192 MANDIBULATA. — HYMENOI'TERA. 



aflns : mas antcnnis suhttis rujis ; foemina antcnnarum annnlo alio. (Long, 

 Corp. 3 — 4§ I'm. ; Exp. Alar. 5—7 lin.) 



Ic. sedulus. Gravenhorst, i. 492, — Steph. Nomen. 2d edit. col. 136. 



Black : dot on the sides of the clypeus, and orbits, except a small space oti the 

 occiput, white, in the female the inner ones only ; antennte with the 3 basal 

 joints entirely black, the rest fulvous beneath ; of the female incurved, with 

 the 8th to 14th joints, in general, whitish-yellow, dusky beneath; thorax 

 with the upper margin of the neck, a line before and below the wings, and 

 in the female one beneath the scutellum whitish-yellow ; scutellum w^hite, 

 frequently black at the base, and in the female red, with the tip yellowish ; 

 abdomen with the 1st segment slender, red, the peduncle black, or black, 

 with the tip red, the 3 following red, the 5th and 6th black, with the 

 extreme basal angles sometimes red, the 7th totally black; legs red ; femora 

 more or less varied with black ; tibiae red, the hinder pair black at the tip; 

 wings somewhat smoky-hyaline ; cellule somewhat 3-anguIar. 

 Scarce : found in June near London. 



Sp. 176. lanius, Niger, abdomine ruj'o, hasi nigra, facie ei lined ante alas alhis, 

 pedibusanterioribusfuluisjcoxisalbis. (Long. corp. 3 — 4§lin.; Exp. Alar. 

 5—7 lin.) 



Ic. lanius. Gravenhorst, i. A>99.— -Steph. Nomen. 2d edit. col. 136. 



Black : face, mouth, cheeks, and generally the frontal orbits slightly, white ; 

 antenniE porrect, with the basal joint white beneath ; thorax with a line 

 before, another below, mostly the lateral margin of the collar, and 2 large 

 spots on the breast, white ; scutellum at the apex, or sometimes only the 

 apical margin white ; abdomen with the 2 basal segments black, the 2nd 

 with the apex generally red, remainder also red, with the base of the 3rd 

 occasionally blackish ; legs with the 4 anterior coxa? and trochanters 

 whitish, the femora, tibiffi, and tarsi red ; posterior black, with the tibiae 

 more or less red or ferruginous at the base ; wings subhyaline, iridescent. 

 Common in the vicinity of the metropolis ; found also in Salop, 



&c. 



Sp. 177. vacillatorius. Niger, abdominis medio rufo, femoribus rufis, viacula 

 nigra, tibiis rufis, posticis apice nigra, puncto alio infra alas : mas macula 

 faciali flavd, lineuque alba ante alas ; foemina antennarum annulo albo. (Long, 

 corp. 2§ — 3J lin.; Exp. Alar. 4 — 5^ lin.) 



Ic. vacillatorius. Gravenhorst, i. 500. — Steph. Nomen. 2d edit. col. 136. 



Black : mouth, facial orbits, and a large spot on the face yellow, the female 

 with the inner orbits above slightly whitish ; antennte of the male beneath 

 fulvous, with the basal joint white, of the female involuted, with about the 

 loth to 13th joints white above and on the sides; thorax with a line or dot 

 below the wings, and in the male a streak before them, white; metathorax, 

 in this sex, often with 2 large yellow spots ; scutellum white at the apex ; 

 abdomen with the basal segment black, its margin sometimes reddish, 3 



