Hollowarbela, Yakovlev & Zolotuhin, 2020

Yakovlev, Roman V. & Zolotuhin, Vadim V., 2020, Revision of the family Metarbelidae (Lepidoptera) of the Oriental Region. I. Introduction and genera Encaumaptera Hampson 1893, Orgyarbela gen. nov., and Hollowarbela gen. nov., Ecologica Montenegrina 38, pp. 84-101 : 97

Genus Hollowarbela gen. nov.

Type species (here designated): Indarbela kinabalua Holloway, 1976 .

Description. Medium sized, firmly built species with wide thorax. Antenna bipectinate, crest processes twice longer than antenna rod diameter in medium part. Antenna equal to ½ of fore wing costal edge length. Fore wing pale brown, narrow, with dense dotty dark-brown pattern, more developed at costal edge and cubitally, apex sharp. Hind wing light-brown, with poorly developed reticulated pattern throughout all wing.

Male genitalia. Uncus large, long, slightly extending apically, apex rounded; tegumen of medium size; gnathos arms very short, not fused, gnathos reduced; costal edge of valve smooth, abdominal edge slightly curved in medium third, strongly sclerotized, small dentate process on border between proximal and medium third of abdominal edge, outer edge of valve semicircular; juxta small, with small slightly curved lateral processes. Phallus simple, tabulate, vesica without cornuti.

Female unknown.

Diagnosis. The genus has the following distinctive features: the robust thorax, the fore wing with a specific fine spotty pattern and a sharp apex, the non-split clavately expanding robust uncus, the sclerotized abdominal edge of the valve and the vesica without cornuti.

Composition. A monotypic genus.

Etymology. The new Genus is named after Dr. Jeremy D. Holloway, a well-known British entomologist – specialist in Oriental Fauna.

Distribution. Known only from Northern Borneo ( Fig. 27 ).

Figures

Figure 27. Distributional map of genus Encaumaptera Hampson, 1893.