Cypha ampliata, Assing, 2010

Assing, V., 2010, On the Cypha fauna of China, with remarks on some species described from other regions (Coleoptera: Staphylinidae: Aleocharinae: Hypocyphtini), Linzer biologische Beiträge 42 (2), pp. 1169-1176 : 1172-1174

Cypha ampliata nov.sp. ( Figs 9-14 )

T y p e m a t e r i a l: Holotype [right antenna and left antennomere X missing]: " China - Yunnan, Gaoligong Shan, pass SW Baoshan, 4.-6.VI.2006, Jeniš / Holotypus Cypha ampliata sp. n. det. V. Assing 2010" (cAss).

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E t y m o l o g y: The name (Latin, past participle of ampliare: to dilate, to amplify) refers to the apically dilated ventral process of the aedeagus (ventral view).

D e s c r i p t i o n: Body length 2.0 mm; length from head to posterior margin of elytra: 1.0 mm; width of pronotum: 0.75 mm. Habitus as in Fig. 10 . Coloration: body blackish, with the lateral margins of the pronotum diffusely yellowish and the abdominal apex somewhat paler; legs dark-brown; antennae with antennomeres I-V yellowish and VI-IX gradually darkened apically.

Head strongly transverse; punctation fine, moderately dense; interstices without distinct microsculpture. Eyes moderately large, almost reaching posterior angles of head. Antennae slender ( Fig. 9 ), antennomeres VI-IX oblong and distinctly longer than the preceding antennomeres; shape of antennomere X unknown.

Pronotum strongly transverse, approximately twice as wide as long and approximately 1.5 times as wide as head; punctation as fine as that of head; interstices without evident microsculpture.

Elytra slightly wider than, and at suture approximately 1.1 times as long as pronotum; punctation fine, denser than that of pronotum; interstices without evident microsculpture. Hind wings (fully?) developed. Protarsomere I elongated and enlarged (sexual dimorphism?), much broader and much longer than the combined length of the two following tarsomeres. Metatarsomere I elongated, but somewhat shorter than the combined length of metatarsomeres II-IV.

Abdomen with punctation somewhat denser and finer on anterior than on posterior ter-

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gites; microsculpture very shallow or obsolete; posterior margin of tergite VII with palisade fringe.

: posterior margin of tergite VIII broadly convex; posterior margin of sternite VIII more strongly convex; median lobe of aedeagus 0.45 mm long; ventral process moderately slender, moderately arched in lateral view, and apically spoon-shaped in ventral view; internal sac with clasp-shaped sclerotized basal structure and with long membranous structure ( Figs 11-14 ).

C o m p a r a t i v e n o t e s: From C. sinorum , C. ampliata is distinguished by darker coloration, the more slender body, the more slender antennae with longer antennomeres VI-VII, and the different shape of the median lobe of the aedeagus. For illustrations of the habitus and the aedeagus of C. sinorum see PACE (2010). From C. hebes , it is separated by larger size, the broader body, a more transverse pronotum, and the larger and differently shaped aedeagus; for illustrations of C. hebes see Figs 3-6.

D i s t r i b u t i o n a n d n a t u r a l h i s t o r y: The species is known only from the type locality in western Yunnan province, China. Bionomic data are not available.

4. Species transferred to other genera

Figures

Figs 1-9: Cypha hebes nov.sp. (1-6), C. laeviuscula (MANNERHEIM) (7-8), and C. ampliata nov.sp. (9): (1) habitus; (2, 9) antenna; (3, 7) median lobe of aedeagus in lateral view; (4, 8) apical portion of median lobe of aedeagus in lateral view (4: external sac, including basal internal structure, extruded); (5-6) apical portion of ventral process of aedeagus in ventral view. Scale bars: 1: 1.0 mm; 2-9: 0.1 mm.

Figs 10-14: Cypha ampliata nov.sp.: (10) habitus; (11) median lobe of aedeagus in lateral view; (12) median portion of median lobe of aedeagus in lateral view; (13) ventral process of aedeagus in ventral view; (14) apical portion of ventral process of aedeagus in ventral view. Scale bars: 10: 1.0 mm; 11-13: 0.1 mm; 14: 0.05 mm.