Barsine siberuta Volynkin & Černý, Volynkin & Černý, 2019

Volynkin, Anton V. & Černý, Karel, 2019, A review of the Barsine inflexa Moore, 1878 and the B. flavodiscalis (Talbot, 1926) species-groups, with descriptions of six new species from Indochina, India and China (Lepidoptera, Erebidae, Arctiinae), Zootaxa 4668 (4), pp. 543-561: 553-561

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Barsine siberuta Volynkin & Černý

sp. nov.

Barsine siberuta Volynkin & Černý   , sp. nov.

( Figs 30, 31 View FIGURES 24–31 , 43 View FIGURES 40–43 , 53 View FIGURES 48–53 )

Type material. Holotype ( Figs 30 View FIGURES 24–31 , 43 View FIGURES 40–43 ): ♁, “ Indonesia, Siberut Island , Mt. Malancan, 17–20.I.2004, leg. Jakl ”, slide MWM 34599 View Materials Volynkin (Coll. MWM / ZSM).  

Paratypes: 2 ♁, 2 ♀, same data as in the holotype (Coll. MWM / ZSM); 5   ♁, 3 ♀, W Sumatra, Siberut Island , Labuhan Bajan, 100m, 0°58’S 98°56’E, Januar 2004, leg. St. Jakl, slide MWM 34600 View Materials (♀) GoogleMaps   Volynkin (Coll. MWM / ZSM).

Diagnosis. Forewing length is 12–12.5 mm in males and 14–14.5 mm in females. Barsine siberuta   is a closest relative of B. cruciata   , from which it differs externally by its more curved costal margin of forewing, the presence of a blackish brown dot at hind end of the discal vein in the forewing cell, the absence of a yellowish discal spot in the cell, and shorter longitudinal blackish brown strokes in the postmedial area. The male genitalia of the new species are similar to those of B. cruciata   , but can be distinguished by their longer uncus, vinculum being apically pointed, more elongated distal membranous lobe of valva, smaller and basally narrower distal saccular process, longer medial saccular process, narrower aedeagus, narrower vesica and narrower base of the largest cornutus. The female genitalia of B. siberuta   differ from those of B. cruciata   by their narrower ductus bursae, narrower corpus bursae and slightly narrower appendix bursae.

Distribution. Indonesia (the Mentawai Islands: Siberut Island).

Etymology. The species name refers to its type locality, the Island of Siberut at the western coast of Sumatra Island.


Bavarian State Collection of Zoology