4. Frisilia dipsia Meyrick, 1910

J. Bombay nat. Hist. Soc. 20: 437; Clarke, 1965: 59; Wu and Park, 1999: 5. TL: Sri Lanka, Maskeliya. [BMNH].

Diagnosis. The species is differentiated from the above three species by the larger size and the concave termen of the forewing. It can also be distinguished by the male genitalia with an elongate valva and a sword-shaped median lobe of the juxta. The female is as yet unknown.

Adult (Fig. 5, lectotype). Wingspan, 19.0–20.0 mm.

Male genitalia (Figs. 36, 36 a). See also Clarke (1965: Pl. 59, Figs. 1 a–1b).

Material examined. 1♂ (lectotype), Maskeliya, Sri Lanka, 6. [19]06, gen. prep. no. BM-8662, and seven additional specimens are in the BMNH.

Distribution. Sri Lanka.