REPORT OF THE STATE ENTOMOLOGIST I917 



II' 



Male. Length 1.5 mm. Antennae one-half longer than the body, 

 thickly haired, light broWn; 14 segments, the fifth with stems one 

 and three times their diameters, respectively; terminal segment, 

 basal enlargement subhemispheric, the distal one subfusiform, and 

 with a stout, narrowly rounded process distally. Palpi; the first 

 segment short, stout, subquadrate, the second "a little longer and 

 somewhat expanded distally, the third one-half longer than the 



Fig. 35 C o n t a - 

 rinia negundifolia 

 fifth antennal segment of 

 male (enlarged, original) 



Fig. 36 C o n t a - 

 rinia n e g u n d- 

 i f o 1 i a, fifth an- 

 tennal segment of 

 female (enlarged, 

 original) 



second, stout, tapering apically, the fourth one-half longer and more 

 slender than the third. Mesonotum dark brown, the submedian 

 lines sparsely haired. Scutellum reddish brown, postscutellum and 

 abdomen dark brown, the latter sparsely haired. Wings hyaline, 

 costa reddish brown; halteres yellowish basally, fuscous apically. 

 Legs fuscous yellowish; claws long, stout, strongly curved distally, 

 the pul villi as long as the claws. Genitalia; dorsal plate short, 

 broad, slightly and roundly incised, the lobes irregularly rounded. 



Fig- 37 Contarinia negundifolia, palpus of female 

 (enlarged, original) 



Female. Length 1.75 mm. Antennae extending to the second 

 abdominal segment, sparsely haired, dark brown, yellowish basally; 

 14 segments, the fifth with a stem one-fourth the length of the 

 subcylindric basal enlargement, which latter has a length three times 

 its diameter and is slightly constricted near the middle; terminal 

 segment somewhat reduced, broadly rounded apically. Palpi; the 



