i53 
y. Wing scales broad and lanceolate ; head with 
broad scales, not closely appressed but not 
forked or fimbriated— 
Genus Myzorhynchella, n.g. 
(r) Thorax with hair-like curved scales and some narrow- 
curved ones in front ; abdomen with apical 
lateral scale tufts and scaly venter ; no ventral 
tuft. 
8. Wing scales lanceolate— 
Genus Arribalzagia. Theobald. 
(d) Thorax with hair - like curved scales ; no lateral 
abdominal tufts ; distinct apical ventral tuft. 
Palpi densely scaly. 
9. Wing with dense large lanceolate scales— 
Genus Myzorhynchus. Blanchard. 
(e) Thorax with hair-like curved scales and some narrow- 
curved lateral ones ; abdomen hairy with 
dense long hair-like lateral apical scaly tufts. 
10. Wing scales short, dense, lanceolate ; fork- 
cells short - Genus Christya. Theobald. 
(/) Thorax with very long hair-like curved scales ; 
abdomen with hairs except last two segments 
which are scaly. Dense scale tufts to hind 
femora. 
11. Wings with broadish, blunt lanceolate scales— 
Genus Lophoscelomyia. Theobald. 
(g) Thorax and abdomen with scales. 
12. Thoracic scales, narrow-curved or spindle- 
shaped ; abdominal scales as lateral tufts 
and small dorsal patches of flat scales— 
Genus Nyssorhynchus. Blanchard. 
13. Abdomen nearly completely scaled with long 
irregular scales and with lateral tufts— 
Genus Cellia. Theobald. 
14. Similar to above, but no lateral scale tufts— 
Genus Neocellia, n.g. 
