Hylomus proximus ( 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 : 10-11

Hylomus proximus ( Nguyen, Golovatch & Anichkin, 2005)

( Figs. 1 , 13 )

Desmoxytes proxima Nguyen, Golovatch & Anichkin, 2005: 252 , figs. 1−5.

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

Material examined: 1 male (IEBR-28) Lao Cai Province, Van Ban District, Nam Xay commune, bamboo forest, 1,000 m, 6 April 2005, coll. Anh D. Nguyen; 2 females (IEBR-33) same locality and habitat, 8 April 2005, coll. Anh D. Nguyen; 1 female (IEBR-34) same locality, secondary forest, 850 m, 3 April 2005; 1 male (IEBR-44) Lao Cai Province, Hoang Lien National Park, Sa Pa, forest, 2,000 m, 2 December 2005, coll. Anh D. Nguyen; 2 males, 2 females (IEBR-Myr 243) same locality, but bamboo forest, near a stream, 1,800 m, 26 March 2007, coll. Anh D. Nguyen; 3 males, 1 female (IEBR-42) same locality, but forest, 2,000 m, April 2003, coll. Nguyen Tri Tien.

Diagnosis: The species differs from its congeners in the transverse sulcus starting from metatergum 2; paraterga antler-shaped; male leg femora 5 and 6 humped ventrally; gonopod femorite subequal to postfemoral region in length; both solenophore and solenomere long; tip of solenophore serrated ( Fig. 13 ).

Previous records: Lao Cai Province (Van Ban District) ( Nguyen et al. 2005).

Distribution: Only known from northern 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. 13. Hylomus proximus (Nguyen, Golovatch & Anichkin, 2005) from Hoang Lien National Park. Right gonopod, lateral view (A), mesal view (B). Scale bars: A = 0.3 mm; B = 0.5 mm.