78 Mr. Joseph S. Baly on the 



Spec. 143. Diahrotica oclireata, Fabr. 



Ent. Syst., i., pt. 2, p. 4 ; Syst. EL, i., p. 456 (ocreata). 



Anguste ovata, postice anipliata, convexa, flavo-fulva, nitida, 

 pectore, tibiis plus minusve, scntello, labro, oculis antennarumque 

 articulo ultimo nigris ; thorace convexo, laevi ; elytris convexis, 

 prope medium transversim depressis, minute punctatis. 



Long. 2| — 3 lin. 



Hah. Brazil, West Indian Islands. My collection. 



Head not longer than broad; clypeal ridge entire, broad, ratlier 

 strongly elevated ; antennae equal to the body in length, filiform, 

 the second and third joints short, the third being rather longer than 

 tlie second, the fourth much longer than the preceding two united. 

 Thorax one-half as broad again as long ; sides nearly parallel and 

 sinuate behind the middle, rounded anteriorly, converging tovi'ards 

 the apex; disk convex, shining, impunctate. ScuteUum black. 

 Elytra oblong-ovate, dilated posteriorly, convex, transversely de- 

 pressed across the middle, not plicate on the sides ; surface very 

 minutely punctured. Tibiae to a greater or less extent black or 

 nigro-piceous. 



Three specimens labelled Brazil, formerly in the col- 

 lection of the late E. Deyrolle, do not difler in the 

 slightest degree from those from Guadelouj)e. 



Spec. 144. Diahrotica asignata. 



Anguste ovata, postice ampliata, convexa, flava, nitida, tibiis, 

 tarsis anteniiisque nigris, his ad basin flavis, articulis nono et decimo 

 albidis ; thorace convexo, lievi ; elytris leviter rugulosis, crebrc 

 punctatis. 



Long. 2f lin. 



Hah. Cayenne. Unique in my collection. 



Head scarcely longer than broad, triangular; clypeus with a 

 broad longitudinal ridge ; antennae about four-fifths of the body in 

 length, filiform, the second joint short, moniliform, the third dis- 

 tinctly longer, obconic, the fourtli longer than the preceding two 

 united ; the three lower joints flavous, the ninth and tenth white, 

 the rest black. Thorax about one-half broader than long ; sides 

 nearly parallel and obsoletely sinuate from the base to beyond the 

 middle, thence obliquely converging towards the apex ; upper 

 surface convex, impunctate. Elytra oblong-ovate, dilated pos- 

 teriorly, regularly rounded at the apices, convex, finely' rugulose, 

 strongly and closely punctured. 



