188 MAJJDIBULATA. — MYMENOPTEKA. 



foemina antenharum annulo albo. (Long. corp. 9 — 12 lin. ; Exp. Alar. 14—17 

 lin.) 



Ic. fusorius. Linne. — Steph.Catal.3i9. iVb. 4417. 



Black : frontal orbits white of the female, internal and greater part, or all, of 

 the outer in the male the same ; antennae of the female with the 4th to 8th 

 joints generally ferruginous beneath, the 7 or 8 following white above, the 

 remainder reddish beneath ; thorax with a dot below and another before the 

 wings, and of the female with the upper margin of the neck also, and the 

 scutellum white ; abdomen with the basal joint black, its extreme edge in 

 rare instances reddish, the remaining segments tawny or red ; legs with the 

 femora black, their extreme apex and the tibije red, posterior pair sometimes 

 black at the apex ; tarsi red, occasionally with the tips of the joints fuscous 

 or black ; wings brownish-hyaline. 

 Taken, though very rarely, within the metropohtan district, in the 



autumn. 



Sp. 163. pisorius. Niger, lineis ad alarum Jlavis abdomine dilute rtifo, petiolo 

 obscuriore : mas facie Jlava, pedibus Jlaoicantibus nigro maculatis ; foemina 

 orbitis oculorumfrontalibus et annulo antennarum albis, pedibus nigris, tibiurum 

 medio Jiavo. (Long. corp. 8 — 11 lin.; Exp. Alar. 12 — 16 lin.) 



Ic. pisorius. Linne. — Stepk. Catal. 349. No. 441 8o 



Black: face, mouth, and orbits yellow, of the female the last only so above; 

 antenna of the male with the 2 basal joints beneath yellow, of the female 

 involuted at the apex, with about the 8th to 16thjoints white above, fuscous 

 beneath ; thorax with the lateral margin of the collar, a dot at the base, 

 and a streak below the wings, and sometimes one beneath the scutellum, 

 and this last, yellow ; abdomen pale red, with the peduncle dusky, or 

 blackish ; legs with the coxae and trochanters black, the latter tipped, and 

 the former spotted, with yellow; anterior femora tawny-yellow, with a black 



I streak at the base behind, intermediate yellow, black at the base, posterior 

 black ; tibiae yellow, hinder pair tipped with black ; tarsi yellow. 

 Apparently very rare : found near London. 



Sp. 164. erythrogaster. Niger, puncto ad alarum radicem flavo, abdomine dilute 

 rufo, segmento 1-mo pedibusque nigris j foemina orbitis oculorum internis an- 

 nuloque antennarum albis. (Long. corp. 10§ lin.; Exp. Alar. 15| lin.) 



Ic. erythrogaster. Steph. Nomen. 2d edit. Appendix. 



Black : inner orbits of the female narrowly white ; antennse with about the 

 10th to 15th joints above white; thorax with a yellow streak beneath the 

 wings at the base ; scutellum also yellow ; abdomen pale red, the basal 

 segment black ; legs black, the 4 anterior femora at the extreme tip, and 

 the anterior tibiae in front reddish, the hinder tibiae fuscescent, with a slightly 

 paler tint towards the base on the outside; wings dusky-hyaline. 

 This fine and conspicuous insect was found by the late Rev. 



