234 MR. M. JACOBY ON PHYTOPHAGOUS COLEOPTERA [Mai*. 6, 



ElTRYDEMUS BREYILINEATUS, sp. n. 



Fulvous, the sides of the breast and the knees black ; thorax im- 

 punctate, the lateral margins and a central spot black ; elytra 

 strongly longitudinally costate, the interstices closely punctured, 

 each elytron with two or three short black stripes at the base and 

 one below the middle ; femora with a tooth. 



Length 6 millim. 



Head im punctate, fulvous ; clypeus separated from the face by 

 a shallow, transverse, bilobed groove, finely punctured ; labium 

 fulvous, vertex of the head with two small piceous spots ; eyes 

 large, rather closely approached, distinctly notched ; antennae slender, 

 fulvous, the terminal joints more or less fuscous, the second joint 

 slightly shorter than the third ; thorax twice as broad as long, the 

 sides strongly obliquely narrowed anteriorly, the angles produced 

 into a tooth, the disc entirely impunctate, fulvous, the middle 

 with a short transverse black band, the lateral margins also narrowly 

 black ; scutellum fulvous, its apex broadly rounded ; elytra with a 

 shallow depression below the base, strongly longitudinally costate, 

 the interstices impressed with closely arranged punctures, the 

 space between the second and third, and the fourth and fifth rowa 

 of punctures with a short longitudinal black stripe at the base, 

 another stripe is also placed below the middle in a line with the 

 second basal spot, and the lateral margins are likewise more or less 

 marked with black ; below and the legs fulvous, the sides of the 

 breast, the knees, extreme apex of the tibia;, and the first joints of 

 the tarsi black ; all the femora armed with a long tooth. 



Hah. Chiloaugo, Congo. (Belgian Mus. Collection and my own. i 



Somewhat similarly marked as E. maculipennis Jac, but of 

 double the size, the thorax with a central black spot, and the 

 elytra strongly costate. 



RHEMBASTUS GEM1NATTJS, Sp. 11. 



Below blackish, above aeneous ; the antenna-, tibiae, and tarsi 

 obscure fulvous ; thorax closely and strongly punctured ; elytra sub- 

 tylindrical, closely punctate- striate, the punctures often geminate, 

 the last interstice longitudinally costate ; femora with a small 

 tooth. 



Length 4 millim. 



Of elongate, subcylindrical shape ; the head subremotely and 

 strongly punctured; epistome separated by a narrow transverse 

 groove from the face, closely punctured, its anterior edge deeply 

 emarginate; eyes surrounded by a narrow sulcus; antenna' ex- 

 tending to about the middle of the elytra, fulvous, the second and 

 third joints equal ; thorax scarcely twice as broad as long, narrowed 

 anteriorly, the sides rounded, the surface closely, evenly, and 

 rather strongly punctured, the lateral portion rather strongly 

 deflexed, invisible if viewed from above ; scutellum broader than 

 long, impunctate ; elytra very convex, subcylindrical, not wider 

 at the base than the thorax, with a feeble transverse depression 



