15. Bactra coronata Diakonoff, 1950

Bactra coronata Diakonoff, 1950, Bull. Br. Mus. (Nat. Hist.) Ent. 1: 286. Type locality: Indonesia. Holotype (♂): NHM.

Distribution outside Thailand: Indonesia (Diakonoff 1950), Borneo and Philippine Is. (Diakonoff 1956), and Sri Lanka (Diakonoff 1964).

Distribution in Thailand: C–– Nakhon Nayok Prov. (Khao Yai N.P.), Phitsanulok Prov. (Mueang), Saraburi Prov. (Namtok Samlan N.P.), and Uthai Thani Prov. (Huai Kha Khaeng W.S.), E–– Chanthaburi Prov. (Khao Khitchakut N.P.) and Trat Prov. (Trat Agroforestry R.St.), N–– Chiang Mai Prov. (Fang), NE–– Chaiyaphum Prov. (Phu Khieo W.S.), Nakhon Ratchasima (Khao Yai N.P. and Sakaerat Environmental R.St.), and Ubon Ratchathani Prov. (Sirindhorn Dam), S–– Nakhon Si Thammarat Prov. (Khao Nan N.P.), and W–– Kanchanaburi Prov. (Ban Tha Kradan Community Forest and Thong Pha Phum N.P.) (Kawabe, 1989; Roland, personal communication; KKIC).

Host plants: Unknown.

Remarks: Specimens from Thailand were collected in agroforestry area, moist evergreen forest, mixed deciduous forest, dry evergreen forest, and hill evergreen forest at 30– 1,140 m.