28. Frisilia thapsina Wu and Park, 1999

Korean Jour. Syst. Zool. 15(1): 1. TL: Sri Lanka, Kal. Dist. Agalawatta. [USNM].

Diagnosis. The species is superficially similar to F. neacantha Wu and Park, but can be distinguished by the male genitalia: valva roundly expanded terminally, juxta not sharply pointed at laterocaudal apices, and aedeagus with weakly sclerotized, quadrate plate, not very narrowed apically.

Adult (Fig. 29, paratype in USNM). Wingspan,10.0–12.0 mm.

Male genitalia (Figs. 60, 60 a). See Wu and Park (1999: Figs. 1, 2).

Female genitalia. See Wu and Park (1999: Fig. 11).

Material examined. 18♂, 7Ψ, Kandy, Udawattekelle, 25–26 X 1966 & 31 X 1966, gen. prep. no. CIS-5198 (♂); 9♂, 3Ψ, same locality, 3–5 XI 1966, 10 XI 1966, & 15–16 XI 1966, gen. prep. no. CIS-5192(♂) & 5193(♂); 1♂ (holotype), Kal Dist., Agalawatta, 13–14 X 1976, gen. prep. no. USNM-88825; 4♂, 2Ψ (paratypes), same data as the holotype; 1Ψ (paratype), Gal Dist., Kanneliya Jungle, 11–16 I 1975. All types are in the USNM.

Distribution. Sri Lanka.