576 PHYTOPHAGA. 



a small flavous spot. In the individual which I doubtfully treat as the female (but 

 which may possibly represent another species) the elytra have a number of closely 

 approached narrow longitudinal costae, while the head differs in the smaller and more 

 widely separated eyes, the lower portion of the latter being also much broader and 

 more produced than in the male insect. In all these forms the antennae and thorax 

 are of similar structure, and it therefore seems better to treat them as representing one 

 and the same species. 



11. Neobrotica vittatipennis. (Tab. XXXIII. fig. 13.) 



Black, the head, antennae, thorax, and legs flavous ; elytra semirugose-punctate, flavous, a subsutural vitta, 

 divided anteriorly, a lateral broader longitudinal band near the margin, and a subapical small sutural spot, 

 black ; the femora with a black streak above. 



Length 3 lines. 



Head impunctate, without distinct frontal tubercles, the vertex with a central groove ; antennae scarcely half 

 the length of the body, the second joint small, the third and following joints slender and elongate ; thorax 

 two and a half times broader than long, impunctate, the disc with a deep transverse groove; elytra 

 rugosely punctured, the punctuation near the suture somewhat arranged in rows ; legs elongate, the meta- 

 tarsus of the posterior tibiae as long as the following three joints together; claws appendiculate. 



Eab. Mexico, Juquila {Salle). 



A single specimen. This species may be recognized by the subsutural black band 

 of the elytra being interrupted anteriorly ; the subsutural band, as well as the sub- 

 lateral one, which is gradually widened posteriorly, does not extend to the base nor to 

 the apex of the elytra. The legs are rather slender and elongate. 



12. Neobrotica inconspicua. 



Pale testaceous, the lower joints of the antenna?, the tibia?, and the breast piceous ; thorax deeply grooved, 



impunctate ; elytra closely and distinctly punctured, with traces of longitudinal costae. 

 Length 4 lines. 



Hab. Mexico, Cerro de Plumas (Hoge). 



A rather large species, distinguished by its uniform pale testaceous colour, and the 

 closely punctured and obsoletely costate elytra. The five lower joints of the antennae 

 are piceous ; the other joints are broken off. N. inconspicua cannot be mistaken for 

 A r . semicostata, the latter having deeply and rugosely punctured elytra with very closely 

 costate interspaces. In the present insect the elytra have very faint indications of two 

 transverse bands, one before and another below the middle ; but whether this is acci- 

 dental or indicative of bands in more plainly marked specimens I am unable to say, as 

 only one example is before me. 



13. Neobrotica quadriplagiata. 



Fulvous, the base of the bead, the intermediate joints of the antennae, and the tibiae and tarsi black ; thorax 

 deeply grooved, impunctate ; elytra very distinctly but not very closely punctured, the interstices subrugose, 



