and Species of Gallerucinm. 77 
laterale abbrcviata et utrinque pustula magna ovali a vix infra 
basin fere ad medium extensa flavis. 
Long. 2 ^ lin. 
Hab. Ecuador. 
Head scarcely longer than broad; front impressed above 
the encarpse with a deep fovea; encarpm thickened, contigu¬ 
ous 5 carina strongly raised ; antennas filiform, the second and 
third joints short, the latter slightly longer than the second, 
less than half the length of the fourth, the three lower joints 
obscure fulvous, stained with piceous, the ninth and tenth 
yellowish white, the rest nigro-piceous. Thorax scarcely 
broader than long; sides slightly dilated and rounded just 
beyond the middle, converging at the apex; surface shining, 
impunctate, impressed on either side the middle disk with a 
deep fovea. Elytra oblong, slightly dilated posteriorly, finely 
but rather closely punctured ; outer disk below the humeral 
callus thickened and forming an ill-defined broad longitudinal 
costa, the space within which is deeply sulcate. 
Diabrotica generosa. 
D. obovata, modice convexa, nigra, nitida, femoribus flavis, abdo- 
mine piceo; antennarum articulis basalibus quatuor fulvis, duobus 
penultimis flavo-albidis, ultimo piceo; thorace rufo-piceo, disco 
bifoveolato; elytris tenuissime punctatis, utrinque macula elon- 
gata basali inter suturam et callum humeralo posita, altera 
minore oblonga infra callum humerale, fascia vix pone medium, 
utrinque abbrcviata, maculaque subapicali subrotundata magna 
albido-flavis. 
Long. 3 lin. 
Hab. Ecuador. 
Head much longer than broad; front impressed with a deep 
fovea; encarpse thickened, not distinctly separated from the 
front; carina rather strongly raised, linear ; labrum large ; 
antennas filiform, the second joint very short, the third one 
half longer than the second, the fourth longer than the two 
preceding united. Thorax more than a fourth broader than 
long ; sides parallel, sinuate, converging in front, the anterior 
angles thickened, the hinder ones slightly produced, acute ; 
surface shining, impressed on either side with a deep fovea. 
Elytra increasing in width from the base towards the apex, 
faintly depressed below the basilar space, finely punctured. 
Diabrotica fulvo-signata. 
D. anguste ovata, nigra, nitida, femoribus sordide fulvis; antennis 
articulis duobus basalibus, duobus penultimis ultimoquo basi 
pallide flavis; thorace transverso, subremote punctato, trifoveo- 
