frons without diagonal lines............................................................................18 17(16). Body color testaceous with elytral base and suture darkly infuscate. Antennal club short and flattened. Base of each paramere with four setae.................................................................................. L. planaclavatus Thomas, 2014 — Body color dark brown, with pale elytral maculae. Antennal club not short and flattened. Base of each paramere with one seta (female unknown)................................................................... L. dozieri Thomas, 2014 18(16). Head and pronotum darkly infuscate. Elytra infuscate along suture and both basally and apically to form well-defined pale discal maculae........................................................... L. insulatestudinorum Thomas, 2014 — Head and pronotum usually bright testaceous. Elytra darkly infuscate along suture and/or basally, not forming pale maculae19 19(18).Frontoclypeal suture present, barely defined at middle. Lateral margins of pronotum irregularly denticulate. Elytra infuscate at base and along sutural margin. Parameres with large basal setae extending well beyond apex of parameres................................................................................................ L. suturalis Reitter, 1876 — Frontoclypeal suture indistinct. Lateral margins of pronotum mostly inerm. Elytra barely infuscate at base. Parameres without large basal setae.............................................................. L. corporeflavus Thomas, 2014