Nepalota prominula, Assing, 2015

Assing, Volker, 2015, On the Nepalota fauna of China (Coleoptera: Staphylinidae: Aleocharinae: Athetini), Linzer biologische Beiträge 47 (1), pp. 207-248 : 239-242

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Nepalota prominula


Nepalota prominula nov.sp.

( Figs 117-127 View Figs 117-127 , Map 6 View Map 6 )

Type material: Holotype ♂: " CHINA: N-Yunnan [C2005-12], Nujiang Lisu Aut. Pref., Gongshan Co., Gaoligong Shan , 2500 m, 27°45.404'N, 98°35.749'E, litter & debries [sic] at snowfield sifted during rain, 19.VI.2005, M. Schülke / Holotypus ♂ Nepalota prominula sp.n. det. V. Assing 2015 " ( cAss) GoogleMaps . Paratypes: 2♂♂, 1♀: same data as holotype (cSch, cAss).

Etymology: The specific epithet (Latin, adjective: prominent) alludes to the pronounced median granule of the male tergite III.

Description: Abdomen completely blackish; antennomere I blackish-brown, as dark as antennomeres II-XI or nearly so. Other external characters ( Figs 117-118 View Figs 117-127 ) as in N. tuberifera .

♂: tergite III with pronounced median protuberance ( Fig. 119 View Figs 117-127 ); tergite VII with weakly pronounced median elevation, this elevation with denser punctation and more distinct microreticulation; tergite VIII ( Figs 120-121 View Figs 117-127 ) with truncate and weakly crenulate posterior margin; sternite VIII ( Fig. 122 View Figs 117-127 ) longer than tergite VIII and strongly projecting posteriorly, middle of posterior margin truncate; median lobe of aedeagus ( Figs 123-124 View Figs 117-127 ) 0.53 mm long; ventral process and internal structures of distinctive shapes; paramere longer than median lobe and with moderately slender apical lobe.

♀: tergite VIII ( Fig. 125 View Figs 117-127 ) with strongly convex posterior margin; sternite VIII ( Fig. 126 View Figs 117-127 ) broadly convex posteriorly; spermatheca ( Fig. 127 View Figs 117-127 ) approximately 0.3 mm long.

Comparative notes: As can be inferred from the highly similar modifications of the male tergites III and VII, as well as from the similar morphology of the aedeagus and the practically identical shape of the spermatheca, N. prominula is most closely allied to N. tuberifera , from which it is distinguished by the darker coloration of antennomere I, the nearly uniformly blackish abdomen, the differently shaped male tergite and sternite VIII, the shape of the ventral process of the aedeagus (less strongly excavate at base in lateral view), the shapes of the internal structures of the aedeagus, and the more strongly convex posterior margin of the female tergite VIII.

Distribution and natural history: Thetypelocalityissituatedin the northern Gaoligong Shan in northwestern Yunnan ( Map 6 View Map 6 ). The specimens were sifted from litter and debris near a snowfield at an altitude of 2500 m.













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