75 
and Species of Gallerucinas. 
distinctly longer than the second, one half the length of 
the fourth, four outer joints black ; eyes black. Thorax sub¬ 
quadrate ; sides parallel, sinuate behind the middle, slightly 
converging at the apex ; disk smooth, impressed on either side 
with a deep fovea. Elytra narrowly oblong-ovate, closely 
and rather strongly punctured, subopaque, the green outer 
limb nitidous. 
Diabrotica nigriceps. 
D. subelongata, flavo-fulva, nitida, capite nigro ; antennis sordide 
fulvis, articulis primo, sexto, septimo et octavo nigro-piceis, nono, 
decimo et undecimo albidis ; thorace late transversim excavato ; 
elytris oblongis, tenuiter punctatis, prope medium transversim 
depressis, ad latus infra medium excavatis, pallide castaneis, 
limbo apicali flavo. 
Long. 3| lin. 
Hab. Guatemala. 
Head longer than broad, wedge-shaped, vertex smooth ; 
front impressed with a deep fovea; encarpas ill-defined ; carina 
short, linear ; antennas filiform, the second joint short, the third 
nearly three times its length, three fourths the length of the 
fourth. Thorax transverse; sides parallel and distinctly 
sinuate behind the middle, slightly dilated in front of the 
latter, the anterior angles obtuse, the hinder ones subacute; 
disk shining, impressed at base and apex with a few shallow 
punctures, broadly and deeply excavated transversely on the 
disk. Scutellum trigonate, nigro-piceous. Elytra narrowly 
oblong, finely punctured, transversely depressed near the 
middle, obliquely excavated on the outer disk just below 
the latter, the basilar space distinctly elevated, the humeral 
callus thickened. 
Diabrotica interrupto-fasciata. 
D. anguste ovata, nitida, subtus nigra, pube grisea sat dense vestita, 
pedibus prothoraceque fiavis ; supra flava, antennis, basi excepta, 
nigris; thorace transverso, lateribus latis, parallelis, disco bi- 
foveolato, utrinque ante medium puncto nigro-piceo notato ; scu- 
tello nigro; elytris oblongis, rugoso-punctatis, utrinque infra 
callum humerale elcvato-costatis, flavo-fulvis, vitta suturali, basi 
et apice saepe abbreviata, fasciisque tribus, nna infra basin, 
secunda prope medium tertiaque inter medium et apicem, his 
fasciis plus minusve interruptis, nigris. 
Long. 3 lin. 
Hab. Oaxaca. Collected by M. Salld. 
Head longer than broad; front impressed above the encarpas 
with a deep fovea; encarpas thickened, contiguous ; carina 
raised, narrowly wedge-shaped. Antennas equal to the body 
