Psyllaephagus Ashmead

Singh, Sudhir & Singh, Karan Pal, 2011, Description of two new species of Psyllaephagus Ashmead (Hymenoptera: Encyrtidae) parasitizing Phacopteron lentiginosum Buckton (Hemiptera: Psyllidae), a leaf gall-former of Garuga pinnata Roxburgh (Burseraceae), Zootaxa 2885, pp. 33-43 : 34-35

Key to females of Indian species of Psyllaephagus Ashmead modified from Hayat (2006)

1. Metasoma elongate-triangular, apically pointed ( Figs 1 , 9 ), with last tergite long, V-shaped; ovipositor usually longer than dorsal length of metasoma, and then in ventral view base of metasoma protruding anteriorly between metacoxae; body generally

large, 1.5–3.9 mm. (Males with funicle segments flattened and covered with short setae not more than half width of respective funicle segment)...................................................................................... 2 - Metasoma not as described above, apically rounded, with last tergite broader than long, wide U-shaped, and in ventral view base of metasoma not protruding anteriorly between metacoxae; ovipositor usually shorter than three-quarters dorsal length of metasoma; body generally smaller, 1.2–2.5 mm. (Males with funicle segments cylindrical and bearing whorls of long, curly setae longer than width of respective funicle segment, Figs 17, 21 ).................... to couplet 4 of Hayat (2006: 150)

2. At least one pair of coxae dark brown to black............................................................... 3

- All coxae pale yellow to white................................................. to couplet 3 of Hayat (2006: 150)

3. Hind coxa dark brown, fore and mid coxae pale yellow.................... P. macrohomotomae Singh & Agarwal, 1993 .

- Hind and middle coxae brown, fore coxa pale yellow......................................................... 4

4. Scape slightly expanded mesally but elongate, 4x as long as wide ( Fig. 5 )...................... P. phacopteron sp. nov.

- Scape distinctly expanded mesally, only about 2x as long as wide................................. P. garuga sp. nov.

Figures

FIGURES 1 – 8. Psyllaephagus phacopteron S. Singh, sp. nov., Ƥ: 1, body in dorsal view; 2, body in lateral view; 3, head in frontal view; 4, head in dorsal view; 5, antenna; 6, mesosoma in dorsal view; 7, part of fore wing showing venation; 8, ovipositor.

FIGURES 9 – 15. Psyllaephagus garuga S. Singh, sp. nov., Ƥ: 9, body in dorsal view; 10, head in frontal view; 11, head in dorsal view; 12, antenna; 13, mesosoma in dorsal view; 14, part of fore wing showing venation; 15, ovipositor.

FIGURES 16 – 24. 16 – 20, Psyllaephagus garuga S. Singh, sp. nov., ♂: 16, head in frontal view; 17, antenna; 18, mesosoma in dorsal view; 19, last sternum; 20, genitalia. 21 – 24, Psyllaephagus phacopteron S. Singh, sp. nov., ♂: 21, antenna; 22, last sternum; 23, genitalia; 24, posterior part of genitalia enlarged.