BRAZILIAN MUTILLA. 67 



17. M. niystica Gerst. ( Archiv. f. Xatmg., xl, p. 48).— % .—Length 15 diiu. 

 — Velvety black. Head large, broader than thorax, transversely quadrate, 

 densely and finely punctured, the pubescence black and erect, except on clypeus 

 where it is pale; a large, strong, subacute tooth on cheeks beneath posteriorly; 

 clypeus with two long teeth on apical middle ; eyes small, ovate, depressed, 

 minutely facetted ; scape of antennae fringed with long pale pubescence. Pro- 

 and niesothorax closely punctured, clothed with black pubescence; tegulse pice- 

 ous, shining; scutellum convex, deeply punctured, orange-ferruginous; pleura 

 and metathorax densely pale silvery ochraceous tomentose, with longer whitish 

 hair. Wings fuscous, the base and a large spot beneath stigma, hyaline; mar- 

 ginal cell short, broadly rounded at tip, not extending beyoud the very short, 

 subqnadrate second submargiual, which is often more or less incomplete ; third 

 submarginal cell not enclosed Legs thickly fringed with long pale hair; calcaria 

 black. Abdomen short ovate; first segment depressed, not nodose or constricted 

 at apex, gradually dilated posteriorly and sessile with base of second segment, 

 the pubescence pale-ochraceous, more dense and appressed on apical margin ; 

 second segment densely and finely punctured, the pubescence black, except on 

 sides at base where it is pale silvery-ochraceous and appressed ; remaining seg- 

 ments with black pubescence, longer, sparse and whitish on extreme sides; ven- 

 ter polished, the pubescence sparse and pale except at apex; second segment 

 sparsely punctured. 



Rio de Janeiro (November). Easily recognised by the orange- 

 ferrugiuous scutellum, and silvery tomentose metathorax and base of 

 abdomen. 



18. ill. barbozai, % . — Length 15 mm. — Black, opaque. Head larger than 

 the entire thorax, very broad (6 mm.), transversely subquadrate, finely punc- 

 tured, with sparse pale pubescence, more dense on the front and on anterior mar- 

 gin of clypeus; occiput deeply broadly emargiuate posteriorly, the lateral angles 

 produced, broadly rounded, compressed and carinate, the cheeks beneath with a 

 long stout tooth directed backward ; clypeus very transverse, narrow, and deeply 

 depressed; mandibles long, narrow, bidentrate at tip; eyes small, ovate, flat- 

 tened ; ocelli minute. Thorax much narrower than the head, deeply punctured, 

 the pubescence short and pale, that on pleura and metathorax dense and ochra- 

 ceous, brown at base of the latter, and at sides and apex long and pale ; meta- 

 thorax closely punctured and rounded behind ; the tegulae castaneous, rounded, 

 polished ; scutellum convex. Wings fuscous, with a pale spot at tip of second 

 submarginal cell, neuration much as in alagoa, except that the marginal cell is 

 longer, narrower and gradually rounded to apex. Legs slender, clothed with 

 pale pubescence; calcaria white. Abdomen short, ovate, very finely and closely 

 punctured, shining, clothed with pale sericeous appressed pubescence, except on 

 apical middle of second segment where it is black and very short; first segment 

 depressed, broad and subconstricted at apex, sessile with base of second segment 

 and conforming in outline thevewith ; venter polished, with sparse, appressed, 

 pale pubescence, more dense on apical margin of the segments; second segment 

 sparsely punctured, the basal segment with a short prominent carina on disk. 



Chapada (February). One specimen. Easily recognized by the 



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



