742 MR. M. JACOBY ON THE [NoV. 3, 



Genus Phyllobrotica, Redt. 

 Phyllobrotica nigrita, sp. nov. (Plate XLVI. fig. 3.) 

 Black ; abdomen testaceous ; thorax impunctate ; elytra with two 

 longitudinal costse, very finely punctured, shining. 

 Length 2 hnes. 



Head impunctate, deeply grooved between the antennae, the 

 frontal tubercles strongly raised as well as the carina, the latter 

 joined to the clypeus. Palpi robust, the penultimate joint strongly 

 incrassate. Antennae half the length of the body, the third joint 

 longer than the second, but shorter than the fourth. Thorax sub- 

 quadrate, broader than long, the sides straight at the base, and 

 narrowed, converging to the apex ; surface with two deep depressions, 

 black, shining, impunctate. Elytra broader than the thorax, the 

 shoulders prominent and bounded within by a rather deep longitu- 

 dinal depression, the base distinctly raised, the disk very minutely 

 punctured ; a narrow longitudinal ridge, abbreviated near the apex, is 

 situated at the middle of the disk ; another extends from the shoulder 

 nearly to the apex. Underside and legs black, the latter slender ; 

 tibije unarmed, the first joint of the posterior tarsi as long as the two 

 following joints united ; claws appendiculate. Abdomen testaceous ; 

 anterior coxal cavities open ; elytral epipleurse extremely narrow. 

 Osaka. 



Genus Luperus, Geoffr. 

 LuPERUS HiRSUTTJS, sp. nov. (Plate XLVI. fig. 4.) 

 Entirely black, covered with very fine yellowish pubescence ; 

 antennae longer than the body in the male ; thorax finely rugose ; 

 elytra minutely punctured. 

 Length 2 lines. 



Head very finely rugose-punctate, the frontal tubercles rather di- 

 stinctly raised. Antennae about one half longer than the body in the 

 male, shorter in the female, black ; the underside of the first three 

 joints sometimes testaceous, fourth joint shghtly longer than the 

 third. Thorax subquadrate, one half broader than long, the anterior 

 angles slightly thickened and produced in a short shining black 

 tooth ; the surface rather depressed, finely rugose-punctate and 

 covered with very short pubescence. Elytra a little widened towards 

 the apices, pubescent hke the thorax, the punctuation extremely 

 close and fine. The metatarsus of the posterior legs longer than the 

 following joints together. 



Nikko, Yuyama, Kiga, Hitoyoshi. 



The short silky pubescence of this species, which covers tiie 

 entire upper surface, but allows the punctuation to be well seen, 

 will distinguish the insect at first sight. 



Luperus longicornis, sp. nov. (Plate XLVL fig. 5.) 



Black ; antennae much longer than the body, above dark metaUic 



blue ; thorax finely and remotely, elytra closely and strongly 



punctured. 



Length ]|-2 lines. 



