Neoloxotaenia gracilis

Nartshuk, E. P., 2013, Grassflies of the subfamily Chloropinae (Diptera: Chloropidae) from Vietnam and Thailand, with descriptions of two new species, Zootaxa 3702 (6), pp. 534-544 : 541-542

Neoloxotaenia gracilis (de Meijere, 1908)

de Meijere, 1908: 170 ( Lagaroceras )—Semarang (drawing of head); Becker, 1911: 84 ( Loxotaenia ) —Java, Taiwan (drawing of head); Frey, 1923: 85 ( Loxotaenia )— Philippines;

Becker, 1924: 118 ( Loxotaenia )— Taiwan; Duda, 1930: 297 ( Loxotaenia ) — Taiwan; Duda, 1934a: 130 ( Loxotaenia )—Sumatra, Taiwan; Hennig, 1941: 164 ( Loxotaenia )— Taiwan;

Sabrosky, 1977: 314— Ceylon, Taiwan, India, Java, Malaya, Philippines, Sumatra, Thailand, Hawaii, Saipan; Kanmiya, 1978: 204— Japan (Kagoshima, Amami Is., Okinawa Is., Ishigaki Is., Miyako Is.), (drawings of male genitalia); Hardy & Delfinado, 1980:—Hawaii (introduced); Nartshuk, 1992: 109— Vietnam; Deeming, 2011: 802— Yemen.

Examined material. Vietnam: Pr. Ha Son Binh: Da Bao, Tuly, forest, 18- 23.10.1990 (valley of stream) (N), 5 ♂, 11 ♀; Ky Son, Cao Phong, grass of slope, 23– 27.10.1990 (N), 3 ♀; Mai Chou, forest, 2.11.1990 (B), 1 ♂, 1 ♀. Pr. Vinh Phu, Tam Dao, 1000 m, 11- 16.11.1990 (N), 3 ♀; 700 m, 14.11.1990, 1 ♂, 1 ♀(B).

Thailand: Khonkaen, Phu Pha Man NP, Teak plantation, 16°43.241'N 101°59.580'E, 265 m, 6.vi.-13.vi.2006, Malaise trap, Vinai Boonma (T 3), 1 ♂. Khonkaen, Nam Pong NP, office, 16°37.341'N 102°34.467'E, 9.vii.- 10.vii.2006, Pan traps, Khamphol Jaidee (T 199), 2 ♀.

Phetchabun, Nam Nao NP, Helicopter landing ground, 16°43.156'N 101°35.118'E, 890 m, 4.vii.-5.vii.2006, Pan traps, Noopean Hongyothi & Leng Janteab (T 262), 2 ♀. Loei, Phu Ruea NP, Subhnonghin, 17°28.772'N 101°21.308'E, 860 m, 19.vii.-26.vii.2006, Malaise trap, Nukoonchai Jaroenchai (T 316), 1 ♀. Chaiyaphum, Pa Hin Ngam NP, Ecotone between mixed deciduous/dry dipterocarp woodland, 15°38.132'N 101°23.922'E, 698 m, 11.viii.-18.viii.2006, Malaise trap, Katae Sa-nog & Buakaw Adnafai (T 444), 2 ♀. Chaiyaphum, Pa Hin Ngam NP, Ecotone between mixed deciduous/dry dipterocarp woodland, 15°38.100'N 101°23.857'E, 700 m, 18.viii.- 24.viii.2006, Malaise trap, Katae Sa-nog & Buakaw Adnafai (T 446), 1 ♀. Sakon Nakhon, Phu Phan NP, Behind Huay Wien Prai Forest Unit, 17°06.863'N 104°00.327'E, 387 m, 2.viii.-8.viii.2006, Malaise trap, Vinlon Khongnara (T 505), 1 ♀. Phetchabun, Khao Kho NP, Nursery, 16°52.573'N 101°08.077'E, 520 m, 26.x. -2.xi.2006, Malaise trap, Somchai Chatchumnan and Sa-ink Singtong (T 812), 1 ♂. Loei, Phu Ruea NP, Pah Lo Noy, 17°30.502'N 101°20.868'E, 1343 m, 5.ix.- 6.ix.2006, Pan traps, Nukoonchai Jaroenchai (T 817), 1 ♂,1 ♀. Loei, Phu Ruea NP, Sa Sawan, 17°30.735'N 101°20.601'E, 1352 m, 5.ix.-12.ix.2006, Malaise trap, Nukoonchai Jaroenchai (T 826), 1 ♂. Loei, Phu Ruea NP, Pah Lo Noy, 17°30.502'N 101°20.868'E, 1343 m, 12.ix.-19.ix.2006, Malaise trap, Nukoonchai Jaroenchai (T 827), 1 ♂.

Distribution. The most common species of the genus, widely distributed in the Oriental Region and recorded in Hawaii and Saipan.

Remarls. Kanmiya (1983) described the knob of halteres as creamy white or pale yellow but in examined specimens the halter has a white knob.