148 NliW VOKK STx\TE MUSEUM 



Abdomen dull yellowish, reddish apicall}^ and with a fuscous basal 

 spot. Wings (pi. 16, fig. 6) subhyaline, costa dark brown. Halteres 

 yellowish basally, slightly fuscous apically. Legs fuscous straw; 

 claws slender, slightly curved. Genitalia (pi. 20, fig. 2); basal clasp 

 segment long, slender; terminal clasp segment swollen at the base, 

 long; dorsal plate broad, deeply and narrowly incised, the lobes 

 narrowly rounded; ventral plate long, slender, narrowly rounded; 

 style long, stout. Type Cecid. 615. 



Lestodiplosis rumicis Felt 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 410 

 1918 N. Y. State Mus. Bui. 200, p. 126 



This yellowish, red-tinted male was reared July 29, 1907 from curled 

 dock, Rum ex crispus, infested by Contarinia 

 rumicis H. Lw. collected at Newport. 



Male. Length 1.25 mm. Antennae nearly twice the length of 

 the body, thickly haired, light brown, yellowish basally; fourteen 

 segments, the fifth with stems three and one-half times their diam- 

 eters; basal enlargement subglobose; subbasal whorl thick, distal 

 enlargement with a length one-fourth greater than its diameter; 

 terminal segment, distal enlargem.ent with a length four times its 

 diameter, obtuse. Palpi; first segment subquadrate, the second 

 narrowly oval, with a length three times its width, the third as long 

 as the second, more slender, the fourth shorter than the third, 

 slightly dilated. Face yellowish. Mesonotum yellowish brown, the 

 submedian lines sparsely haired. Scutellum yellowish with a few 

 apical setae, postscutellum dark brown. Abdomen a variable yel- 

 lowish, shaded with carmine basally, and apically slightly fuscous; 

 genitalia yellowish. Wings subhyaline, spotted, costa yellowish and 

 fuscous. Halteres yellowish transparent. Legs mostly fuscous yel- 

 lowish, the tarsi slightly darker; claws long, slender, the pulvilli 

 shorter than the claws. Genitalia; basal clasp segment slender; 

 terminal clasp segment long, stout; dorsal plate deeply and triangu- 

 larly incised, the lobes narrowl}^ rounded; ventral plate broadly 

 rounded; style long. 



Female. Length 1.75 mm. Antennae as long as the body, rather 

 thickly haired, light straw, yellowish basally; fourteen segments, 

 the fifth with a stem one-fourth longer than the basal enlargement, 

 which latter has a length three and one-half times its diameter and 

 is distinctly constricted near the basal third; terminal segment 

 produced, cylindric, with a length five times its diameter, narrowly 

 rounded. Palpi; first segment subquadrate, the second narrowly 

 oval, the third one-half longer, more dilated, the fourth a little longer 

 and more slender than the third. Mesonotum reddish brown, the 

 submedian lines thickly haired. Scutellum light reddish orange, 

 postscutellum yellowish and fuscous. Abdomen mostly pale salmon, 

 the basal segments a variable fuscous. Ovipositor short, the ter- 

 minal lobes narrowly oval, with a length two and one-half times 

 the width. Type Cecid. ai595a. 



