73 '7^3^ 



594. 



CISTELA CERAMBOIDES. 



Order Coleoptera. Fam. Cistelidae. 



Type of the Genus, Chrysomela ceramboidesZzww. 



CisTELA jPa6., Lat., GylL, Curt. — Helops Fab. — Crioceris and Blaps 

 Mars. — Chrysomela Linn. — Pyrochroa DeG. 

 Antennce generally longest in the males, shorter than the body, 

 inserted before the eyes close to the base of the mandibles, fili- 

 form and 11-jointed, basal joint ovate, 2nd small subglobose, 3rd 

 sometimes scarcely larger, in others as long as the 1st, 4tli and 

 following long, linear, compressed and narrowed at the base, 

 sometimes serrated, especially in the males, terminal joint 

 elongate- ovate (6, the base and apex). 



Lahrum semiorbicular, pilose, the margin slightly concave in 

 the centre and ciliated with short bristles (1). 

 Mandibles subtrigonate, the apex curved and deeply cleft, form- 

 ing two blunt teeth, one with a trigonate tooth also on the in- 

 side and a large membranous margin, pubescent and ciliated 

 above (2, * the apex). 



Maxillce terminated by an ovate lobe, very hairy towards the 

 apex, with a small one on the inside, ciliated with curved 

 bristles. Palpi much longer than the labial, pilose and 4- 

 jointed, basal joint elongated, rather curved, slender and clavate, 

 2nd long, stout, slightly tapering to the base, 3rd short, some- 

 what hatchet-shaped, 4th the largest, ovate, slender at the base 

 and truncated very obliquely (3). 



Mentum short, transverse, narrowed at the base, the anterior 



angles rounded and slightly notched. Lip as large and similar 



in shape, slightly cordate and densely pubescent, with very fine 



hairs. Palpi stout, a little hairy, remote, attached near the 



base, triarticulate, basal joint slender, chalice -shaped, 2nd 



stouter, obovate, 3rd very stout, hatchet- shaped (4). 



Head narrow, subovate or elongate-trigonate, generally with a short 



neck : eyes S7nall but prominent, lateral and reniform. Thorax 



wider than the head, semiorbicular, generally broadest at the base ; 



scutel triangular. Elytra broader than the thorax, elongated, 



rounded at the apex. Wings ample. Tibiae spurred at the apex : 



tarsi 5, 5 and 4-jointed; anterior loith the thr,ee first joints a little 



dilated in the males in some species, turbinate and very pubescent 



beneath, 3rd the smallest and cordate: claws long, curved and acute, 



serrated on the inside {p ^ , a fore foot, \ hind foot). — Obs. The 



dissections are taken from C. castanea Mars. 



Cebamboides Linn.-^Curt. Guide, Gen. 265. 2. 



Male narrower than the female : black, silky above with fer- 

 ruginous pubescence ; thickly and minutely punctured : thorax 

 semiorbicular, the base bisinuated, the angles rather acute : 

 elytra ferruginous -ochre with 8 punctured striee on each, and 

 an indistinct abbreviated one next the scutellum : tips of tarsi 

 and claws ferruginous. 



In the Author's and other Cabinets. 



