Nephelomilta bana Volynkin & Černý, 2018

Volynkin, Anton V. & Černý, Karel, 2018, Revision of the genus Nephelomilta Hampson, 1900, with descriptions of twelve new species and two new subspecies (Lepidoptera, Erebidae, Arctiinae), Zootaxa 4472 (3), pp. 401-451 : 415-416

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Nephelomilta bana Volynkin & Černý

sp. nov.

Nephelomilta bana Volynkin & Černý   , sp. nov.

( Figs. 46, 47 View FIGURES 37–49 , 105 View FIGURES 105–107 )

Type material. Holotype ( Figs. 46 View FIGURES 37–49 , 105 View FIGURES 105–107 ): ♂, “ VIII.2015, Central Vietnam, Da Nang Province, Ba Na Mt. , 1450 m, leg. Le Luong Thanh ”, slide AV1620 ♂ Volynkin (Coll. NHMUK, ex coll. CAV).  

Paratype: 1 ♂, the same data as in the holotype (Coll. CAV).

Diagnosis. Length of forewing is 12–12.5 mm in males. The new species is very similar externally to N. sumatrana effractoida   ssp. nov   . and N. hortensis fansipana   , ssp. nov   ., which are also distributed in Vietnam, differs from them only in its slightly larger size and slightly narrower forewings, and can be certainly distinguished from both species only by the genitalia structures, which are clearly different from those of N. sumatrana effractoida   ssp. nov   . and are more similar to those of N. hortensis fansipana   , ssp. nov   ., but differ in the valve significantly narrower distally, the apical costal lobe heavily sclerotized, elongated, thorn-like, and apically pointed, the ventral costal plate directed at a greater angle to the costa, the slightly larger ampulla, the reduced subapical saccular process presented as a small rounded protrusion, the shorter aedeagus with the larger spikes on the carinal plate, the significantly more numerous spines on the medial diverticulum of vesica, and the weaker and less numerous spines on the tip of the medial diverticulum.

The female is unknown.

Distribution. Central Vietnam (Da Nang Province).

Etymology. The species name refers to its type locality, Mount Ba Na in Central Vietnam.


Natural History Museum, London