TO2 NEW YORK STATE MUSEUM 
roundly triangular. Segmentation rather distinct, the skin smooth. 
Posterior extremity broadly rounded, unarmed. 
Exuvium. Length 3 mm, whitish; antennal sheaths short, 
annulate distally, the internal basal angles somewhat chitinized; 
dorsal horns long, slender. Abdominal segments with the dorsum 
thickly clothed with chitinous points and margined posteriorly with 
several rows of long, stout, chitinous spines. 
Male. Length 2.5 mm. Antennae nearly as long as the body 
sparsely haired, whitish transparent; fourteen segments, the fifth 
with stems one-half and one and one-fourth times their diameters 
respectively, distal enlargement cylindric, with a length twice its 
diameter. Palpi fuscous yellowish, the first segment stout, incras- 
sate, the second broadly oval, the third one-half longer, rectangular, 
the fourth one-half longer than the third. | Mesonotum fuscous 
yellowish, the submedian lines sparsely haired. Scutellum yellowish 

b 
Fig. 10 Caryomyia holotricha: a, sixth antennal segment of female; }, palpus 
of female (enlarged, original) 
red, postscutellum yellowish. Abdomen fuscous yellowish, darker 
basally; genitalia fuscous yellowish. Wings hyaline, costa pale 
straw. Halteres mostly pale yellowish. Coxae and legs fuscous 
yellowish, the tarsi variably tinged with carmine; claws slender, 
evenly curved, the pulvilli hardly as long as the claws. Genitalia; 
basal clasp segment stout, terminal clasp segment short, narrowly 
oval; dorsal plate long, broad, triangularly emarginate; the lobes 
narrowly rounded; ventral plate broad, broadly emarginate, the 
lobes broadly rounded. 
Female. Length 3.5 mm. Antennae extending to the second 
abdominal segment, whitish transparent, sparsely haired; fourteen 
segments, the fifth (fig. roa) with a length three and one-half times 
its diameter, subbasal and apical whorls sparse, circumfila at the 
basal half and apically; terminal segment slightly reduced, narrowly 
oval. Palpi (fig. 10b); first segment stout, incrassate, the second 
rectangular, with a length three times its diameter, the third as 
long as the second, slender, the fourth a little longer than the third. 
