166 Mx\lSlDIBULATA. HYMEXOPTERA. 



wings ; scutellum white ; abdomen with the ^nd and 3rd segments red, 

 hase of the 3rd black, the 6th white above ; legs red, coxae and trochanters 

 black ; posterior with the tips of the femora and of the tibia? black ; wings 

 yellowish-hyaline, stigma reddish ; costa ferruginous ; scales fuscous, occa- 

 sionally ferruginous. 



Abundant in the winter and spring throughout the metropolitan 

 district. 



Sp. 106. vadatorius. Niger, segmentis 2 et S rufis incisura nigra, 4-7 alio 

 mm-ginatis, fcmorihus tihiisque riifis J posticorum apice nigro : mas orhitis 

 oculortnn internis et ardennarum hasijiavis : foemina antennarum annulo albo. 

 (Long. corp. 5 — 7 lin.; Exp. Alar. 10 lin.) 



Ic. vadatorius. lUiger. — Steph. Catal. 349. N'o. 4429. 



Black : male with the face white, with a broad black streak, or black, with the 

 inner orbits and a spot on the side of the clypeus white or yellowish; mouth 

 reddish or yellowish ; female with the mandibles red in the middle, the 

 inner orbits dull ferruginous ; antennae with the 2 basal joints black, red 

 beneath, or entirely red ; the 13 following, or the greater portion, yellowish, 

 remainder fuscous ; of the female involuted, with about the 6th to the 12th 

 joints white, rusty beneath ; thorax with a streak or dot beneath the wings, 

 and in the male with a line before them ochreous; metathorax with 2 very 

 obtuse spines _; scutellum ochreous ; abdomen with the 2nd and 3rd seg- 

 ments red, the extreme margin and also the base of the 3rd black, the 

 margins of the others whitish or glaucous, the 6th and 7th sometimes 

 entirely black in the females ; legs with the coxae and trochanters black, the 

 last in the male mostly red at the apex ; femora and tibiae red, posterior 

 black at the tip ; tarsi red, posterior more or less dusky ; wings yellowish- 

 hyaline, stigma dull saffron, costa rusty, scales the same or whitish. 

 Scarce : found near Loudon in June. 



Sp. 107. concinnatorius. Niger, annulo antennarum albo, collaris margine antice 

 tibiisque jiavis, his posticis apice nigro, segmentis 2 et 3 rujis, hoc basi nigro, 

 orbitis oculorum verticalibus pallidis. (Long. corp. 7 lin. ; Exp. Alar. 104 li'i-) 



Ic. concinnatorius. Steph. Nome?!. 2d edit. Appendix. 



Black : palpi fulvous ; frontal orbits pale yellowish ; antennae with the 8th to 

 16th joints white above, red beneath ; anterior margin of the collar yellow ; 

 scutellum white ; abdomen with the 2nd and 3rd segments pale red, the 

 base of the 3rd black, the apex of the last 3 with a white spot ; legs with 

 the femora black, the anterior pair reddish at the apex ; tibiae pale reddish- 

 yellow, the tip of the hinder pair broadly black ; tarsi yellow, the posterior 

 pair with the tips of the joints black ; wings yellowish-hyaline, with the 

 costa, stigma, and scales reddish-yellow. 

 Taken near London^ but very rare : a splendid species. 



Sp. 108. Sartorius. Niger, a^itennarum annulo, puncto ad radicem alarum mar- 



