148 NEW YORK STATE MUSEUM 
Abdomen dull yellowish, reddish apically and with a fuscous basal 
spot. Wings (pl. 16, fig. 6) subhyaline, costa dark brown. Halteres 
yellowish basally, slightly fuscous apically. Legs fuscous straw; 
claws slender, slightly curved. Genitalia (pl. 20, fig. 2); basal clasp 
segment long, slender; terminal clasp segment swollen at the base, 
long; dorsal plate broad, deeply and narrowly incised, the lobes 
narrowly rounded; ventral plate long, slender, narrowly rounded; 
style long, stout. Type Cecid. 615. 
Lestodiplosis rumicis Felt 
1908 Felt, E.P. N. Y. State Mus. Bul. 124, p. 410 
1918 _———— _ N.Y. State Mus. Bul. 200, p. 126 
This yellowish, red-tinted male was reared July 29, 1907 from curled. 
dock, Ruimiex, <cpis pus; mifested pby (we oma: qacara 
rumicis H. Lw. collected at Newport. 
Male. Length 1.25 mm. Antennae nearly twice the length of 
the body, thickly haired, light brown, yellowish basally; fourteen 
segments, the fifth with stems three and one-half times their diam- 
eters; basal enlargement subglobose; subbasal whorl thick, distal 
enlargement with a length one-fourth greater than its diameter; 
terminal segment, distal enlargement with a length four times its 
diameter, obtuse. Palpi; first segment subquadrate, the second 
narrowly oval, with a length three times its width, the third as long 
as the second, more slender, the fourth shorter than the third, 
slightly dilated. Face yellowish. Mesonotum yellowish brown, the 
submedian lines sparsely haired. Scutellum yellowish with a few 
apical setae, postscutellum dark brown. Abdomen a variable yel- 
lowish, shaded with carmine basally, and apically slightly fuscous; 
genitalia yellowish. Wings subhyaline, spotted, costa yellowish and 
fuscous. Halteres yellowish transparent. Legs mostly fuscous yel- 
lowish, the tarsi slightly darker; claws long, slender, the pulvilli 
shorter than the claws. Genitalia; basal clasp segment slender; 
terminal clasp segment long, stout; dorsal plate deeply and triangu- 
larly incised, the lobes: narrowly rounded; ventral plate broadly 
rounded; style long. 
Female. Length 1.75 mm. Antennae as long as the body, rather 
thickly haired, light straw, yellowish basally; fourteen segments, 
the fifth with a stem one-fourth longer than the basal enlargement, 
which latter has a length three and one-half times its diameter and 
is distinctly constricted near the basal third; terminal segment 
produced, cylindric, with a length five times its diameter, narrowly 
rounded. Palpi; first segment subquadrate, the second narrowly 
oval, the third one-half longer, more dilated, the fourth a little longer 
and more slender than the third. Mesonotum reddish brown, the 
submedian lines thickly haired. Scutellum light reddish orange, 
postscutellum yellowish and fuscous. Abdomen mostly pale salmon, 
the basal segments a variable fuscous. Ovipositor short, the ter- 
minal lobes narrowly oval, with a length two and one-half times 
the width. Type Cecid. arsgsa. 
