1894.] COLEOPTEBA OP THE GENUS (EDIONTCHIS. 627 



scutellum black ; elytra very closely and slightly more strongly 

 punctured than the thorax, widened at the middle, with a narrow 

 flattened margin, flavous, the extreme apex with a transverse 

 black spot ; below black, the prosternum and the base of all the 

 femora flavous. 



Hah. Upper Amazons. 



(EdIonychis pabdalis, n. sp. (Plate XXKVIII. fig. 1.) 



Dark fulvous, the vertex, antenna, the scutellum, and the tibiae 

 blackish ; thorax extremely minutely punctured ; elytra closely and 

 strongly punctured, fulvous, a spot on the shoulders, another near 

 the scutellum, a transverse spot below the middle, and two small 

 ones near the apex, black. 



Length 4 lines. 



Head punctured round the eyes, the vertex greenish black, the 

 lower portion fulvous, labrum and palpi piceous ; antennas black, 

 joints three and four nearly equal ; thorax three times broader 

 than long, the sides straight at the base, rounded in front, the 

 anterior angles slightly dentiform, the sides broadly flattened, the 

 surface very finely punctured, only visible under a strong lens ; 

 scutellum black ; elytra rather strongly and closely punctured, each 

 with five small black spots, of which oue is placed on the shoulder, 

 another near the suture below the scutellum, the third, of trans- 

 verse and oblique shape, below the middle, and two very small 

 spots placed transversely near the apex ; underside and legs dark 

 fulvous, the anterior tibiae obscm*e piceous, abdominal segments 

 rather closely and distinctly punctured, with some yellovdsh pu- 

 bescence. 



Hob. San Paulo, Brazil. 



CEdionychis vigintinotata (Clk. Catal.). (Plate XXXVIIl. 

 fig. 10.) 



Black, the terminal segments of the abdomen flavous, above 

 dark greenish, subopaque; thorax impunctate, with six flavous 

 spots, anteriorly and posteriorly ; elytra with seven flavous spots 

 each (2.2.2.1), these finely punctured, rest of surface opaque, 

 impunctate. 



Length 2|- lines. 



Head flat, opaque, with a few punctures near the eyes only, 

 dark greenish, the frontal tubercles and carina almost entirely 

 wanting ; antennae short and stout, black, the joints scarcely longer 

 than broad, slightly thickened towards the apex ; thorax scarcely 

 more than twice as broad as long, the sides straight at the base, 

 slightly rounded anteriorly, the anterior angles not produced, 

 rather blunt, the sides with a narrow reflexed margin, the surface 

 entirely impunctate, more shining than the elytra, the anterior 

 margin with three small bright flavous spots, one at each 

 angle, the third at the middle, the base with three similar spots 

 placed in the same positions ; scutellum broader than long, 



42* 



