BRAZILIAN MUTILLA. 55 



89. M. Andrei 9.— Length 13 mm.— Long and narrow, rugosely sculp- 

 tured, the head transverse, as broad as thorax, which is long and gradually nar- 

 rowed behind, not constricted when viewed from above ; the eyes very promi- 

 nent, convex and polished ; first segment of abdomen subnodose, only slightly 

 narrowed posteriorly; second ventral segment strongly but not closely punctured. 



Velvety black ; head entirely black, except some silvery hair on cheeks; two 

 narrow silvery pubescent stripes on thorax above, extending from apex of meta- 

 thorax to prothorax ; lower margin of flanks of thorax broadly silvery; lateral 

 margin of first segment of abdomen, a narrow stripe on middle of the segments 

 beyond the second, extreme sides of segments 2-4, and apical margin of ventral 

 segments 2-4, silvery pubescent ; two narrow, strongly arcuated, widely diver- 

 gent posteriorly, smooth, shining, pale yellow stripes on second segment above; 

 legs with pale glittering pubescence, calcaria white. 



Chtipada (October). One specimen. Easily recognized by the 

 two arcuated yellow stripes on second segment of abdomen. 



It give rae much pleasure to dedicate this fine species to Mr. 

 Ernest Andre, of Gray, France, who has very kindly aided me 

 in the preparation of this paper. 



90. JII. rectiliiieata Andre (Ann. Soc. But. Fr., Ixvii, 1898, p. 48).— 9.— 

 Length 8.5-11.5 mm.— Head and thorax coarsely rugose, the metathorax coarsely 

 reticulated, except apex and flanks which are shining and almost smooth ; thorax 

 broad anteriorly and narrowed behind mesothorax ; metathorax abruptly de- 

 clivous posteriorly ; abdomen longitudinally rugose, but less coarsely than thorax; 

 pygidium finely longitudinally aciculate ; the second ventral segment strongly 

 punctured. 



Black, with coarse black pubescence; head and thorax entirely black ; mandi- 

 bles sometimes red medially; two narrow, slightly bent and divergent, smooth, 

 polished, yellow stripes on second segment of abdomen, nearly reaching apical 

 margin ; apical margin of first segment more or less silvery; a silvery stripe on 

 disk of segments 3-5; the extreme sides of these segments also silvery ; "venter 

 with pale hair; legs entirely black; calcaria black or fuscous. 



Chapada. Easily recognized by the two smooth yellow stripes on 

 second segment of abdomen. 



91. M. ipaiieiiia 9 .—Length 9-10 ram.— Closely resembles rectiitneafa, but 

 differs by the narrower and not coarsely sculptured metathorax, which has two 

 narrow silvery pubescent stripes above, and a broad silvery stripe on lower mar- 

 gin of flanks; the first segment of abdomen is silvery at sides above, and the cal- 

 caria are white. 



Chapada. 



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



