19I5.] A. RoHWER: Ortental Sawflies. 49 
than the intraocellar line; postocellar line a trifle longer than the 
ocellocular line ; fourth antennal joint slightly longer than the fifth ; 
stigma gently rounded below, broader at the basal third; sheath 
subacuminate, narrow. Black; apical margin of the clypeus, 
legs and abdomen fulvous; wings dusky hyaline; venation dark 
brown; head and thorax with thin gray hairs. 
Male.—Length 3°75 mm. Differs from the above description 
of the temale in having the apical three abdominal segments black 
and having the clypeus entirely black ; hypopygidium nearly round- 
ed apically. 
India and Assam. Described from two females, one type, from 
Calcutta, collected November 22, 1907, and from one male col- 
lected at Mazbat, Mangaldai, Assam, January 8, rg11 (S. W. 
Kemp). One male from Margherita, Assam. 
Type and allotype in Indian Museum; type No. *is°; allotype 
Paratype.— Cat. No. 18910, U.S.N.M. 
Genus Neostromboceros, Rohwer. 
Neostromboceros coeruleiceps (Cameron). 
One female from the Assam-Bhutan Frontier, Mangaldai Dis- 
trict, N.E., collected December 26, rg10 (S. W. Kemp); two males 
from the same locality collected by the same collector January I-2, 
I9gi1; and two males from Sadiya, Assam. 
Neostromboceros similaris, sp.n. 
From frifoveatus, Cameron, to which this species runs in 
Enslin’s table, this species may be separated by the white 
labrum. 
Female.—Length 7 mm. Anterior margin of the labrum 
broadly rounded; anterior margin of the clypeus truncate; 
supraclypeal area rectangular in outline, flat; supraclypeal foveae 
connected with the antennal foveae; median fovea a U-shaped 
depression around a median tubercle, the ends of the U deeper; 
frontal foveae punctiform, their lower margins tangent to a line 
drawn through the median fovea; antennal furrow distinct above 
crest; postocellar area wider posteriorly, the anterior lateral part 
sharply defined, the posterior lateral part poorly defined; flagellum 
somewhat flattened; first transverse cubitus wanting; sheath 
truncate apically; inner tooth of claws smaller than outer. Blue- 
black; labrum, posterior margin of pronotum, tegulae and 
perapteron white; palpi whitish, infuscate; legs yellowish white, 
bases of coxae and femora, and the posterior tarsi more or less 
infuscate; wings ‘hyaline, slightly dusky; venation dark brown; 
head and thorax with short gray hair. 
Male.—Length 6 mm. Hypopygidium broadly rounded api- 
cally. Very like female. 
