Aleochara Gravenhorst, 1802,

Caron, Edilson, Moussallem, Marcelo & Bortoluzzi, Sidnei, 2019, Revision of Brazilian species of Aleochara Gravenhorst of the subgenus Aleochara (Coleoptera: Staphylinidae: Aleocharinae), Zootaxa 4712 (1), pp. 1-33: 2

Aleochara Gravenhorst, 1802  Edit

Aleochara Gravenhorst, 1802: 67  Edit . Type species: Staphylinus curtulus Goeze, 1777  Edit (= Staphylinus fuscipes sensu Gravenhorst, 1802  Edit ). Note: for a complete discussion of the type species of Aleochara  Edit , see Smetana (2004: 30). For a genus group synonymy and species list see Newton (2019). For a phylogenetic study see Maus et al. (2001) and Song & Ahn (2013).

In general, the species of Aleochara  Edit have body compact and robust, diverse in shape, small (less 4mm) to large (up to 10mm). Brownish to black, sometimes with elytra and abdominal apex lighter. Head somewhat circular; frons triangularly produced and sharply pointed; antennae 11-segmented, somewhat clavate; and maxillary and labial palpus with apical pseudosegment (respectively 5 and 4-segmented). Pronotum larger than head, transverse, basal width as wide as elytra. Mesocoxal cavities separated, mesoventral process long (almost reaching posterior portion of mesocoxae), longitudinally carinate or not. Tarsal formula 5-5-5 (except subgenus Tinotus  Edit 4-5-5). Abdomen gradually narrowed posteriorly; first three visible terga deeply transversely impressed basally ( Klimaszewski 1984; Yamamoto & Maruyama 2012, 2016a, b).