*- 



North American Rymenoptera. 297 



of the raetathoracic groove and the larger and distant 

 puncturing of the larger segment of the tergum. It is 

 also larger. 



* * Eyes entire or the emargination obsolete. 



Ephuta* 



4. M. erythrina^ Klug. Scarlet-red, beneath black; 



wings blackish. 



O 



Inhabits Mexico. 



Body with dense, bright scarlet-red hairs above ; be- 

 neath black : antenn(£ and inferior part of the head black: 

 tvings black-violaceous; radial cellule truncate at tip; 

 third cubital cellule pentagonal, contracted on the anal 

 side, its apicial nervures almost obsolete : metathorax 

 black: abdomen, anterior declivity of the basal segment 

 extending in an angle on the superior portion of the seg- 

 ment, black ; petiole black : venter with a slight scarlet- 

 red band rather behind the middle. $ with a black dot 

 rather behind the middle of the tergum. 



Length about nine twentieths of an Inch. 



I obtained a female of this species in Mexico, and Dr. 



KluQ^ has favored me with the sexes, differing in no 

 respect from mine, except in being a little larger. 



5. M. scrapea. (J Black; with dilated punctures; 

 tergum with a whitish band. 



Inhabits Indiana. 



Body black, a little hairy, and having large punctures, 

 which on the stethidiuni and head are confluent and dis- 

 coidal : mandibles piceous before the tip : wing-scale 

 also punctured: tvings slightly dusky; nervures black- 

 ish ; stigma not distinct, or none ; second cubital cellule 

 larger than the first ; the third largest ; separating nerv- 



VOL. I. PART III. 39 



