64 



KOCTDID^. 



Genus DIPTERYGIA. 



Bypierygia, Stepb. 111. Brit. Ent., Haust. ii. p. 167 (1829) 



Type. 



scabriuscula. 



Proboscis fully developed ; palpi upturned, tbe 2nd joint not reacbing 

 vertex of bead and raoderately scaled, the 3rd moderate ; frons smootb ; eyes 

 large, rounded ; antennas of male ciliated ; bead and thorax clotbed chiefly 

 with scales, tbe thorax with double ridge-like crest; tibias fringed with bair; 

 abdomen with dorsal series of crests, tbe crest on 2nd segment large. Fore 

 wing ratber sbort and broad, tbe apex rounded, tbe ternien crenulate and 

 excised towards tornus ; veins 3 and .t from ne ir angle of cell; (i from upper 

 angle; 9 from 10 anastomosing with 8 to form tbe areole ; 11 from cell. 

 Hind wing with veins 3, 4 from angle of cell ; 5 obsolescent from middle of 

 discocellulars ; 6, 7 froai upper angle; 8 anastomosing with the cell near 

 base only. 



Sect. I. Thorax and mid femora of male with thick tufts of blackish hair. 



A. Patagia and fore wing suffused with leaden fuscous cehece. 



B. Patagia and fore wing not suffused witli leaden fuscous babooni. 



2800. Dipterygia cebeae. 



Dipterygia Jcehem, Betb.-Baker, Nov. Zool. xiii. p. 197 (1906). 



Head white mixed with brown ; sides of frons with black bars ; 

 tegulse white, brown and black mixed with slight medial dark line ; 

 patagia black mixed with brown ; thorax white mixed with brown ; 

 pectus whitish tinged with purplish ; legs ochreous white and 

 fuscous mixed, the tarsi with pale rings ; abdomen fuscous mixed 



Fig. 14. — Dipterygia cehece, J 



with grey, the anal tuft black in male, ochreous in female, the 

 ventral surface whitish mixed with brown. Pore wing brown 

 suifused with leaden fuscous ; the costal area brownish at base, 

 white and brown towards apex ; a brown-irrorated white fascia on 

 inner margin from near base and a patch beyond the postmedial 

 line below vein 2 curving upwards to termen at vein 3 ; subbasal 

 line represented by a slight oblique striga from costa, the ante- 

 medial line by two slight stria? from costa and a long tooth 

 above inner margin, with black streak before it above the whitish 

 fascia ; clavit'orm faintly defined by black at extremity ; orbicular 

 and reniform very indistinctly defined by black, the former small, 

 round, the latter with some whitish on upper edge ; postmedial 

 line indistinct, oblique from costa to vein 6, excnrved to vein 4, 

 then strongly incurved and angled outwards on vein 1, a curved 



