202 MANfiilBULATA. HYMENOPTEllA. 



Black: mandibles and palpi ferruginous; antennae slender, curved, 8 basal 

 joints black, ferruginous beneath, the 9th to 11th whitish, the remainder 

 rusty-brown ; thorax generally with a white dot before and another below 

 the Avings ; abdomen as wide as the thorax, with the 4 basal segments red, 

 the peduncle and other segments black ; legs rather slender, red, the coxae 

 black at the base, and the hinder tarsi fuscous. 

 Found at Coombe wood, in June. 



Sp.206. melanogonus. Niger, coxis posiieis calcaratis, abdomine rufo, apice 

 nigro, pedibus rufis, posticis geniculis nigris, antennis 3-coloribus. (Long, 

 corp. 2 — 34 lin. ; Exp. Alar. 3§ — 5§ lin.) 



Ic melagononus. Gravenhorst, 1. 581. — Steph. Nomen. 2d edit. col. 137. 



Black : palpi pale ; mandibles red, black at the tip ; antennae involuted, 6 

 basal joints rusty-red, the first 2 sometimes fuscous above, 7th to 9th 

 fuscous or rusty, or fuscous above and rusty beneath, 9th sometimes, and 

 3 or 4 following generally, white, mostly fuscous below, remainder fuscous; 

 abdomen with the basal segment red, peduncle more or less black, 2nd to 

 4th segments red, the margin of the latter occasionally black ; ovipositor 

 slightly exserted ; legs red ; posterior coxae armed beneath with a short 

 acute tooth, the tips of their femora and tibiae black, and the 4 anterior 

 coxae and trochanters yellowish. 



Variable in colour, the antennae being rather dissimilar in different individuals, 

 and the abdomen having sometimes the basal segment alone, or that and 

 the 2 or 3 apical ones black : the tooth on the posterior coxae also varies 

 in length. 

 Taken at Coombe and Darenth wood in June and July. 



Sp. 207. Troglodytes. Niger, abdomine rufo basi nigra, pedibus rufis, posticis 

 coxis femoribusque nigris, antennis subalbo annulatis. (Long. corp. 2 — 2g lin. ; 

 Exp. Alar. 3 — 4 lin.) 



Ic. Troglodytes. Gravenhorst, i. 687.— Steph. Nomen. 2d edit. col. 137. 



Black : antennae involuted, ferruginous, the 2 basal joints black, 7th to 9th 

 fuscous, 10th and 11th whitish, fuscous beneath, remainder red beneath* 

 abdomen red, with the basal segment very smooth and black ; ovipositor 

 very short and exserted, black; legs moderate, 4 anterior red, posterior 

 black, with the tips of the trochanters red, tibiae testaceous-red, with the 

 apex dusky ; wings smoky-hyaline, iridescent. 

 Pound near Hertford, and at Darenth wood, not common. 



Sp. 208. abdominator. Niger, antennis, pedibus abdomineque, basi excepto, 

 rufis, coxis posticis basifusco. (Long. corp. 4^ lin.; Exp. Alar. 7 lin.) 



Ic. abdominator. Steph. Nomen. 2d edit. col. 137. 



Black : palpi pale, mandibles reddish ; antennae curved, rusty-red, with the 

 basal joint dusky above; abdomen bright red, the basal segment black ; 

 legs pale red, 4 anterior trochanters yellowish; posterior coxae fuscous at 



