HYMENOPTERA 621 



much narrower than the second segment at apex or than the metanotum, second 

 segment narrow at base and smaller than the third segment, which is the largest. 



Dyscritobaeus, front wing. 



Pseudobaeus, front wing and female antenna. 



( I ) Pseudobaeus peregrinus, sp. nov. 



Male : head and thorax dark brown or blackish, abdomen brown more or less 

 suffused with black or very dark brown, the first segment always paler, yellowish brown; 

 scape of antennae more or less yellowish brown, legs for the most part sordid. 



Female much lighter brown than the male, the thorax darker than the face, the 

 abdomen with dark margins, scape in front concolorous with the face or nearly so, 

 the flagellum more sordid, legs testaceous. 



Head punctured, the face smooth and shining, impunctate, mesothorax and 

 scutellum closely punctured, clothed with short white hairs, lower posterior angles of 

 propodeum prominent or spinose. First and second abdominal segments longitudinally 

 striate, the third with excessively fine striae. Antennal scape of i about as long as the 

 four following joints together, pedicel evidently smaller than the first funicle joint, 

 which is longer than the following, the second to sixth being roundish, small and 

 subequal ; seventh, eighth and ninth rather larger, the apical joint elongate, acuminate. 

 Scape of female long, cylindrical, longer than the pedicel and funicle together, pedicel 

 longer and larger than the first funicle joint, which is evidently longer than wide and 

 about equal to the three following joints together, these being very short or transverse ; 

 club ovate, equal to the scape in length. Length 75 mm. 



Hab. Oahu, Honolulu. 



Dyscritobaeus, gen. nov. 

 Male : head fully as wide as the thorax, the eyes pubescent, the vertex concave 

 behind, the ocelli in a triangle, widest at the base, but the outer ones are very remote 



80—2 



