Friday, January 10, 2025

[Diplopoda • 2025] Hylomus piccolo & H. borealis • Two New Dragon Millipedes (Polydesmida: Paradoxosomatidae: Hylomus) from Limestone Mountains in northern Vietnam, with an identification key to Vietnamese Hylomus species [Mountainous Millipedes in Vietnam. III]


 Hylomus piccolo
 A. D. Nguyen, Vu & T.-A. T. Nguyen, 2025 


Abstract
Two new species of the dragon millipede genus Hylomus Cook & Loomis, 1924 are described from mountainous areas in northern Vietnam, namely Hylomus piccolo sp. nov. and Hylomus borealis sp. nov. The COI barcodes are provided for these species, and an identification key is presented to all Vietnamese Hylomus species.

Key words: Biodiversity, COI barcode, mountainous fauna, Southeast Asia, taxonomy

 Hylomus piccolo sp. nov., holotype (IEBR-Myr 904H)
A, B anterior-most body part, lateral view (A), ventral view (B)
C head, anterior view D body rings 8–10, dorsal view.
Scale bars: 1 mm.

Class Diplopoda de Blainville in Gervais, 1844
Order Polydesmida Pocock, 1887

Family Paradoxosomatidae Daday, 1889

Genus Hylomus Cook & Loomis, 1924

 Hylomus piccolo sp. nov.

Etymology: The name refers to “piccolo”, a main character of the Japanese manga “Dragon balls” by Toriyama Akira (Japan). Noun in apposition.


 Hylomus borealis sp. nov.

Etymology: An adjective epithet “borealis” refers to the northern-most province (Cao Bang) of Vietnam, the type locality.


 Anh D. Nguyen, Tam T. T. Vu and Thu-Anh T. Nguyen. 2025. Mountainous Millipedes in Vietnam. III. Two New Dragon Millipedes from Limestone Mountains in northern Vietnam (Polydesmida, Paradoxosomatidae, Hylomus), with an identification key to Vietnamese Hylomus species. ZooKeys. 1223: 247-262. DOI: doi.org/10.3897/zookeys.1223.139649