324 Capt. P. P. Kixe's South American Hymenoptera. 
Fem. Ater; villosus. Antenne rufe. Prothoracis margo angustissimé albi- 
cans. Pedes rufi, coxis et basi femorum nigris. Ale ferruginec, costa 
a basi usque in stigma rufescente. Squamulæ rufæ. Abdominis segmenta 
primum et secundum margine angustissimo albicante. 
Exemplar alterum segmento secundo toto nigro. 
Mas. 4ntennarum scapus dorso nigro-lineatus, subtüs flavus, clypeus et labrum 
sulphurei. Thorax et abdomen toti nigri immaculati. 
Obs. Thorax in hac specie anticé et posticé rotundatus, abdominis segmentum 
primum brevius et hirsuties J"espe faciem simulant. 
This species, which very much resembles a Vespa, was met with in some 
abundance by Lieut. Graves in Chili. 
*34. ODYNERUS LABIATUS, 7. S. 
Abdominis cingulis duobus, margine prothoracis et clypeo flavis; antennis, pedi- 
bus, alarum costd squamulisque rufis. Mas. 
Long. corp. 6 lin. Alar. 11 lin. 
Mas. Ater, capite et thorace subtilitér punctulatis, pube molli nigra obtectis. 
Antenne mutilate ; articulus primus qui solus superest rufus. Mandibule 
apice rufee. Clypeus sulphureus. Prothorax sulphureus, scapulis nigris. 
Metathorax minüs abrupté truncatus quàm sequenti, lineolá longitudinali 
elevatà. Pedes rufi, coxis nigris. Alc ferruginez, costa usque in stigma 
rufa, dehinc fuscee. Ale posticæ feré hyaline. Squamule ferruginez. 
Abdomen atrum, segmentis primo et secundo margine flavis, primo pu- 
bescente reliquis feré nudis. 
From Port St. Elena. Lieut. Graves took a female, and in that sex the cly- 
peus is black. 
35. ODYNERUS HUMERALIS, N. s. 
Abdominis cingulis duobus et strigá prothoracis flavis; antennis, ore, pedibus, 
scapulis, alarum costd squamulisque rufis. Fem. 
Long. corp. 9 lin. Alar. 14 lin. > 
Ater. Antemæ, clypeus, palpi et mandibulæ rufæ. Frons atro-lanuginosa. 
Labium prelongum. Rostrum mandibulare capitis longitudine. Thorax 
rudé punctatus, anticè hispidulus. . Scutellum et latera metathoracis lanu- 
