2S4 



NEW YORK STATE MUSEUM 



and with a series of 4 to 6 or 7 minor teeth, the sublateral tooth 

 being almost as large as the normal submedian tooth. The shaft is 

 heavily chitinized, slightly crooked and with a moderate lateral 

 expansion at the posterior extremity. Skin coarsely shagreened. 



Exuviae. Length 2 mm, the whitish, chitinous process at the base 

 of the antennae heavy, long and irregularly bidentate, the antennal 

 cases extending to the first abdominal segment, the wing cases to 

 the third and the leg cases to the third and fourth abdominal seg- 

 ments, the dorsum of the latter thickly set with minute, chitinous 

 points; posterior extremity broadly rounded. 



Male. Length 2.75 mm. Antennae extending to the third 

 abdominal segment, sparsely haired, fuscous yellowish; 22 segments, 

 the fifth with a stem one-fourth the length of the cylindric basal 





Fig. 95 Sackenomyia packardi; fifth antennal segment and claw of 

 male, enlarged (original) 



enlargement, which latter has a length twice its diameter; terminal 

 segment reduced, tapering, narrowly rounded. Palpi; the first 

 segment short, stout, the second narrowly oval. Mesonotum dark 

 reddish brown, the submedian lines thickly black haired. Scutellum 

 dark orange, fuscous basally, postscutellum dark orange. Abdomen 

 sparsely clothed with fuscous hairs, dark red; genitalia very large, 

 fuscous yellowish. Wings hyaline, costa dark brown. Halteres 

 pale yellowish basally, reddish and sparsely fuscous haired apically. 

 Coxae and legs a variable fuscous yellowish; claws stout, sightly 

 curved; the pulvilli nearly as long as the claws. Genitalia; basal 

 clasp segment long, stout; terminal clasp segment swollen; dorsal 

 plate very broad, slightly emarginate; ventral plate long, slender, 

 deeply and narrowly emarginate; harpes very long, slender, rodlike 

 apically. 



