Calicnemia erythromelas (Selys, 1891)

(Figure 4 A–C)

Calicnemia erythromelas: Asahina, 1997: 22 –23, Figs. 20–21 (Sa Pa, Lao Cai Prov.) ; Do & Dang, 2007: 55, Distribution map (Sa Pa, Lao Cai Prov.; Tam Dao, Vinh Phuc Prov.); Kitawaga & Katatani, 2014: 81 –82, Figs. 8 –14 (Vietnam).

Specimens examined. 1♂ 1♀, Pia Oac, Cao Bang Prov., 16.V.2015, Quoc Toan Phan leg. ; 1♂ 1 ♀, same location, 22–24.V.2010, Haruki Karube leg.; 1♂ 1♀, 11.V.2014, Tu Le, Yen Bai Prov., Tom Kompier leg.

Notes. This is a group 1 species on the basis of its genital ligula with two long flagella (Fig. 4 C). It is characterized by its thoracic and abdominal color pattern in both sexes and by the acutely pointed cerci with large and deeply bifurcated ventral tooth (Fig. 4 A–B). Paraprocts slender and straight, blunt–tipped and as long as cerci.

Distribution. Sa Pa, Lao Cai Prov.; Tam Dao National Park, Vinh Phuc Prov.; Pia Oac Nature Reserve, Cao Bang Prov.; Tu Le, Yen Bai Prov.