17. Bactra hostilis Diakonoff, 1956

Bactra (Nannobactra) hostilis Diakonoff, 1956, Zool. Verh. Leiden 29: 57. Type locality: Japan, “ Honshu, Kanagawa Prefecture, Yokosuka, Funakoshi ”. Holotype (♂): USNM.

Bactra (Nannobactra) leonina Diakonoff, 1959, Bijdr. dierk. 29: 185. Type locality: Thailand, Bangkok. Holotype (♀): LNK.

Distribution outside Thailand: Japan (Diakonoff 1956; Nasu & Komai 2013), China (Diakonoff 1964), and Korea (Byun et al. 1998).

Distribution in Thailand: C–– Bangkok Prov., N–– Chiang Mai Prov. (Doi Inthanon N.P. and Fang), and W–– Kanchanaburi Prov. (Thong Pha Phum N.P.) (Diakonoff 1959a; Kawabe 1989; KKIC).

Host plants: Unknown.

Remarks: Specimens from Thailand were collected in urban area, mixed deciduous forest, and hill evergreen forest at 5– 1,300 m. Diakonoff (1959) did not mention about habitat and elevation.