LACTICA SUTURALIS. 229 



NOTE XXIX. 



DESCRIPTIONS OF SOME NEW GENERA 



AND SPECIES OF PHYTOPHAGOUS COLEOPTERA 



CONTAINED IN THE LEYDEN MUSEUM. 



MARTIN JACOBY. 



MalticintiB, 



Lactica suturalis, n. sp. 



Black; head and thorax impunctate; elytra very finely 

 punctured , flavous , a sutural triangular patch from the 

 middle to the apices, as well as a small spot at the apex 

 of each elytron , black. — Length 2V2 lines. 



Head entirely impunctate, the frontal tubercles strongly 

 raised , the carina short but distinct ; the lower edge of 

 the clypeus obscure testaceous; labrum and palpi black; 

 antennae half the length of the body , black , the apices of 

 the three lower joints more or less stained with fulvous , 

 the second joint very short, the third and following ones 

 of nearly equal length. Thorax more than twice as broad 

 as long, the sides rounded, narrowly margined, the ante- 

 rior angles obliquely rounded , the posterior ones acute , 

 the surface entirely impunctate, broadly transversely sal- 

 cate near the base , bounded at the sides by a distinct 

 perpendicular groove. Scutellum black. Elytra broadly ovate, 

 rather convex , very finely punctured , bright flavous , with 



Notes from tlie Leyden. jNXuseum. , Vol. IX. 



