and of uncharacterized species of HalticirKB. 297 



Aphthona diversa. 



Subelongata, convexa, picea, nitida, vertice, scutello, 

 pectore abdomineque nigro-piceis ; thorace tenuiter punc- 

 tato, rufo-fulvo, pedibus antennisque sordide fulvis, his 

 extrorsum femoribusque posticis piceis; elytris viridi- 

 metallicis, minus fortiter punctato-striatis. 



Long. ^ lin. Hah. — Mexico, Teapa. 



Vertex and front black, impimctate, lower portion of face 

 piceous ; encarpje oblique, distinctly thickened, ovate, con- 

 tiguous ; carina not defined ; antennae more than half the 

 length of the body, robust, five lower joints obscure fulvous, 

 the rest black ; ' second and third joints nearly equal in 

 length. Thorax nearly twice as broad as long ; sides 

 parallel, nearly straight, anterior angles thickened, ob- 

 liquely truncate, produced laterally into a short acute 

 tooth ; upper surface convex, shining, impressed somewhat 

 remotely with very fine punctures ; basal margin narrowly 

 edged on either side with black. Scutellum semiovate. 

 Elytra much broader than the thorax, oblong, distinctly 

 and regularly punctate-striate, the interspaces plane, each 

 impressed with a single row of minute punctures. 



Aphthona verticalis. 



Subelongata, convexa, flilva, nitida, vertice, scutello, 

 metasterno abdomineque nigris, antennis extrorsum infus- 

 catis ; thorace Itevi, impunctato, elytris viridi-cyaueis, 

 regular! ter punctato-striatis. 



Long. I lin. Hab. — Brazil ; New Fi'iburg. 



Head trigonate ; eyes large, prominent, black ; vertex 

 and upper portion of front shining black, impunctate ; 

 encarpae obliquely transverse, contiguous, elongate ; carina 

 ovate ; antennas robust, three-fourths the length of the 

 body, second joint short, thickened, ovate, rather more 

 than half the length of the basal one ; third rather longer 

 than the latter ; seven outer joints slightly stained with 

 fuscous. Thorax nearly twice as broad as long ; sides 

 rather broadly margined, regularly rounded, hinder angles 

 armed with a short acute tooth, the anterior ones obtiise ; 

 surface shining impunctate ; on the middle of the basal 

 margin is a faint transverse groove, only visible in a 

 certain light. Scutellum much longer than broad, wedge- 

 shaped, its apex obtuse. Elytra much broader than the 

 thorax, narrowly oblong, convex, bright metallic green, 



