NORTH AMERICAN HYMENOPTERA. 199 



scutellum finely punctured; metathorax roundly truncate, coarsely reticulate, 

 dorsal groove not extending to the middle ; sides closely punctured ; tegula? ovate, 

 minutely punctured ; wings fuliginous, marginal cell elongate ovate, obliquely 

 truncate at tip, first submarginal long, narrowed to base, second similar in form 

 and pointed towards base, its apical nervure arcuate, third irregularly hexagonal, 

 its outer angles with abbreviated nervures ; legs black, thinly clothed with glit- 

 tering hairs, calcaria white ; abdomen ovate, narrowed to apex, basal segment 

 black, closely punctured, subsessile with the second, which is bright ferruginous, 

 finely punctured, the punctures becoming finer and denser at sides, apical margin 

 blackish, fringed with black pubescence ; segments dark ferruginous, finely punc- 

 tured, fringed with brownish black pubescence, ventral surface same as above. 

 Length 12 mm. ; expanse of wings 19 mm. 



Hab. — Texas. Belfrage. 



jtfiitilla senex Guer. 



Male. — Head roundly transverse, densely clothed with appressed, pale golden, 

 or ochraceous pubescence ; scape of antenna? pale rufous, clothed with pale glitter- 

 ing pubescence, flagellum pruinose, mandibles ferruginous, tipped with black ; eyes 

 ovate, acutely emarginate within, ocelli prominent ; thorax robust, ovate, finely 

 and densely rugose ; prothorax fusco-testaceous ; metathorax roundly truncate, 

 castaneous, coarsely reticulate; sides fusco-testaceous, coarsely punctured, entire 

 thorax thinly clothed with short, erect, pale hairs; legs castaneous. clothed with 

 moderately long, pale, glittering hairs, calcaria pale ; wings pale fuscous, paler 

 towards the base, three submarginal cells, marginal cell broadly ovate, first sub- 

 marginal subtriangular, pointed towards base ; second smaller and sharply pointed 

 towards the first, and receiving the first recurrent nervure a little beyond the 

 middle ; third submarginal hexagonal, its basal nervure arcuate ; tegula? honey 

 yellow, smooth and very convex ; abdomen ovate, narrowed to apex ; basal seg- 

 ment rufous, second segment fulvous, shining, finely and remotely punctured, 

 thinly clothed with short, pale, erect pubescence; remaining segments rufous: 

 apical margins fringed with pale golden pubescence above and beneath. Length 

 14 mm. ; expanse of wings 23 mm. 



Hab. — Cuba. 



M ut ilia floriclensis Blake. 



Male. — Head transverse, not as wide as thorax, black, coarsely punctured, face 

 clothed with whitish pubescence, longer and denser about the mouth; antenna? 

 piceous, scape clothed with glittering hairs ; eyes ovate, acutely emarginate; tho- 

 rax robust, ovate, pro- and mesothorax ferruginous, closely punctured, the latter 

 bearing two discal, longitudinal, faintly impressed lines, apical margin black ; scu- 

 ' tellum rounded, punctured ; metathorax rounded, coarsely reticulate, black at 

 apex ; tegula? black, large, polished ; wings moderate, fuliginous, marginal cell 

 ovate, obliquely truncate at tip, first submarginal long and narrow, second long, 

 pointed at base, receiving the first recurrent a little before the middle, third 

 irregularly hexagonal, its outer angles with abbreviated nervures; legs black, 

 thinly clothed with glittering hairs, calcaria white ; abdomen ovate, narrowed to 

 apex, ferruginous, finely punctured, apical margins of all the segments fringed 

 with ferruginous pubescence, under side of thorax black, coarsely punctured, a 

 ferruginous spot between anterior and middle coxa?. Length 13 mm. 

 Hab. — Florida. Three specimens. 



