SPECIES OF THE aEIfUS DrABROTICA, 215 



lastly, a subrotundate spot halfway between the middle and the 

 aj)ex, pale grassy green. 



In var. A the transverse fascia is replaced by a rotundate spot. 



4. DiABROTiCA GRATiosA. Subelongata, postice paullo ampliata, 

 fulva, nitida; metasterno, tibiis, tarsis, scutello capiteque nigris ; anten- 

 nis basi piceis, articidis 9-10 albidis ; thorace subquadrato, Isevi, rufo- 

 testaeeo ; elytris sat crebre, evidenter puuctatis, infra basin leviter 

 excavatis ; cyaneis, limbo laterali, apice ampliato, fascia lata vix pone 

 medium et utrinque macula rotundata ante medium, flavis. Long. 

 3 liu. 



Var. A. Elytris pone medium flavis, et fascia obliqua, utrinque ab- 

 breviata, cyanea instructis ; macula flava ante medium obsoleta. 



Hah. Type, Sta. Carlos : coll. Steinheil. Var. A, Colombia : my 

 collection. 



Head not longer than broad, triangular ; front impressed with 

 a deep oblong fovea, which extends downwards between the 

 encarpee, the latter siibpyriform, not distinctly separated from 

 the front ; carina raised, narrowly wedge-shaped; antennae fili- 

 form, the second and third joints short, equal, the fourth as long 

 as the preceding two ; the three lower joints piceous, the ninth 

 and tenth white. Thorax scarcely broader than long; sides 

 straight and parallel from the base to beyond the middle, thence 

 converging to the apex; surface smooth, impunctate. Elytra 

 broader than the thorax, narrowly oblong-ovate, dilated poste- 

 riorly ; convex, slightly excavated below the basilar space, rather 

 closely and distinctly punctured. 



B. Elytra castaueous or rufo-castaneous, their apices nigro-seneous, 

 coarsely rugose ; epipleura clothed with bright yellow hairs. 



5. DiABEOTiCA CHETSOPLEUEA, Harold, Gol. Hefte, xiii. 1875, 

 p. 92. 



Hah. Sta. Martha, Magdalena Eiver : my collection. LaUga: ^ 

 coll. Steinheil. 



All the specimens that I have seen of this species have the 

 elytra rufo-castaneous, with the extreme outer disk and the apices 

 nigro-seneous. 



C. Elytra yellow, with small black spots or vittse. 



6. DiABROTiCA HiSTRioNicA. Subclongata, postice ampHata, pallide 

 ilavo-fulva ; metasterno, scutello capiteque (antennis exceptis) nigris ; 

 thorace subquadrato, laevi, bifoveolato, rufo-piceo, fulvo marginato ; 



