24 MANDIBULATA. HYMENOPTfiKA. 



Taken at Coombe and Darenth woods ; also near Hertford and 

 Dover, in May and June. 



Sp. 5. immunis. Niger, jjedibus pallidis, femoribus posticis nigris, alii hyalinis 

 nervuris suhfuscis. (Long. corp. 2 — 3 lin.; Exp. Alar. 4 — 44 lin.) 



CI. immunis. Steph. Catal. 328. No. 3781. 



Head, thorax, abdomen, and antenna; black ; legs pale, with the posterior 

 femora black; wings hyaline, with the nervures and stigma brownish. 

 Found in June at Hertford. 



Sp. 6. pilicornis. Niger, pedibus pallidis, iibiis posticis lined fused latere interno, 

 femorum iibiarumque apice albido-ochraceis. (Long. corp. 3 lin. ; Exp. Alar. 



4_4i-]in.) 

 CI. pilicornis. Curtis, v. x. pi. 457. — Steph. Nomen. 2d edit. col. 124. 

 Head, thorax, abdomen, and antennae black ; legs pale, with the tips of the 



femora and of the tibiae whitish ochre, the hinder pair with a fuscous line on 



the inner side ; tarsi brownish-ochre ; wings pale yellowish-brown, with 



the costa and stigma darker; nervures pitchy. 

 The antennae of the male are pilose, but not more so than in other species of 



the genus. 



Found in the vicinity of the metropolis in June : taken on the 20th 

 June last on Forest Hill, near Dulwich. 



Sp. 7. luteicornis. Plate xxxviii./. 1. — Luieus, capite, thorace, pectore abdo' 

 minisque basi nigris, alis lutescentibus apice pallidis. (Long. corp. 3 — 3§ lin.; 

 Exp. Alar. 5— 6^ lin.) 



CI. luteicornis. Steph. Catal. 328. No. 3782. 



Head and thorax black, the shoulders luteous ; abdomen luteous, with a black 

 spot at the base ; breast black ; legs luteous, with the apex of the hinder 

 tibiffi and of the joints of the posterior tarsi fuscous ; wings lutescent at the 

 base, pale at the apex, the nervures pale testaceous, the stigma fuscescent ; 

 palpi and antennae pale luteous, the 2 basal joints of the last black. 



Metathorax sometimes with 2 pale spots. 



Apparently very rare : my specimens were taken at Darenth wood, 



in July, many years since. 



Genus XI.— PRISTIPHORA, LatreiUe. 



Antennee 9-jointed, rather short; simple, finely pubescent in the males, 

 setaceous, 2 basal joints short, remainder decreasing in length from the 3rd 

 joint : mandibles slightly dentate : head rather wide : ocelli 3 : wings ample ; 

 anterior with 1 marginal and 3 submarginal areolets; the 1st elongate, large, 

 2nd small, quadrate ; 3rd extending to the apex : bodi/ short, rather stout : 

 legs simple in both sexes, 4 posterior tibi(S with 2 acute spurs at the apex. 

 Pristiphora appears to form an intermediate genus to Cladius and 



