218 MANDIBULATA. HYMENOI'TERA. 



below the scutelium, and the scutellum itself, yellow ; abdomen oblong- 

 ovate, basal segmcvit black, with the tip fulvous, 2nd red, with a black spot 

 on the back, 2 following red, 5th black, with its sides chestnut, 6th and 7th 

 black ; legs slender, tawny, coxae and trochanters paler beneath, posterior 

 tibise black at the apex and the tarsi dusky; wings yellowish-hyaline • cellule 

 irregularly 3-angular, petiolated, the outer nervure rather obscure. 

 Found at Darenth wood in June ; not uncommon. 



Sp. 20. cinctulus. Niger, facie et scutelli apice flavis, segmeiito 1 nigro, sequent 

 tibus margine et lateribus riifis, ultimis totis testaceis : pedibus anterioribus 

 testaceis, posticis nigro fuscis, coxis et trochanter ibus subtus strainineis,femo- 

 ribus Jiiedio riifis. (Long, corp, 3| lin.; Exp. Alar. 5 lin.) 



Me. cinctulus. Gravenhorst, ii. 37. — Sieph. Nomen. 2d edit. Gen. 714. 20. 



Black : face and mouth yellow, apex of the mandibles black ; antennae porrect, 

 fulvous beneath, the 2 or 3 basal joints entirely black ; scutellum a little 

 elevated, its apex yellow ; abdomen clavate, basal segment long and black, 

 2nd black, with the margin broadly rufous, 3rd to 5th reddish-yellow, with 

 the base black, and the extreme margin glaucous-yellow, the remainder 

 tawny-yellow ; legs slender, 4 anterior testaceous, with the coxse and tro- 

 chanters paler; posterior brown-black, with the coxa3 and trochanters 

 straw-coloured beneath, femora dull red in the middle, and the tibiae the same 

 towards the base, both black'at the base and apex ; wings subhyaline ; cellule 

 3-angvilar, petiolated. 



This, and the following beautiful species, depart considerably in habit from the 

 rest of the genus, and will probably be some day removed. 

 Also rare : taken at the end of June, at Darenth wood. 



Sp. 21. sponsorius. Niger, facie scutello et colli parte infera flavis, abdomine 

 rufo basi nigra, apice jiavo, pedibus rufis, posticis nigro-maculatis. (Long. 

 corp. 3 — 34 lin.; Exp. Alar. 4i — 6 lin.) 



Ic. sponsorius. Fabr. Piez. 64. — Me. sponsorius. Steph. Nomcn. 2d edit. 

 Gen. 714.21. 



Black : face and mouth yellow ; mandibles black at the tip ; antennae porrect, 

 slightly curved at the apex, above fuscous, but reddish towards the tip, 

 beneath fulvous, with the 3 basal joints black ; thorax with part of the neck 

 below, and also a dot beneath the scutellum, and the scutellum, yellow; 

 abdomen somewhat clavate, the basal segment black, with the tip red or 

 fulvous, 2nd red or pale tawny, 3rd either fulvous, or red, with the extreme 

 margin yellow, and sometimes with a black streak within the edge, 4th 

 yellow, tawny-red at the base, the extreme base and a streak towards the 

 margin black, remainder yellow, with a black spot at the base of the 5th ; 

 legs moderate, fulvous, 4 anterior with the coxse and trochanters pale 

 yellow, coxae above black or red, posterior coxse and trochanters yellow, 

 above black or red, femora with the base and apex black, tibiie at the 

 apex and towards the base (the base itself being reddish) black; tarsi 



