Thecobathra casta (Meyrick, 1907)

Pyrozela casta Meyrick, 1907: 747 . TL: Bhutan. TD: NHMUK.

Niphonympha casta (Meyrick): Meyrick, 1914, in Wagner: 45.

Thecobathra casta (Meyrick): Moriuti, 1971: 237.

Material examined. CHINA, Yunnan: 1♀, Mt. Ailao Ecological Station (24.54°N, 101.02°E), Jingdong County, 2476 m, 3.VII.2013, leg. SR Liu, slide No. LHY21512; 2♁, Mt. Dawei, (22.91°N, 103.70°E), 2067 m, 8‒9.VIII.2019, leg. KJ Teng et al., slide Nos. LHY21561, LHY21562 .

Diagnosis. Thecobathra casta can be distinguished in the male genitalia by the stout socius, the sacculus with a long, slender dorsoapical thorn, and the aedeagus with 6‒7 large teeth running from basal 1/4 to 3/4 (Moriuti 1971: 233, fig. 2).

Distribution. China (Yunnan), Bhutan, India.

Note. This species is newly recorded for China.