BRAZILIAN MUTILLA. 69 



21. M. inolaca %. — Length 16-18 mm — Velvety black. Head transverse, 

 narrower than thorax, with pro- and niesothorax and scutellum clothed with 

 a dense, erect black pubescence; eyes rounded, convex, polished ; clypeus with 

 three teeth on apical middle; mandibles fringed with pale pubescence. Protho- 

 rax with rounded anterior angles; scutellum convex; aji obtuse tubercle beneath 

 tegulse; pleura and metathorax with pale ochraceous sericeous pubescence, the 

 latter reticulated, short and transverse above and obliquely declivous behind, with 

 rounded sides, the pubescence long and loose; tegulse round, punctured, the pu- 

 bescence black. Wings much as in alagoa. Legs with pale glittering pubescence; 

 calcaria white. Abdomen shaped as in mystica, with the first segment depressed, 

 much more broadly dilated at apex, not constricted, sessile with base of second 

 segment and conforming iu outline therewith, clothed with pale ochraceous seri- 

 ceous pubescence, more dense on apical margin ; second segment sparsely punc- 

 tured, polished at base, a smooth impunctured line on disk, the apex finely and 

 closely punctured, on the base and sides the pubescence is pale and on remainder 

 of the abdomen above it is black and velvety ; venter with pale pubescence, ex- 

 cept on the two apical segments, where it is black ; second segment polished, 

 with large and small sparse punctures, the basal middle pinched into a prominent 

 carina or keel. 



Rio de Janeiro (November). Two specimens. 



22. n. eoiinbra %. — Length 7.5 mm. — Small, black. Head transverse, as 

 wide as thorax, thickly clothed with erect j)ale glittering pubescence, and when 

 viewed in front the arrangement of the pubescence around the ocelli give some- 

 what the appearance of a dog's face; the eyes rather large, convex and shining. 

 Thorax closely punctured, the pubescence black, pale and erect on prothorax and 

 apex of scutellum ; anterior angles of prothorax rounded ; pleura beneath tegulse 

 with a patch of dense white pubescence; scutellum flattened ; metathorax above 

 clothed with a short appressed silvery-white pubescence, a broad silvery-white 

 baud at base above. Wings fusco-hyaliue, clear at base; marginal cell broad, sub- 

 lanceolate, truncate at apex, not extending beyond tip of third submarginal, which 

 is subtriaugular and somewhat indistinctly defined; second submarginal pointed 

 at base, the first and second trausverso-cubital nervures widely separated on mar- 

 ginal. Legs pale fuscous, with pale pubescence; calcaria white. Abdomen with 

 basal segment very broad at apex, which is sessile with base of second segment 

 and conforming iu outline therewith, clothed with fine pale hair, the apical mar- 

 gin, and also of segments 2-4, densly fringed with silvery-white pubescence; 

 second segment shining, finely punctured, the pubescence pale and dense on apical 

 margin of the segments; second segment sparsely punctured, gibbous at base, 

 apical segment fuscous. 



Corumha (March). One specimen. 



23. M. inga % . — Length 7-7.5 mm. — Small, black, clothed with pale glitter- 

 ing pubescence, more dense on bead, prothorax. pleura, scutellum, base of meta- 

 thorax and apical margin of abdominal segments 1-4. Eyes large, round, convex ; 

 mandibles pale fuscous ; niesothorax with black pubescence; metathorax sparsely 

 pubescent, reticulated, rounded above and laterally ; the scutellum depressed. 

 Wings subhyaline, fuscous on apical third ; marginal cell sublanceolate, broadly 



TRANS. AM. ENT. SOC, XXVIII. JANUARY, 1902. 



