Leechia South, 1901

Chen, Fu-Qiang & Wu, Chun-Sheng, 2014, Taxonomic review of the subfamily Schoenobiinae (Lepidoptera: Pyraloidea: Crambidae) from China, Zoological Systematics 39 (2), pp. 163-208 : 201

3.10 Leechia South, 1901 ( Figs 10 , 113 , 123 )

Leechia South, 1901 . In: Leech, Trans. Ent. Soc. Lond., 1901: 400.

Type species: Leechia sinuosalis South, 1901 , by original designation.

Diagnosis. The genus is distinguished from other genera by all radial veins stalked and M 2 long stalked with M 3 on forewing.

Description. Labial palpi porrect, apex pointed; maxillary palpi well developed, apex expanded.

Wings ( Fig. 10 ). Forewing with all radial veins stalked, arising from upper angle of cell, R 5 separated firstly, then R 1; M 1 little below upper angle of cell; M 2 and M 3 long stalked, from lower angle of cell as Cu 1; Cu 2 before lower angle of cell; CuP present. Hindwing with Sc+R 1 and Rs stalked, from upper angle of cell as M 1; M 2 and M 3 long stalked, from lower angle of cell; Cu 1 from lower angle of cell; Cu 2 before lower angle of cell.

Male genitalia. Uncus broad, triangular, dorsal suffused with dense setae; gnathos absent; valva short, apex blunt; saccus small; coremata absent; juxta weakly sclerotized; aedeagus slender.

Distribution. Palaearctic and Oriental Regions.

Remarks. The genus comprises three species, including two species from China.

Key to species of Leechia in China

1. Hindwing with single medial line ....................................................................................................................................... L. bilinealis

Hindwing with double medial lines................................................................................................................................... L. sinuosalis

Figures

Figs 7–12. Venations. 7. Ramila. 8. Archischoenobius. 9. Acropentias. 10. Leechia. 11. Brihaspa. 12. Promacrochilo.

Figs 108–115. Adults. 108. Archischoenobius pallidalis. 109. A. nigrolepis. 110. A. nanlingensis. 111. A. minumus. 112. Acropentias aureus. 113. Leechia sinuosalis. 114. Brihaspa atrostigmella sinensis. 115. Promacrochilo ambiguellus.

Figs 122–125. Male genitalia. a. Aedeagus. b. Juxta. 122. Acropentias aureus. 123. Leechia sinuosalis. 124. Brihaspa atrostigmella sinensis. 125. Promacrochilo ambiguellus. Scale bars =1 mm.