Emus Leach, 1819

SMETANA, ALEŠ & DAVIES, ANTHONY, 2000, Reclassification of the North Temperate Taxa Associated with Staphylinus Sensu Lato, Including Comments on Relevant Subtribes of Staphylinini (Coleoptera: Staphylinidae), American Museum Novitates 3287, pp. 1-1 : 1-

Emus Leach, 1819

TYPE SPECIES: Staphylinus hirtus Linne´, 1758 .

COMMENTS: Species of this genus are quite distinctive by the long, matted, black, golden­yellow, and whitish­gray pubescence of the body, and by the characters used in the key to genera.

Further character states include: mandible with small rectangular tooth basad of large middle tooth; mandibular prostheca long, parallel­sided, with ciliae only near apex; postmandibular ridge rudimentary; palpifer with several apical and many discal, coarse setae; mentum with arcuate carina between basal angles, separating ellipsoidal membranous basal portion from small anterolateral sclerotized portions, which are deflected anterolaterad and bear a cluster of setae; superior and inferior lines of pronotal hypomeron connected just behind posterolateral angle of prosternum; deflected portion of pronotal disc visible in ventral view from near posterior margin of proepimeron, which is well developed and membranous; sternacostal ridge bisinuate, transverse, roughly parallel to anterior prosternal margin; anterior projection of metasternum very broad, margins obsolete.