April, 'lO] ENTOMOLOGICAL NEWS l6l 



from American forms by its small size, the reddish brown ab- 

 domen and in particular by the varicolored antennae, the seg- 

 ments basally being a more or less distinct yellowish. 



Male. Length, 1.2 mm. Antennae as long as the abdomen, rather 

 thickly haired, dark brown, the segments basally dull yellowish, the fifth 

 segment with a length about six times its diameter, thickly clothed with 

 short, even setae and with heavy, irregular circumfili ; terminal segment 

 tapering, with a length seven times its diameter. Palpi ; first segment 

 short, stout, irregular, the second a little longer, swollen near the mid- 

 dle, the third half longer than the second, slender, the fourth half longer 

 than the third. Eyes large, black. Mesonotum reddish brown. Scutel- 

 lum and post-scutellum dark brown. Abdomen a variable reddish 

 brown. Wings hyaline, costa light brown, the third vein uniting with 

 the margin just beyond the apex. Halteres whitish transparent. Coxae, 

 femora and tibiae a variable yellowish or fuscous yellowish, the tarsi 

 slightly darker. Claws long, slender, simple, the pulvilli shorter than 

 the claws. Genitalia ; basal clasp segment stout, distally thickly setose ; 

 terminal clasp segment subapical, short, stout, irregularly bifid ; dorsal 

 plate short, narrowly incised, the lobes obliquely truncate, setose at the 

 angles ; ventral plate long, narrow, deeply and narrowly emarginate, the 

 lobes long, slender, tapering; style short, acute. 



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

 thickly clothed with short hairs, dark brown, the basal fourth of seg- 

 ments three to six yellowish, the fifth with a length six times its diam- 

 eter, thickly clothed with short hairs and with low circumfili near the 

 basal third and apically; I2th segment with a length three times its 

 diameter; I3th with a length half greater than its diameter, the Hth 

 with a length only a little greater than its diameter. Palpi ; first seg- 

 men short, with a length three times its diameter, the second twice the 

 length of the first, stout, the third and fourth slender, each successively 

 slightly longer. Mesonotum, scutellum, postscutellum and abdomen a 

 little lighter than in the male. Ovipositor when extended as long as the 

 body, the basal portion pale orange yellow, the distal part tapering to 

 an acute apex. Basal plate weakly chitinized. Other characters nearly 

 as in the male. 



Exuviae. Length, 2.5 mm., whitish, stout. Antennal sheaths stout, 

 indistinctly annulate and extending to the second abdominal segment 

 Cephalic horns moderately stout, slightly curved. Wing pads extending 

 to the third abdominal segment, the leg cases to the sixth. The dorsum 

 of abdominal segments 2 to 8 inclusive, with an irregular, narrow, trans- 

 verse band of heavily chitinized spines. 



Type Cecid 3.2022, N. Y. State Museum. 



