Monday, June 14, 2021

[Entomology • 2021] Chlorogomphus danhkyi • A New Species of Chlorogomphus (Odonata: Chlorogomphidae) from Vu Quang National Park, central Vietnam, with Notes on Other Congeners from the Park

Chlorogomphus (Orogomphus) danhkyi 
Phan, Karube, Hung & Anh, 2021

Chlorogomphus danhkyi sp. nov. (Holotype ♂: Khe Ro, Vu Quang National Park, Ha Tinh Province, 15.0444 N, 107.9270 E, altitude 1480 m) based on both sexes is described. The new species differs from Chlorogomphus piaoacensis Karube, 2013 mainly by the shape of male cerci. Other species of Chlorogomphus Selys, 1854 from Vu Quang National Park are also recorded.

FIGURES 1-11. Features of Chlorogomphus danhkyi sp. nov., holotype ♂ & paratype ♀.
 (1) head & thorax ♂; (2) head & thorax ♀; (3, 4), head ♂, frontal and dorsal view; (5, 6), head ♀, frontal and dorsal view; (7), accessory genitalia; (8, 9), vesica spermalis in lateral and ventral view; (10, 11), abdominal tip ♀, lateral and ventral view.

FIGURES 12-13. Habitus of Chlorogomphus danhkyi sp. nov. (12), holotype ♂ & (13), paratype ♀. Measurements in centimeters.

FIGURES 20-25. Appendages of Chlorogomphus spp., ♂. (20, 21), C. nasutus; (22, 23), C. sachiyoae; (24, 25), C. tunti.

  Chlorogomphus (Orogomphusdanhkyi sp. nov.

Etymology: Danhkyi, a noun in genitive case, derived from the name of the director of Vu Quang National Park, Mr. Nguyen Danh Ky, to honor his strong support for the authors field surveys in the national park.  

FIGURES 26-28. Habitats and distribution of Chlorogomphus spp. (26, 27), Khe Ro; (28), distribution of Chlorogomphus danhkyi sp. nov. (yellow circle) and C. piaoacensis (red circle).



Quoc Toan Phan, Haruki Karube, Nguyen Viet Hung and Tran Dinh Anh. 2021. Description of Chlorogomphus danhkyi sp. nov. from Vu Quang National Park, central Vietnam with Notes on Other Congeners from the Park (Odonata: Chlorogomphidae). Zootaxa. 4985(1); 102–110. DOI:  10.11646/zootaxa.4985.1.6