REPORT OF THE STATE ENTOMOLOGIST IQI7 87 
yellowish. Wings hyaline, very broad, costa yellowish transparent. 
Halteres yellowish transparent. Legs yellowish transparent ven- 
trally, light brown dorsally, particularly the mid tibiae and tarsi; 
claws slender, strongly curved. Genitalia; basal clasp segment 
stout; terminal clasp segment swollen basally; dorsal plate broad, 
broadly and slightly emarginate; ventral plate broad, the deep 
emargination broadly rounded at base; lobes broadly rounded. 
Female. Length .8 mm. Antennae about one-half as long as the 
body, sparsely haired, light brown; 14 segments, the fifth with a 
stem one-fourth the length of the cylindric basal enlargement, 

Fig. 23 Lobopteromyia filicis, side view of last abdomi- 
nal segment and ovipositor of female (enlarged, original) 
which latter has a length two and one-half times its diameter; ter- 
minal segment produced, the basal portion cylindric, with a length 
three times its diameter and apically with a stout, knoblike process. 
Palpi; first segment subquadrate, ‘tthe second broadly oval, the third 
with a length three times its diameter, the fourth one-half longer 
than the third; face yellowish. Mesonotum yellowish brown, sub- 
median lines yellowish, setose. Abdomen yellowish brown. Wings 
hyaline with a length about twice the width; halteres and legs yel- 
lowish transparent, the tarsi slightly fuscous; claws slender, strongly 
curved, the pulvilli as long as the claws. Ovipositor stout, about 
half the length of the abdomen; terminal lobe with a length twice its 
width. Type Cecid. 20. (See plate 6, fig. 7 and plate to, fig. 2) 
Lobopteromyia apicalis Felt 
1908 Felt, E.P. N. Y. State Mus. Bul. 124, p. 39° 
The yellowish males described below and taken May 18, 1906 on 
basswood, Tilia americana, at Albany, N. Y., in associ- 
ation with females, presumably cospecific, may be identical with the 
Cecidomyia verrucicola Oz: 
Male. Length 1.25 mm. Antennae pale straw, | 
body; 14 segments, the fifth having the stems one-halt and one 
and one-half times their diameters, respectively, the terminal seg- 
onger than the 
