ACANTHINUS ARGENTINUS (PIC) NEWLY ESTABLISHED IN THE SOUTHEASTERN UNITED STATES (COLEOPTERA: ANTHICIDAE)

摘要

Specimens of Acanthinus argentinus (Pic, 1913),a fast-running, ant-mimicking beetle (Figs. 1, 2) were collected at lights at night in southern Louisiana during September 2009. Werner (1970a) provided a habitus illustration and line drawing of the prothorax that permitted positive identification. This species may be distinguished from the two other Acanthinus LaFérte-Senéctère species in North America that have a transverse pronotal impression (anterior to basal impressed line) as follows (key modified from Werner 1970a, b):