120 HYMENOPTERA 



I. coNSANGUiNEUs. Smith, Trans. Ent. Soc, 1876,7;. 4'^6- 



Male. Black ; the flagellum of the antennae fulvous beneath. 

 Thorax: a transverse yellow Ihie beneath the wings; the stigma and 

 nervures of the wings ferruginous ; the wings pale f ulvo-hyaline ; the 

 legs f ulvo-f erruginous ; the coxae, trochanters, and tips of the posterior 

 femora and tibiae black. Abdomen : the second and third segments 

 f ulvo-f erruginous . 



Length, 6-7 lines. 



I. iNVECTUs. Smith, Trans. Ent. Soc, 1876, p. 475. 



Female. Black ; mandibles ferruginous towards their apex, the 

 palpi pale rufo-testaceous. Thorax shining ; the mesothorax with a 

 few very fine scattered punctures ; the scutellum and post-scutellum 

 ferruginous ; wings fulvo-hyaline, the nervures pale ferruginous ; the 

 legs fulvo-ferruginous, rather stout, with the coxae and trochanters 

 black. Abdomen shining, impunctate, with the two basal segments 

 fulvo-ferruginous ; the base of the petiole black. 



Length, 5—52 lines. 



I. soLLiciTORius. Fabricius, Syst. Ent., 1774, p. 332. 



Antennae porrect, black. Head black, the front yellow. Thorax 

 black, unspotted ; the scutellum yellow. Abdomen black, the first 

 tkree segments red. Legs red. 



I. coNSPiRATUs. Smith, Trans. Ent. Soc, 1876, j». 475. 



Female. Ferruginous, with the apex of the abdomen black. 

 Head : a black or dusky spot on the face on each side of the clypeus ; 

 the antennae fuscous above. Thorax : two narrow lines on the meso- 

 thorax anteriorly ; the scutellum, post-scutellum, and two spots on 

 the metathorax, yellow; the mesothorax and head closely and rather 

 strongly punctured, the metathorax smooth and shining ; the wings 

 fulvo-hyaline, their nervures rufo-testaceous ; legs ferruginous, of a 

 lighter red than the thorax; the posterior coxae greatly swollen and 

 yellow above. Abdomen smooth and shining, with the three basal 

 segments red, the rest black. 



Length, 4i lines. 



I. PERFiDiosus. Smith, Trans. Ent. Soc, 1876, p. 475, pL 4, /. 5. 



Male. Head and thorax black ; abdomen red, with the apex black. 

 Head : a triangular yellow spot at the inner orbit of the eyes opposite 

 the anterior ocellus ; the clypeus, mandibles, and palpi ferruginous, 

 the latter palest ; usually a minute ferruginous spot on the scape in 



