BRAZILIAN MUTILLA. 65 



Mesothorax and scutellurn at base with black pubescence, that on prothorax and 

 pleura pale sericeous ; anterior angles of prothorax acute; mesothorax longitu- 

 dinally costate, the scutelluni convex, with long pale hair at tip; nietathorax 

 unarmed, depressed, with dense appressed silvery-white pubescence, the sides 

 angulate; tegulse large, elongate. Wings pale fuscous, subhyaline at base; mar- 

 ginal cell lor)g, narrow, lanceolate, broadly rounded or subtruncate at apex ; first 

 submarginal cell small, narrow, ol)lique, the second snbmarginal large, broad, 

 longer and larger than marginal, extending as far out as to apex of the latter, 

 and receiving the recurrent nervure beyond the middle; first and second trans- 

 verso-cubital nervures widely separated on marginal ; third submarginal large, 

 complete, but indistinctly defined, receiving the recurrent nervure slightly be- 

 yond the middle. Legs with pale pubescence, sparse on femora ; calcaria white- 

 Abdomen narrow, incurved at apex; first segment narrow, subquadrate, de- 

 pressed, clothed, like the metathorax, with dense silvery-white pubescence; 

 second segment strongly and rather closely punctured, the pubescence on base 

 and sides sparse and white, that on apical half indented anteriorly, and on re- 

 maining segments dense golden-fulvous ; venter with pale pubescence, the second 

 segment strongly punctured, the apical segment more or less pale testaceous. 



Chapada. One specimen. Resembles somewhat the description 

 given of inanrata Smith, but in that species the metathorax is said 

 to have a prominent discal tubercle. 



14. Ifl. vicoisa % . — Length 8 mm. — Black ; head, jjrothorax, pleura and 

 metathorax clothed with a more or less dense pale ochraceous pubescence, paler 

 and silvery on metathorax and pleura ; eyes emarginate. Anterior angles of 

 prothorax prominent, acute; mesothorax and scutelluni coarsely sculptured, the 

 pubescence black, long and mixed with pale on scutellum, whi<;h is convex ; tegulse 

 large, elongate, dark fuscous, broadly margined outwardly with pale testaceous. 

 Wings yellowish subhyaline, darker on apical margin ; marginal cell large, 

 broad, sublanceolate, broadly truncate at apex; second submarginal nearly as 

 large as the marginal, the apex extending nearly as far as to apex of marginal, 

 receiving the recurrent nervure beyond the middle, the first and second trans- 

 verso-cubital nervures widely separated on marginal ; third submarginal cell 

 large, complete, with the outer nervure very faint, broader below than above, re- 

 ceiving the recurrent nervure between middle and tip. Legs slender, the pubes- 

 cence and calcaria pale. Abdomen deeply and evenly punctured, especially on 

 second segment, the pubescence pale, dense and silvery on apical margin of basal 

 segment, which is broad, transversely subquadrate, depressed ; segments 1-3 

 fulvo-ferruginous, the pubescence on apex of second segment golden, white on 

 lateral apical margin, the fourth and following segments black, with pale pubes- 

 cence and together with the third having a longitudinal central carina. 



Chapada (April). One specimen. This species appears to re- 

 semble both simplexSm'ith and sqaamata Smith, but the descriptions 

 given are not sufficiently full to determine in either case. 



15. M. sincora %. — Length 11.5 mm.— Head and thorax black, abdomen 

 and legs fulvo-ferruginous; head, pleura and metathorax above densely golden- 



TKANS. AM. ENT. SOC, XXVIII. (9) JANUARY, 1902. 



