Achanius ( Achanius ) Erichson, 1847

Flores, Gustavo E. & Aballay, Fernando H., 2015, Two Evaniosomini Species (Coleoptera: Tenebrionidae) Associated with Decaying Carcasses in Argentina, with Remarks on the Tribal Assignment of Achanius Erichson, The Coleopterists Bulletin (mo 14) 69, pp. 167-179 : 174

Subgenus Achanius ( Achanius) Erichson, 1847

( Fig. 13 )

Achanius Erichson 1847: 118 .

Achanius ( Achanius) : Kulzer 1950: 36 (revision); Kulzer 1956: 898 (revision).

Type species: Achanius anthicoides Erichson, 1847 , by monotypy.

Diagnosis. Kulzer ( 1950 in key) stated the humeri are not elevated and hind wings are absent. This study: metasternum 2X length of mesosternum; metacoxal width twice metacoxal length; distance between meso– and metacoxae exceeding metacoxal length but not longer than 1.5X metacoxal length.

Biology. Species of Achanius ( Achanius) are apterous and have been collected under stones or using pitfall traps partly filled with water and propylene glycol ( Flores et al. 2004; Lagos 2004).

Species included. Achanius anthicoides , A. bembidioides , Achanius ( Achanius) castanescens Fairmaire , Achanius ( Achanius) piceofuscus Fairmaire , A. minutus , Achanius ( Achanius) obscurus Kulzer , Achanius ( Achanius) peruensis Kulzer , Achanius ( Achanius) puncticollis Kulzer , and Achanius ( Achanius) angusticollis Kulzer ( Kulzer 1950, 1956).

Figures

Figs. 13–16. Dorsal habitus. 13) Achanius (Achanius) anthicoides, syntype (Image courtesy of Bernd Jaeger, MNHUB); 14) Achanius (Ambigatus) antofagastensis, holotype; 15) A. antofagastensis, paratype showing reduced wings (white); 16) Achanius (Ambigatus) wittmeri, holotype (Image courtesy of Eva Sprecher, NHMB. Scale bars = 1 mm.