Five species are recognized as members of the teuta group in the genus Euthalia. The main characteristics of this group are as follows: (1) Underside hindwing, usual ring-like markings near bases of spaces 6 and 7 are entirely absent. (2) Underside forewing, the cell spot and cell-end spot are reddened, though faintly so in E. dunya. The cell spot is always compact and rounded. (3) Forewing ldc is slender and non-tubular except near bases of veins 4 and 5, but sometimes entirely absent. Hindwing cell is mostly open, but is slenderly closed in E. piratica and E. dunya. (4) The male genitalia are specifically distinct (fig.11-15). Key to Species 1 (8) Upperside forewing with clearly defined whitish spots is spaces 4 and 5. Upperside hindwing whitish spots in spaces 6 and 7 outwardly not notched. 2 (5) Upperside forewing whitish spot in space 1b outwardly notched or divided into two. 3 (4) Upperside forewing upper spots of median band shifted in. Upperside hindwing without tornal red spot. E. teuta 4 Upperside forewing upper spots of median band in straight line. Upperside hindwing with red tornal spot. E. recta 5 (6) Upperside forewing withish spot in space 1b nearly rectangular and outwardly not notched. 6 (7) Upperside forewing upper spots of median band slightly shifted in. Upperside hindwing submarginal series of dark spots united to form a band. E. piratica 7 Upperside forewing upper spots of median band slightly shifted out. Upperside hindwing submarginal series of dark spots wedgeshaped. E. labotas 8 Upperside forewing without clearly defined whitish spots in spaces 4 and 5. Upperside hindwing whitish spots in spaces 6 and 7 very large and outwardly concaved. E. dunya All members of the group are illustrated, with descriptions of main specific characters and notes on geographic or individual variation and bionomics. The figures of the male genitalia are provided. E. piratica was formerly regarded as the Philippine subspecies of E. teuta. This taxon is here treated as a distinct species more closely related to E. recta than to E. teuta. This systematic position is comfirmed by features of the male genitalia and scheme of patterns.
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