Thirteen new species of genera Dichomeris Hubner, 1818 and Helcystogramma Zeller, 1877 (Lepidoptera, Gelechiidae, Dichomeridinae) with twenty-one newly recorded species from Vietnam

摘要

Twelve new species of the genus Dichomeris Hubner, 1818 and one new species of the genus Helcystogramma Zeller, 1877 of the subfamily Dichomeridinae of Gelechiidae are described from Vietnam, in combination with Chinese specimens. The new species are D. fascialobella Park Li, sp. nov., D. flavimaculata Park Li, sp. nov., D. infundibularis Park Li, sp. nov., D. lancea Park Li, sp. nov., D. longivalvata Park Li, sp. nov., D. marginalis Park Li, sp. nov., D. myriaodontosa Park Li, sp. nov., D. ochriella Park Li, sp. nov., D. quadratella Park Li, sp. nov., D. sclerospinula Park Li, sp. nov., D. spinosella Park Li, sp. nov., D. unilobata Park Li, sp. nov., and Helcystogramma albimacularis Park Li, sp. nov. In addition, eighteen Dichomeris species and three Helcystogramma species are reported for the first time from Vietnam, and of these, four previously unknown female are firstly found and described: Dichomeris parvisexafurca Li, Zhen Kendrick, 2010, Dichomeris argentenigera Li, Zhen Kendrick, 2010, Dichomeris splendiptera Li Park, 2017 and Dichomeris parallelosa Park Ponomarenko, 1998. Images of adults and genitalia for the new species and newly reported species including the firstly described females are provided.