HYMExNOPTERA FROM LOWER CALIFORNIA. 



19 



Epeolus occidentalis Cr. Two ? and one $ speci- 

 mens. Margarita Island, L. Cal. {Haines). March. 



Ericrocis rugosa n. sp. 



3. — Labrurn rounded anteriorly, coarsely rugose; 

 upper part of front and the vertex with distinct, but not deep, 

 separated punctures; ocelli forming almost a straiirht 

 line; antenna? not reaching the apex of the tegula?, the 

 flagellum scarcely narrowed to the apex, joint one of 

 flagellum a little shorter than the second, which is a little 

 longer than the third, joints 3-9 are about equal in length, 

 the last joint longest; dorsulum and scutellum sub-opaque, 

 impunctate, the scutellum strongly bituberculate, the 

 tubercles round and not dentate; legs robust, particularly 

 the hind pair; fourth ventral abdominal segment with its 

 apical margin somewhat reflexed. Black, the flagellum 

 beneath reddish-brown; front, clypeus, thorax on the sides 

 and on the dorsulum anteriorly, three small patches on 

 the scutellum and dorsulum, abdominal segments 1-5 with 

 a large transverse patch on each side, either a dirty 

 yellowish-white or tawny*, the abdominal patches are on 

 the first segment ovate, on the second segment much 

 narrowed medially, and broadened on outer end, as are 

 likewise those remaining; on the thorax beneath the 

 pubescence is whitish; legs brownish, black in spots, the 

 tibi« at base on outer side with a patch of pale pubescence ; 

 wings sub-hyahne, the apical portion, including a part of 

 the marginal cell, stained with brownish, nervures ferru- 

 ginous; tegul^e and the apical margins of the abdominal 

 segments testaceous. Length, 12 mm. 



Santa Maria, L. Cal. {Haines). May. 



Heriades sp. San Luis, L. Cal. {Haines). April. 



* The specimeu having been in alcohol, leaves me in some doubt as to 

 the original (^olor of the pi;bescence. 



