Lathrobium (Lathrobium) pedale LeConte, 1863

Lathrobium pedale LeConte, 1863: 43.

Type material.

Lectotype, Lathrobium pedale LeConte, herein designated (MCZ): "La. / ♂ / [handwritten] L. pedale Lec. / [red] Type 6454 / Lectotype Lathrobium pedale LeConte Desg. Haberski & Caterino."

Other material.

USA: North Carolina: Swain Co.: Hazel Creek, Great Smoky Mountains National Park, 18 Jul 2003, S. L. Staines, C. Ware (1, LSAM) . South Carolina: Colleton Co.: Canadys, 30 Jul 1993, J. C. Ciegler (1, CUAC); Kershaw Co.: Wateree Floodlands Memorial Forest, 13 Apr, 2021, C. Harden, pine stump/flood debris (1, CUAC) . Virginia: Botetourt Co.: Solitude Swamp, 28 Jun 2018, C. Harden, deep oak litter on swamp margin (1, CUAC) .

Diagnosis.

This species closely resembles L. amplipenne, L. armatum, and L. praelongum in external morphology, but differs in the primary and secondary sexual characters. Males of L. pedale have a large emargination on sternite VIII, where the aforementioned species have small emarginations or none at all. They also lack a dorsal plate of the aedeagus. Females differ from the three aforementioned species by having valvifers and coxites fully divided.

Description.

Large species, body length 9 mm; body coloration dark red, appendages lighter red or yellow. Gular sutures converging, nearly touching posteriorly; antennomeres V-VII as wide as long. Elytra as long as pronotum. Females with paraprocts undivided, apices shorter than basal portion; sternite VIII weakly oblong. Genitalia as in Fig. 46.

Distribution.

USA: LA, NC, SC, VA.