Mr. R. EK, Turner on Fossorial Hymenoptera. 345 
11. Nitela reticulata, Diicke. 
Nitela reticulata, Diicke, Rey. d’Entom, xxyii. p. 47 (1908). 9. 
Hab, Para. 
12. Nitela amazonica, Diicke. 
Mitela amazonica, Diicke, Verh. zool.-bot. Ges. Wien, liii. p. 270 (1903). 
fab. Para, Minas Geraes. 
13. Nitela schmidti, Brauns. 
Nitela schmidti, Brauns, Verh, zool.-bot. Ges. Wien, lxi, p. 142 (1911). 
a 2 z 
Hab. Costa Rica. — 
14. Nitela costaricensis, Brauns. 
Nitela costaricensis, Brauns, Verh. zool.-bot. Ges. Wien, Ixi. p. 143 
GSLs. OF 
Hab. Costa Rica. 
15. Nitela darwini, sp. n. 
@. Nigra; mandibulis, tegulis, femoribus macula apicali, tibiis 
macula basali, tarsisque articulo basali ferrugineis; alis hyalinis, 
iridescentibus, venis fusco-ferrugineis. 
Long. 3°5 mm. 
?. Head finely and very closely punctured, the clypeus 
and front as high as the base of. the antennz covered with 
silver pubescence. Posterior ocelli twice as far from each 
other as from the eyes. Pronotum short, the anterior and 
posterior margins distinctly raised, the space between them 
with distinct longitudinal striez; the anterior margin feebly 
arched, not straight. Mesonotum rather more strongly and 
closely punctured than the head, the scutellum and_post- 
scutellum more finely punctured. Mesopleure very finely 
punctured, the grooves shallow. Median segment coarsely 
longitudinally striated, the striz slightly diverging towards 
the apex; the surface of the apical truncation very finely 
granulate ; the sides of the segment finely rugulose-striate. 
