REPORT OF THE STATE ENTOMOLOGIST 1918 171 
Parallelodiplosis triangularis Felt 
1908 Felt, E.P. N. Y. State Mus. Bul. 124, p. 411 (Clinodiplosis) 
The light-brown males of this species were taken July 2 and 6, 
1906, at Nassau, N. Y. 
Male. Lengthri1mm. Antennae one-fourth longer than the body, 
thickly haired, light brown, fuscous basally; fourteen segments, the 
fifth with stems each two and one-half times their diameters; ter- 
minal segment, distal enlargement produced, subcylindric and with 
a spindle-shaped appendage. Palpi; the first segment subquadrate, 
the second long, rather broad, the third a little shorter, more slender, 
the fourth one-fourth longer than the second, more slender. Face 
fuscous. Mesonotum dark brown, submedian lines pale yellow. 
Scutellum fuscous yellowish, postscutellum light brown. Abdomen 
light brown; terminal segments yellowish, thickly haired. Wings 
hyaline, costa light brown. Genitalia; dorsal plate broad, deeply 
and triangularly incised, the lobes narrowly triangular; ventral plate 
long, slender, truncate; style stout at the base, long, tapering, con- 
stricted subapically. Type Cecid. 428. 
Parallelodiplosis subtruncata Felt 
1907 Felt, E. P. N. Y. State Mus. Bul. 110, p. 140; separate, p. 44 
(Cecidomyia) 
1908 ————— N. Y. State Mus. Bul. 124, p. 412 (Clinodiplosis) 
This dark-red form was taken at Albany, N. Y., July 6, 1906 while 
collecting on goldenrod or Solidago and aster. 
Male. Length 1 mm. Antennae one-half longer than the body, 
thickly haired, dark brown, fuscous yellowish basally; fourteen 
segments, the fifth with stems two and one-half and four times 
their diameters; terminal segment, distal enlargement prolonged, 
subcylindric, tapering to a spindle-shaped appendage. Palpi; the 
first segment rather short, irregularly rectangular, the second more 
than twice the length of the preceding, stout, tapering slightly 
distally, the third as long as the second, more slender, subfusiform, 
the fourth a little longer, more slender; face fuscous yellowish. 
Mesonotum dark brown, submedian lines yellow, uniting posteriorly 
in a median yellowish area. Scutellum dark red, postscutellum 
yellowish. Abdomen dark red, the segments margined posteriorly 
with fuscous, sparsely clothed with pale setae. Wings hyaline, 
costa light brown; halteres yellowish. Coxae and basal portion of 
femora pale yellowish, remainder of femora, tibiae and basal segment 
of tarsi fuscous brown, 3 distal segments yellowish, variably tinged 
with carmine; claws rather stout, strongly curved. Genitalia (pl. 20, 
fig. 7); dorsal plate short, broad, deeply, narrowly and roundly 
emarginate, the lobes well separated, the sublateral margin obliquely 
truncate, the submedian truncate; ventral plate narrow, long, 
tapering, irregularly truncate; style long, stout, narrowly rounded. 
Type Cecid. 506. 
