1946] 
59 
Tabanidae oj Colombia 
ings are similar also, but the basal cells are much more exten- 
sively black. The abdominal pattern is the same, but the yellow 
markings are slightly smaller. Length, 7 mm., of wing 7.5 mm. 
The fronto-clypeus is much swollen and divided by a deep 
median saddle. 
12. Hemichrysops fascipennis Krober, 1930. 
The type specimen was from Colombia, without more definite 
locality. — Not seen by us. 
*13. Esenbeckia chagresensis Fairchild, 1942. 
Magdalena: Rio Frio (G. Salt), one of the paratypes of the 
species. 
*14. Esenbeckia diaphana (Schiner). Synonym: Pangonia dia- 
phana Schiner, 1868. 
Meta: Restrepo (J. Bequaert). — Putumayo: Puerto Limon 
(S. Renjifo) ; Urcusique (S. Renjifo) ; San Pedro (S. Renjifo). 
— Originally described from Colombia, without definite lo- 
cality. 
*15. Esenbeckia translucens (Macquart). Synonym: Pangonia 
translucens Macquart, 1846. 
Boyaca: Muzo (J. Bequaert). 
*16. Esenbeckia prasiniventris (Macquart). Synonyms: Pan- 
gonia prasiniventris Macquart, 1846; Pangonia semiviridis 
Ricardo, 1900. 
Cundinamarca : Bogota (B. Guevara A.). — Magdalena: Rio 
Frio (G. Salt); Agua Duke, San Lorenzo Mts. (M. A. Car- 
riker). — Originally described from Colombia, without definite 
locality. Krober’s (1932c) locality La Guayra is in Venezuela, 
not Colombia. 
17. Esenbeckia tinctipennis Krober, 193 Id. 
Choco: Condoto, type locality of the species. — Not seen 
by us. 
18. Esenbeckia subvaria (Walker). Synonym: Tabanus sub- 
varius Walker, 1848. 
Krober (1932c) described the male of this species from Co- 
lombia, without definite locality. — Not seen by us. 
19. Esenbeckia arcuata (Williston). Synonym: Pangonia arcu- 
ata Williston, 1895. 
Krober (1932c) records a female of this species from Co- 
