Dilyta

Paretas-Martínez, Jordi, Ferrer-Suay, Mar, Kovalev, Oleg, Melika, George, Selfa, Jesús & Pujade-Villar, Juli, 2011, Revision of the Holarctic species of Dilyta Förster (Hymenoptera: Figitidae: Charipinae) with descriptions of four new species from the eastern Palaearctic, Zootaxa 2780, pp. 29-38 : 37

Key to females of Holarctic species of Dilyta

1. Metasoma with distinct, visible punctation on distal half (fig. 5A)............................................... 2

- Metasoma without punctures, or at most with very few scattered punctures and not clearly visible on distal half (fig. 5B)…....4

2. F1 very long, thin, almost twice as long as pedicel; F1 longer than F2–F5, F1 nearly as long as F2+F3+F4 combined (fig. 3E)...................................................................................... D. japonica n. sp.

- F1 similar in length to pedicel, F1 shorter or subequal to F2 and F3 combined...................................... 3

3. F1 slightly shorter or subequal than pedicel, F2 subequal to F3, F4 slightly shorter than F1 but longer than F2 or F3, F1 subequal to F5, F6 longer than F5 (fig. 3B).......................................................... D. subclavata

- F1 subequal to pedicel or slightly longer, F2 shorter than F3, F3 shorter than F4, F4 shorter than F5, F1 subequal to F5 (fig. 3D).................................................................................. D. longinqua n. sp.

4. F1 almost double length of F2, F3 or F4; F2 or F3 subequal to F4 but sometimes F2 seems slightly shorter than F3 or F4; F5 longer than F4; F5 longer than F4 but shorter than F1; F7–F11 wider than previous flagellomeres, antenna slightly clavate from F6 (fig. 3A)................................................................................ D. rathmanae

- F1 longer than F2; F2 slightly longer than F3 or F4; F3 subequal to F4; F5 longer than F4 but as long as F1; F6–F10 wider than previous flagellomeres, antenna slightly clavate from F5 (female antenna with only 10 flagellomeres) (fig. 3C)................................................................................................... D. aleevae n. sp.