REPORT OF THE STATE ENTOMOLOGIST 1918 99 
short, bidentate. Skin finely shagreened. The body tapers pos- 
teriorly to a narrowly rounded, nearly unarmed posterior extremity. 
Male. Length 2.25 mm. Antennae about three-fourths the 
length of the body, sparsely haired, yellowish; fourteen binodose 
segments, the fifth with stems one and one-half times their 
diameters respectively; distal enlargement subcylindric, with a 
length about one-fourth greater than its diameter, terminal segment 
reduced, narrowly oval. Palpi; first segment short, stout, sub- 
quadrate, the second slender, with a length at least four times its 
diameter, the third as long as the second, the fourth longer than the 

Fig. 9 Caryomyia arcuaria: a, third antennal segment of male, only two setae 
sketched in; 6, a portion of the distal part in section showing the invaginated or 
concealed stem; c, Caryae: fifth antennal segment of female (enlarged, original) 
third, dilated. Mesonotum fuscous yellowish, the submedian lines 
sparsely haired. Scutellum reddish orange, postscutellum fuscous 
yellowish. Abdomen deep reddish orange, the segments sparsely 
setose posteriorly. Wings hyaline, costa dark brown. Halteres 
yellowish basally, fuscous apically. Coxae and legs a variable 
fuscous yellowish, the tarsi somewhat darker; claws long, slender, 
evenly curved, the pulvilli longer than the claws. Genitalia; basal 
clasp segment short, stout; terminal clasp segment long, stout; 
dorsal plate short, broadly and roundly emarginate, the lobes trun- 
cate; ventral plate long, broad, subtruncate. 
Female. Length 3 mm. Antennae extending to the second 
abdominal segment, sparsely haired, pale yellowish; fourteen sessile, 
cylindric segments, the fifth (fig. oc) with a length three times its 
diameter; subbasal whorl thick, double, subapical whorl sparse, 
single; low circumfila at the basal half and apically, anastomosing 
irregularly; terminal segment slightly reduced, narrowly rounded. 
Face fuscous yellowish. Palpi; first segment short, stout, the second 
with a length five times its diameter, rather narrow, the third stout, 
with a length two and one-half times its diameter, the fourth one- 
half longer, somewhat dilated. Mesonotum dark brown, the sub- 
median lines thickly haired. Scutellum yellowish, pale reddish and 
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