no. 2072. NEW SPECIES OF GALL MIDGES— FELT. 201 



dark reddish brown, the submedian lines and median area a slaty gray. 

 Scutellum pale orange apically, grayish basally; postscutellum dark 

 brown. Abdomen dark brown, sparsely short haired. Wings very nar- 

 row, with a length fully three times the width ; subcosta uniting with 

 costa at the basal third, the cross vein indistinct, the third vein joining 

 the posterior margin well beyond the apex of the wing, the fifth vein 

 forked, the rudimentary anterior branch uniting with the margin 

 near the distal third, the well-developed posterior branch at the basal 

 third. Halteres yellowish white, the club slightly fuscous. Coxae 

 dark brown, reddish brown apically, the anterior femora and tibiae 

 mostly dark brown, the former yellowish white basally, the latter 

 narrowly annulate with white basally; tarsi a dark grayish brown, 

 the distal three segments mostly yellowish gray, the posterior femora 



FlG. 4.— DOBSAL VIEW OF THE APEX OF THE FEMALE ABDOMEN OF CTENODACTYLOMYIA WATSONI. 



with the basal half yellowish white, and the entire tarsi mostly yel- 

 lowish gray, otherwise as in the anterior tarsi; claws moderately long, 

 stout, distinctly angulate basally, with three relatively largo and two 

 minor pectin; pulvilli rudimentary. Ovipositor short, the lobes 

 roundly rectangular and thickly setose, minor lobe tapering to a 

 narrowly rounded apex. 



Male. — Length, 3 mm. Antennae probably extending to the 

 secoDd abdominal segment, the fifth with a stem about one-fourth 

 the length of the cylindric basal enlargement, which latter has a 

 length thrice its diameter and rather thick subbasal and subapical 

 whorls of stout, nearly straight seta3; terminal segment with a finger- 

 like appendage nearly one-half the length of the cylindric basal en- 

 largement, which latter has a length thrice its diameter; claws 

 slender, slightly curved and with about five well-developed and two 



