Bathyllia plumbea, Bordoni, Arnaldo, 2010

Bordoni, Arnaldo, 2010, Xantholinini from the Australian and Oriental Regions. New genus, new species and new records (Coleoptera, Staphylinidae). 208 ° contribution to the knowledge of the Staphylinidae, Zootaxa 2538, pp. 38-46 : 39

Bathyllia plumbea n. sp.

Type material. Holotype 3: Australia: Australian Capital Territory, Namadgi N. P., 5 km WNW Mt. Clear, 35.52S, 149.01E, M. Hansen 20.X.1988 ( ZMUC).

Description. Body black, large and robust, 18 mm long; length from anterior margin of head to posterior margin of elytra: 11 mm; legs black brown; elytra with dark bluish reflexes. Head, pronotum and elytra entirely covered by very fine and deep polygonal microreticulation; abdomen with fine and deep transversal microstriation. Head with a few punctures as in fig. 1. Pronotum with small puncture near anterior angles and with a median longitudinal, superficial linear protrusion. Elytra with very superficial serial punctation, arranged in a series near suture, one mediane and one at lateral margin. Abdomen with fine scattered punctation, especially at lateral margins.

Male genital segment as in fig. 9; sternite as in fig. 10. Aedeagus (fig. 11), very large (4.8 mm long), subcircular, without reduced median lobe present in Thyreocephalus , similar to the bulbus of Phacophallus Coiffait , with small, symmetrical parameres; internal sac ribbon-like, covered by fine scales.

Distribution. Known from the type locality only.

Etymology. From the Latin plumbeus - a - um (leaden), for the look of the body.

Bionomics. The holotype of this very interesting species was collected from a dead kangaroo.