344 
ENTOMOLOGICAL NEWS. [Oct., 'l6 
the sclerite, rather closely approximated, black; pseudo-sutural foveae 
elongate-oval, reddish; extreme lateral margins of the praescutum 
whitish ; scutum gray with the lobes brown ; scutellum light gray, more 
yellowish on the caudal margin. Pleura with the dorso-pleural area 
light yellow extending from the pronotum to the wing-root; remainder 
of the pleura dark brown with two white stripes, the ventral stripe 
broad, clear-cut, beginning on the fore coxa extending to above the 
hind coxa; dorsal stripe suffused with dusky, not clear-cut, sometimes 
obliterated; the brown vitta separating these two white stripes well- 
defined. Halteres Hght brownish yellow passing into grayish brown on 
the knob which is obscurely tipped with dull yellow. 
Legs with the fore coxae brown and white; middle coxae with the 
basal half brown, the terminal half light yellow; hind coxae light yel- 
low; trochanters light yellow; fore femora dark brownish black; mid- 
dle femora yellow, tipped with dark brown; hind femora brownish 
yellow, slightly darkened toward the apex; fore and middle tibiae 
white, the extreme base and slightly broader apex of each dark brown ; 
hind tibiae white, the extreme base and apex light brown; fore and 
middle tarsi dark brownish black; hind tarsi dark brown, the basal 
half of the first segment whitish. 
Wings with the costal margin, Sc and R china-white; remaining 
veins dark brown; wings subhyaline; stigma distinct, oval, brown; a 
vitreous spot before and beyond the stigmal spot. Venation as in fig. 
i; Sc very short, ending far before the base of the sector, this distance 
about equal to from one to two times the length of the sector; Rs short, 
only a little longer than the deflection of R4 + 5; cell 1st M2 open, 
except in abnormal specimens where it may be closed. 
Abdominal segments brown, the caudal margins broadly dull light 
yellow. Hypopygium as in fig. 3 ; dorsal appendage of the ninth pleur- 
ite fleshy without chitinized hooks or teeth of any kind, but with num- 
erous bristles; middle appendage a very slender, somewhat sinuous 
hook with the apex blackened; ventral appendage prominent, the 
apex flattened, smooth, chitinized, the ventral angle produced into a 
slender finger-like lobe, the apex of which is blackened; the dorsal 
angle similarly produced but the lobe shorter and broader; ventral 
margin of the appendage with two prominent teeth whose inner margins 
are minutely denticulate, the tips blackened. 
Habitat: Neotropical region. 
Holotype : $ , Lima, Peru ; August 4, 1914 ; altitude 500 feet 
(Parish.) 
Allotpye: 9, topotypic; August 19, 1914. 
Paratypes: 18 5 9 , topotypic; August 4-24, 1914; 3 9 9, 
Bartica, British Guiana, December 31, 191 2; February 4, 191 3; 
