212 HYMENOPTEEA. 



be entirely black, except the yellow middle ring ; the second and third abdominal seg- 

 ments are marked on either side, at the base, with a large brown mark ; the pleurae 

 only finely striated. 



PHYGADEUON. 



Phygadeuon, Gravenhorst, Ichueum. Europ. ii. p. 635. 



A genus widely distributed over the temperate regions of the globe, and no doubt 

 also in the warmer parts. 



1 (2). Body and legs entirely rufous; stigma testaceous semifumatus. 



2 (3) . Body and legs reddish ; apex of abdomen, and more or less of femora, 



coxae, and trochanters, black ; stigma black, white at base .... alpinus. 



3 (6). Thorax black, marked with white; metathorax pale testaceous; legs and 



abdomen pale honey-yellow. 



4 (5). Wings hyaline ; face black satageus. 



5 (4). Wings smoky; face white alMcollis. 



6 (7). Thorax entirely black ; antennae with a white annulus; legs and abdomen 



honey-yellow zapotecus. 



7 (6). Thorax, antennae, legs, and base of abdomen black, the remainder of 



abdomen rufous melanopoda. 



1. Phygadeuon semifumatus. 



Ferruginous ; antennis nigris, basi rufa, medio flavo ; tegulis flavis, abdominis basi nigra ; alis subfumatis, 



stigmate fusco, basi pallida, c? • 

 Long, fere 9 millim. 



Hab. Mexico (SalU). 



Antennae thickish, densely pilose, as long as the body, the third and fourth joints 

 subequal. Head nearly as broad as the mesothorax, punctured, covered with silvery- 

 white pubescence ; front projecting, the middle forming an indistinct roundish tubercle ; 

 clypeus at the base surrounded by a semicircular furrow, the apex bluntly rounded ; tips 

 of the mandibles black, the palpi yellow. Thorax punctured ; mesonotal sutures almost 

 obsolete. Scutellum shining, yellowish, broad at the base, flattish, almost impunctate. 

 Metathorax with a gradual slope, more shining than the mesonotum, covered (especially 

 on the sides) with longish pale hair, and scarcely punctured ; basal area distinct ; supra- 

 median area longer than broad ; tubercles blunt, short. Abdomen shining, impunctate, 

 covered (particularly on the sides) with pale pubescence. Areolet with a distinct pro- 

 jecting angle on the lower side ; the lateral nervures converging. 



2. Phygadeuon albicollis. 



Rums ; antennis, vertice, pronoto, mesonoto apiceque tarsorum posticorum, nigris ; facie, orbitis, prosterno, 



linea pronoti, tegulis maculaque mesopleurali, albis ; alis fumatis. $ . 

 Long. 7 millim. 



Hrib. Panama, Bugaba (Champion). 



