June, 1907 ] Fall : North American Ceramp>ycid.«. 85 



white hairs. Antennae slightly longer than the body ( <? ), very feebly annulate 

 ■externally. Prothorax cylindrical, slightly longer than wide, sides straight, strongly 

 tuberculate just before the middle, base and apex nearly equal in width, disk obtusely 

 tuberculate, each side before the middle, median line finely carinate in front and 

 with a narrow line of white hairs in its posterior third. Scutellum white. Elytra 

 parallel, not sulcate, sparsely punctured in series, the sculpture however nearly con- 

 cealed by the dense vestiture, apex obliquely truncate internally. Length 10-12 mm. 



Santa Rosa, Lower California (Beyer). 



Unique among our species in the character of the elytral vestiture. 



Our four species of Ataxia separate as follows : 



Elytral apices spinose [Southern Florida and Cuba] spinicauda Schaef. 



Elytral apices rounded or more or less obliquely truncate. 



Elytral disk distinctly sulcate, vestiture very sparse [Southern Florida]. 



sulcata n. sp. 

 Elytral disk not sulcate, vestiture dense. 



Elytra without fascicules of white hair ; antennse distinctly annulate [Penn- 

 sylvania to New Mexico] crypta Say. 



Elytra with setiform fascicules of white hairs ; antennae feebly or scarcely 

 annulate [Lower California] setulosa n. sp. 



A specimen collected at Cayamas, Cuba, by Mr. Schwarz has been 

 sent me with the label spinipennis Chev. attached. This is precisely 

 like a typical example of spinicauda received from Mr. Schaeffer. If 

 the Cuban specimen is really Chevrolat's species, spinicauda becomes 

 a synonym, but as Mr. Schaeffer remarks, the specimens do not agree 

 very well with Chevrolat's description, and such action is not yet 

 warranted. 



Lianema, new genus. 



Very slender, cylindrical. Palpi short and unequal but similar in form, the last 

 joint a little dilated and narrowly obliquely truncate at apex. Antennae exceedingly 

 slender, fully twice as long as the body, nearly invisibly pubescent; first joint about 

 as long as the. head, gradually widened, without apical spine ; second joint as long 

 as wide and about one fourth the length of the third ; joints 3-6 increasing in length, 

 the third scarcely as long as the first, the sixth about twice the length of the first ; 

 6-10 subequal ; eleventh nearly as long as the four preceding. Eyes moderately 

 coarsely granulate, deeply emarginate, upper lobe relatively small, separated both 

 above and beneath by a distance equal to half the apical width of the prothorax. 

 Front nearly flat, rather deeply impressed or concave just behind the labrum. Pro- 

 thorax much longer than wide, cylindrical, slightly dilated before the base, broadly 

 feebly constricted behind the apex, base broadly emarginate from side to side, apex 

 truncate. Elytra subparallel, slightly wider than and more than twice as long as the 

 prothorax, evidently shorter than the abdomen. Prosternum very long before the 

 coxae, the intercoxal process nearly flat and about half as wide as the coxa ; cavities 



