102 



NEW YORK STATE MUSEUM 



roundly triangular. vSegmentation 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. Scutellimi yellowish 



J^"-^" 



Fig. 10 Caryomyia holotricha: a, sixth antennal segment of female; ft, 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 pul villi 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. loa) 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. 



