1905.] OF PHYTOPHAGOUS COLEOPTERA. 429 



punctate, with two small black spots ; elytra minutely punctured 

 at the base only, a spot on the shoulders, another near the 

 scutellum, and the posterior half black. 



Var. The thoracic and elytral spots absent. 



Length 6 millim. 



Head impu.nctate, flavovis ; eyes large, each as broad as the 

 intermediate space, frontal elevations transvei'se ; antennas with 

 the lower joints flavous, the terminal ones more or less black ; 

 thorax twice as broad as long, the sides rounded, nari'owed in 

 front and broadly flattened, anterior angles pointed, slightly pro- 

 duced, the surface impunctate, flavous, with two small back spots 

 near the base ; elytia nearly impunctate, except near the base, 

 where there are a few minute punctures, flavous" a spot near the 

 scutellum and one on the shoulders, as well as almost the whole 

 posterior portion, black, but this colour not quite extending to the 

 apex"; under side and legs flavous ; prosternum convex between 

 the cox?e ; metatarsus very short, claAv- joint strongly swollen. 



Hab. Peru. 



Of this species I possess two specimens, in one of which some 

 obsolete additional thoracic spots are present and the elytral ones 

 absent, the shape of the posterior black portion is regular ; in the 

 other the anterior edge is deeply sinuate, but other differences I 

 cannot find. 



Oedionychis variata, sp. n. 



Obscure piceous below, above testaceous ; thorax impunctate : 

 elytra subdepressed, extremely minutely punctured, the basal 

 margin, a spot on the shoulders, another oblique spot near the 

 scutellum, a transverse narrow band at the middle, and another 

 spot near the apex, black. 



Length 7 millim. 



Head impunctate, the frontal elevations feebly raised, carina 

 short and convex ; antennas fulvous, the third joint shorter than 

 the fourth ( $ ) or equal {d )', thorax with broadly flattened sides, 

 the lateral margins nearly straight, obliquely nairowed anteriorly, 

 the disc rather flat, impunctate, testaceous, the anterior angles 

 in shape of a small tooth ; elytra evenly rounded and widened 

 at the middle, broadly margined, scarcely perceptibly punc- 

 tured, testaceous, the extreme basal mai-gin, connected with 

 an elongate spot which covers the shoulders, an oblique comma- 

 like spot near the scutellum, a narrow transverse bancl (somewhat 

 angulate near the lateral margin) at the middle, and another 

 transverse spot near the apex, black ; below and the legs testaceous. 



Rab. Bolivia. 



Well distinguished by the shape and the position of the elytral 

 spots. 



Oedionychis ingrata, sp. n. 



Testaceous, the apical joints of the antennas piceous ; thorax 



