Hylomus specialis ( Nguyen, Golovatch & Anichkin, 2005)

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 : 11

Hylomus specialis ( Nguyen, Golovatch & Anichkin, 2005)

( Figs. 1 , 14 )

Desmoxytes specialis Nguyen, Golovatch & Anichkin, 2005: 254−255 , figs. 14−19.

Hylomus specialis: Srisonchai et al. 2018a: 11 .

Material examined: 1 male (IEBR-29) Kon Tum Province, Ngoc Linh Mt., primary forest, 2,000 m, 25 March 2004, coll. Anh D. Nguyen; 1 male (IEBR-41) same locality, secondary forest, 1,800 m, 11 April 2004, coll. Anh D. Nguyen; 2 males, 1 female (IEBR-67) same locality, primary forest, 1,700 −1,900 m, 21 March − 9 April 2006, coll. Anh D. Nguyen.

Diagnosis: The species can be distinguished from its congeners by its darkish brown colouration; antenna being long; metaterga having two transverse rows of spines; paraterga being spine-shaped, long and increasingly pointed, with two additional spines at base caudolaterally; gonopod solenophore and solenomere being very long; spine z modest; femorite slightly curved ( Fig. 14 ).

Previous records: Kon Tum Province (Ngoc Linh Mt.) ( Nguyen et al. 2005).

Distribution: Only known from the Highland of Vietnam.

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. 14. Hylomus specialis (Nguyen, Golovatch & Anichkin, 2005). Right gonopod, lateral view (A), mesal view (B). Scale bar = 1 mm.