Abstract
5 species of the genus Apha Walker, 1855 are included here under the floralis group, three of which are described as new: A. zephyrussp. nov. (type locality: China, Yunnan, Dianceng Shan, 2.200 m), A. wittisp. nov. (type locality: China, Sichuan, Qionglai Shan, 1.400 m) and A. chloralissp. nov. (type locality: Vietnam, Cha Val, Nam Giang, Quang Nam, 546 m). Types of all species are illustrated, biology and morphology of preimaginal instars are discussed for A. kantonensis Mell, [1930] and A. chloralissp. nov. A new synonymy for Apha Walker, 1855 and Preptothauma Draudt, 1931 (including a single mislabeled species P. oxydiata Draudt, 1931), syn. nov. is established.
Highlights
This article forms part of a planned revision of the genus Apha Walker, 1855, a group of tropical monkey moths which are endemic to southeastern Asia but not known to extend to Sundaland.During work with the Vietnamese members of the family, identification proved to be problematic; reference data were fragmentary and often controversial, there were no data on genitalic characters of some species, and great taxonomic confu-Copyright Vadim V
This article is devoted to the first group of species, which, according to literary data, includes only two congeners: A. floralis Butler, 1881 and A. kantonensis Mell, [1930]
Material for this article comprises eggs and caterpillars of all instars reared by the junior author in Hanoi ex ovo from the original material taken by him in Central Vietnam
Summary
This article forms part of a planned revision of the genus Apha Walker, 1855, a group of tropical monkey moths which are endemic to southeastern Asia but not known to extend to Sundaland. Preliminary investigation of material from various museums, those housing the types, and of our own material, has shown that the genus includes a total of 16 species, 7 of which are not described. This article is devoted to the first group of species, which, according to literary data, includes only two congeners: A. floralis Butler, 1881 and A. kantonensis Mell, [1930]. They are characterized by the bright yellow coloration of the external margin of the hind wings and in the male genitalia by the lack of any saccular process, the short aedeagus and the vesica lacking an appendix. Three additional species are described in this article as new
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