DESCRIPTIONS OF NEW EYMENOPTERA. 291 



Allied to A. annulipes, Cam., which, inter aUa, differs in having ihe 

 apical slope of the median segment areolated. 



Alyson erythrothorax, sp. nov. 

 Niger thorace rufo ; soapo antennarum subtns, clypeo, mandibulis, 

 lineaque orbitis oculormn flavis ; pedibus nigris, tibiis anferioribus an- 

 ticiss basique tibiarmn postioarmn albis ; alis hyalinis, apicefumotis. 9. 

 Long : 4 m.m. 

 Habitat : Simla. 



Antennse black ; the scape yellow below. Head thickly covered 

 with silvery pubescence ; the front closely -md distinctly punctured ; 

 the lower half of the inner orbits, the clypeus and the mandibles, 

 yellow ; the apices of the mandibles piceous. Thorax rufous ; the 

 lower part of the mesopleurge and the breast black : it is thickly cover- 

 ed with white pub-scence ; the propleurse striated in the middle ; the 

 mesonotum closely and distinctly punctured ; the scutellum more ob- 

 scurely punctured. ]M3dian segment rather strongly and irregularly 

 transversely striated ; the central area is rounded at the apex ; the 

 apical slope is oblique ; its central keel is stout ; shortly below its 

 middle is a transverse one, and below this is another shorter transverse 

 keel. Leo-s black ; the apices of the four anterior coxse the apes of 

 their trochanters, the four anterior tibiye in front, and the base of the 

 hinder tibise, white ; tha tarsi testaceous. Wings hyaline ; the apex 

 from the middle of the stigma smoky ; the transverse cubital nervures 

 are interstitial. Abdomen smooth antl shining. 



Allied to Alyson rufieolle, which may be known from it by the two 

 keels on the median segment being not united at the apex ; the pro- 

 pleurse are not. striated ; the hair on the front and vertex is black and 

 the wings have not a distinct cloud on the apex. 



VESPIDiE. 

 Zethus interstitialis, sp. nov. 

 Nio-er, sparse flavo maculato, dense albo piloso ; alis hyalinis, antice 

 fumato ; tegulis rufis ; cellula cubitali 2" appeudiculata. $. 

 Long : 10 m.m. 



Habitat : Matheian, in March. 



Antennae black ; the scape marked with yellow towards the apex ; 

 the flagellum rufous beneath at the apex. Clypeus sparsely punctured 

 and covered with a microscopic down ; on its top is an irregular 



