190 Timehri. 
Wing with patches of large inflated scales. 3, CYCLOLEPTERON. 
a 
Theobald. 
b.b. Basal lobe of genetalia of two segments. 
a.a. Head with some flat scales on median area. 
Prothoracic lobes mammilated. 
Wing scales lanceolate a be .. 4, STETHOMYIA. 
Theobald. 
B. Thorax with distinct narrow curved scales. 
Abdomen hairy. 
Wing scales broad and lanceolate. 
Head scales broad not lyi mg flat but not forked 
or fimbriated. d . ae 5. MyZORHYNCHELLA. 
Theobald: 
C. Thorax and abdomen with scales. 
Abdomen with lateral scale tufts. 6. CELLTIA, 
Theobald. 
Genus ANOPHELES. Meigen. 
No species classed by Theobald in this genus has been identified here. 
Messrs. Dyar and Knab include all Anophelines with the exception of the Coelo- 
diazesis in this genus. 
Genus Myzomyia. Blanchard. 
One species has been recorded from Coriabo on the Barima River. (Dr. 
Low). . 
Myzomyia lutzi. Theobald. 
Proboscis unbanded. Palpi with three white rings. Legs with median pale 
broad band on metatarsus and apical bands on tarsi (B.G. Med. Annual, 7905, 
pp. 14, 36.) 
Genus CycLOLEPTERON. Theobald. 
One species has been recorded from Schepmoed on the Berbice River. 
Found by Dr. Rowland in May, 1905. One specimen only. 
Cyclolepteron mediopunctatus. Theobald. 
Proboscis unbanded. Palpi banded black and gold. Legs spotted 
with golden yellow, metatarsi and tarsi banded also ; last tarsus all 
yellow. Abdomen with lateral tufts of black or black and gold scales. 
(B.G. Med. Annual, 7904, p. 25. 1906, pp. 59, 75.) 
Genus StetHomyiA. Theobald. 
One species recorded from Corato and Cabacaburi, Pomeroon. (Dr. Low.) 
