740 BOSTON JOURNAL 



raetathoracic groove and the larger and distant puncturing of the 

 larger segment of the tei'gum. It is also larger. 



* * Eyes entire or the emarg inat ion ohsohtc. 

 Ephuta. 



4. M. ERYTHRINA Klug. — Scarlet-red, beneath black; wings 

 blackish. 



Inhabits Mexico. 



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

 black ; antennfie and inferior part of the head black : wings 

 black-violaceous; radial cellule truncate at tip; third cubital 

 cellule pentagonal, contracted on the anal side, its apical nervures 

 almost obsolete : metathorax black : abdomon, anterior declivity 

 of the basal segment extending in an angle on the superior por- 

 tion of the segment, black ; petiole black ; venter with a slight 

 scarlet-red band rather behind the middle. 9 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. Klug 

 has favored me with the sexes, diifering in no respect from mine, 

 except in being a little larger. 



5. M. SCRUPEA. — % Black; with dilated punctures; tergum 

 with a whitish band. 



Inhabits Indiana. 



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

 on the stethidium and head are confluent and discoidal : mandi- 

 bles piceous before the tip ; wing-scale also punctured : wings 

 slightly dusky ; nervures blackish : stigma not distinct, or none ; 

 second cubital cellule larger than the first ; the third largest; 

 separating nervure [298] of the second and third cellules rectili- 

 near : metathorax reticulate with larger discoidal punctures and 

 having at base an oblong triangle : tergum, first segment short, 

 abruptly smaller than the second, petioliforni, with discoidal 

 punctures, hairy, abrupt before, and on the anterior inferior tip 

 having an angle on each side ; second segment with the punc- 

 tures rather distant, profound, with a band of whitish hairs on 

 the posterior margin : remaining segments with numerous whit- 

 ish hairs, and a dorsal elevated line. 



J^ength less than three-tenths of an inch. 



[Vol. I. 



