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 males 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, wide, arched, almost twice as long as pedicel; F1 longer than F2+F3 combined (fig. 4E)....... D. sinica n. sp.

- F1 subequal or slightly longer than pedicel and slightly curved; F1 shorter or subequal to F2+F3 combined.............. 3

3. F1 slightly longer than pedicel; F2 or F3 each shorter than F1; F1 subequal to F4; F4–F12 wider than previous flagellomeres, antenna slightly clavate from F4; sensilla beginning on F4 (fig. 4B).................................... D. subclavata

- F1 subequal to pedicel, F2 shorter than F1 or F3, F3 subequal to F1; F3–F12 wider than previous flagellomeres, antenna slightly clavate from F3; sensilla beginning on F3 (fig. 4D)..................................... D. longinqua n. sp.

4. F1 as long as pedicel; F2 slightly shorter than F3; F4 as long as F1 but thiner; sensilla beginning on F4 (fig. 4A)..................................................................................................... D. rathmanae

- F1 longer than pedicel; F2 subequal to F3; F4 as long as F1 but wider; sensilla beginning on F6 (fig. 4C)... D. aleevae n. sp.