Barsine bucseki Volynkin & Černý, 2018

Volynkin, Anton V. & Černý, Karel, 2018, Revision of the Barsine zebrina species-complex, with description of three new species (Lepidoptera, Erebidae, Arctiinae, Lithosiini), Zootaxa 4402 (2), pp. 339-352: 346-350

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Barsine bucseki Volynkin & Černý

sp. nov.

Barsine bucseki Volynkin & Černý   , sp. nov.

( Figs. 17–20 View FIGURES 13–20 , 37, 38 View FIGURES 35–38 , 45 View FIGURES 42–47 )

Type material. Holotype ( Figs. 17 View FIGURES 13–20 , 37 View FIGURES 35–38 ): ♂, SW Thailand, prov   . Ranong, Ranong, 380 m, 10°01'32''N 98°40'13'' E, 3–4.XII.2005, leg. K. Černý, slide AV2759 ♂ Volynkin (Coll. MWM/ ZSM, ex coll. CKC). GoogleMaps  

Paratypes: 3 ♂, 2 ♀, same data as in the holotype, slide AV2762 ♀ Volynkin ( Coll. CKC)   ; 2 ♀, SW Thailand, Chumphon, Pa Toh, Ban Lang Tang, 162 m, 9°46'5''N, 98°46'59''E, 19, 21.XI. 2006 leg. K. Černý, slide AV2761 ♀ Volynkin ( Coll. CKC) GoogleMaps   ; 5 ♂, 7 ♀, same locality, but ex ovo GoogleMaps   , ♀ coll. 2-3.XII.2007, leg. K. Černý, slides T 194♂ Černý, AV2759 ♂ Volynkin ( Coll. CKC); SW Thailand, Ranong, Ranong , 380 m, 10°01'32''N, 98°40'13''E, 17, 20.XI. 2006 GoogleMaps   , leg. K. Černý (Coll. CKC); 2 ♀, Malaysia, Pahang distr., Cameron Highlands, Kampung Kuala Boh vill. env., N4°27.9', E 101°34.8'E, 850–1050 m, 26.III.-3.IV.2001   , K. Bucsek leg., slide MWM 3 3644 Volynkin (♀) ( Coll. MWM/ ZSM)   ; 5 ♀, Malaysia, Perak, Cameron Highlands North , 7 km south of road 4, 5°33'06.02''N, 101°36'44.42''E, 750-800 m, 25.III.–02.IV.2014 GoogleMaps   , leg. Karol Bucsek, slide MWM 33662 View Materials Volynkin (♀) ( Coll. MWM/ ZSM)   .

Diagnosis. Forewing length is 9–10 mm in males and 10–11 mm in females. Externally, the species ( Figs. 17– 20 View FIGURES 13–20 ) is similar to B. pluma   ( Figs. 13–16 View FIGURES 13–20 ) due to its interrupted medial line, but differs by the slightly smaller size. The main differences are in the genitalia structures: in the male genitalia, B. bucseki   sp. nov. ( Figs. 37, 38 View FIGURES 35–38 ) has broader medial costal process, more robust distal costal process, larger, trigonal basal lobe of sacculus, shorter distal saccular process with tapered tip, much larger basal diverticulum of vesica with stronger granulation, larger subapical diverticulum, and a field of scobination in the largest medial diverticulum, whereas in B. pluma   ( Figs. 35, 36 View FIGURES 35–38 ) the medial costal process is significantly narrower, the distal costal process is much thinner, the trigonal basal lobe of sacculus is narrower, with more smoothly curved dorsal margin, the distal saccular process is significantly longer, slightly curved distally and pointed apically, the basal diverticulum of vesica is smaller, has weaker granulation, the subapical diverticulum is much smaller, and the largest medial diverticulum has a field of small, but robust cornuti; in the female genitalia, B. bucseki   sp. nov. ( Fig. 45 View FIGURES 42–47 ) differs clearly from B. pluma   ( Fig. 44 View FIGURES 42–47 ) by its much narrower, more or less V-like postvaginal plate, V-shaped ostium bursae with sclerotized margins, longer ductus bursae with ribbed sclerotization anteriorly, and much larger appendix bursae, whereas in B. pluma   the postvaginal plate is much broader, T-like with lateral lobes curved posteriorly, the ductus bursae is shorter and evenly membranous, and the appendix bursae is much smaller.

Distribution. Malay Peninsula ( Malaysia and South Thailand: Chumphon and Ranong provinces). The species erroneously reported for peninsular Malaysia by Bucsek (2012) as B. pluma   .

Etymology. The species name is dedicated to Mr. Karol Bucsek, a famous researcher of the Arctiinae   fauna of Malay Peninsula.


Bavarian State Collection of Zoology