3.12 Promacrochilo Bleszynski, 1962 (Figs 12, 115, 121, 125)

Promacrochilo Bleszynski, 1962 . Coridon (A), 3: 3.

Type species: Chilo ambiguellus Snellen, 1890, by original designation (replacement name for Macrochilo Hampson, 1896).

Macrochilo Hampson, 1895 . Proc. Zool. Soc. Lond., 1895: 950. Type species: Chilo ambiguellus Snellen, 1890, by original designation (a junior homonym of Macrochilo Hübner, 1816).

Diagnosis. The genus is distinguished from other genera by vein R 5 shortly stalked with R 2+3+4.

Description. Head with frons protruded; labial palpi porrect, covered with coarse scales; maxillary palpi expanded; patagia of prothorax with long tuft.

Wings (Fig. 12). Forewing elongate, apex pointed; R 1 nearby upper angle of cell, close to R 2; R 2 to R 5 stalked, R 5 separated firstly, then R 2; M 1 from discocellulares, close to R 5; M 2 and M 3 from lower angle of cell; Cu 1 and Cu 2 before lower angle of cell. Hindwing with Sc+R 1 and Rs stalked, from upper angle of cell as M 1; M 2 and M 3 from lower angle of cell; Cu 1 and Cu 2 before lower angle of cell.

Male genitalia. Uncus near triangular, covered with setae dorsally; gnathos semicircular, apex suffused with minute spines; tegumen broad, with sclerotized dorsal ridge reversed Y-shaped; valva broad, a sclerotized process present at sacculus; vinculum broad; saccus round; coremata present; juxta plate-like, sclerotized; aedeagus strong, vesica with minute spinules, manica with a tuft of coarse spines; ductus ejaculatorius from the terminal of aedeagus.

© Zoological Systematics, 39 (2): 163–208

Female genitalia. Anal papillae slender, covered with setae; apophyses anterioris and posterioris slender; ductus bursae membranous, much longer than corpus bursae; corpus bursae round.

Distribution. Oriental Region.

Remarks. The genus comprises only one species, distributed in China and south Asia.