Hylomus hostilis ( Golovatch & Enghoff, 1994 )

Nguyen, Anh D., Nguyen, Manh-Ha, Nguyen, Thu-Anh T. & Phung, Hong-Luong T., 2019, Review of Dragon Millipedes (Diplopoda, Polydesmida, Paradoxosomatidae) in the Fauna of Vietnam, with Descriptions of Three New Species, Zoological Studies 58 (14), pp. 1-31 : 9

Hylomus hostilis ( Golovatch & Enghoff, 1994)

( Figs. 1 , 9−10 )

Desmoxytes hostilis Golovatch & Enghoff, 1994: 50−51 , figs. 11−20. Hylomus hostilis: Srisonchai et al. 2018a: 10 .

Material examined: 1 male, 1 female (IEBR-Myr 601) Vinh Phuc Province, Tam Dao National Park, on the way to Tam Dao 2, 1,100 m, 25 February 2017, coll. Anh D. Nguyen.

Diagnosis: The species can be recognised by the combination of the following characters: paraterga spine-shaped; metaterga with 2 + 2 posterior tubercles/ spines; antenna short and stout; male leg femora 6 and 7 inflated, with modifications ( Fig. 9 ); gonopod femorite subequal to postfemoral region in length; solenophore pointed terminally ( Fig. 10 ).

Previous records: Vinh Phuc Province (Tam Dao National Park) ( Golovatch and Enghoff 1994).

Distribution: Only known from northern Vietnam.

Anterior part, lateral view (A), dorsal view (B), ventral view (C). Midbody part, dorsal view (D). Posterior part, lateral view (E), dorsal view (F), ventral view (G). Hypoproct and epiproct, ventral view (H). No scale bars were inserted while taking photographs for this figure. This figure emphasises colouration, shapes of collum (Co), paraterga, metaterga (Me), pleura (Ple), sterna (Ste), epiproct (Epi) and hypoproct (Hy).

Figures

Fig. 1. Distribution of Hylomus species in mainland Vietnam. 1: Hoang Lien National Park (Sa Pa, Lao Cai Province); 2: Nam Xay Commune (Van Ban District, Lao Cai Province); 3: Duc Xuan Commune (Bac Quang District, Ha Giang Province); 4: Xuan Son National Park (Phu Tho Province); 5: Tam Dao (Vinh Phuc Province); 6: Cuc Phuong National Park (Ninh Binh Province); 7: Phong Nha – Ke Bang National Park (Quang Binh Province); 8: Lien Chieu District (Da Nang Province); 9: Ba Na National Park (Da Nang Province); 10: Lo Xo Pass (Kon Tum Province); 11: Ngoc Linh Mt. (Kon Tum Province); 12: Kon Chu Rang Natural Reserve (Gia Lai Province); 13: Buon Ho District (Dak Lak Province); 14: Hon Ba Mt. (Khanh Hoa Province); 15: Phan Rang (Ninh Thuan Province); 16: Cat Tien National Park (Dong Nai Province).

Fig. 9. Hylomus hostilis (Golovatch & Enghoff, 1994) from Tam Dao National Park.

Fig. 10. Hylomus hostilis (Golovatch & Enghoff, 1994) from Tam Dao National Park. Left gonopod, mesal view (A), lateral view (B). Scale bar = 0.5 mm.