Key to all the known species of genus Anaptygus Mistshenko, 1951

1. Fastigial foveolae long and narrow (Figs. 2 I–J).............................................................. 3 - Fastigial foveolae poorly developed...................................................................... .. 2

2. General colour reddish-brown; fastigium of vertex obtuse angular; vertex without median carinula; frontal ridge narrow; mesosternal interspace wider than long; in male apex of elytra reaching to posterior margin of third abdominal tergite; hind femora red ventrally with black markings on outer and inner surface; hind tibiae red..................... A. rectus Ragge, 1954

Ragge, 1954. Proc. R. Ent. Soc. London (B), 23: 188.

Bhowmik, 1985. Rec. Zool. Surv. India, Misc. Pub., Occas. Paper, 78: 8.

Shishodia, 1997. Fauna of Conservation Areas, 9: Fauna of Nanda Devi Biosphere Reserve, Zool. Surv. India: 49.

Thakur & Mattu, 2006. Zoo’s Print Journal, 21(4): 2225.

Shishodia & Gupta, 2009. JoTT, 1(11): 570.

Shishodia et al., 2010. Rec. Zool. Surv. India, Misc. Pub., Occas. Paper, 314: 65.

Singh et al., 2017. Bionotes, 19(3): 113.

Kumar & Chandra, 2018. Oriental Insects, 53(1): 93.

Type locality: India, Central Himalayas, Tehri-Garhwal .

Location of type specimen: Holotype, female, BMNH London Natural History Museum.

- General colour olive; fastigium of vertex obtusely rounded; vertex with median carinula; frontal ridge broad; mesosternal interspace much wider than long; in male apex of elytra slightly extending to posterior margin of second abdominal tergite; hind femora light pink ventrally; hind tibiae dark pink............................. A. himalayicus Kumar & Chandra, 2018

Kumar & Chandra, 2018. Oriental Insects, 53(1): 99.

Type locality: Himachal Pradesh, Kullu, Great Himalayan National Park .

Location of type specimen: Holotype, male, Zoological Survey of India, Kolkata, India.

3. Lateral carinae of pronotum obtusely curved (Figs. 2 A–B).................................................... .. 4

- Lateral carinae of pronotum arcuately curved. Fastigial foveolae long and narrow, length of a pit 4 times more than its greatest width; lateral pronotal carinae, in posterior part, weakly arcuately concave, nearly parallel to each other; hind margin of pronotal disc with a weak obtuse angular incision in middle.................................... A. uvarovi (Chang, 1937)