) 0- n33 

 435. 



CARDIAPUS MATHEWSII. 



Order Coleoptera. Fam. Chrysomelidae — Galerucitae hat. 



Type of the Genus, Cardiapus Mathewsii Cm-t. 

 Cardiapus Curt. 



Antennce inserted between the eyes near the base of the clypeus, 

 as long as the thorax, slender 1)ut slightly clavate, sparingly 

 pilose, 11-jointed, basal joint a little the longest, oval and stout, 

 2nd joint much shorter and more slender elongate-ovate, 4 fol- 

 lowing of the same size but less ovate, the remainder incrassated 

 and pubescent, 7th subobtrigonate, the 3 next ovate-truncate, 

 the terminal joint nearly as long as the 1st and conical (6). 

 Labnim exserted orbicular- quadrate, the margin semitransparent 

 and slightly emarginate, with a single bristle on each side (1). 

 Mandibles subtrigonate, circular outside, with 3 teeth at the 

 apex, the apical tooth being the longest with a shoulder outside, 

 furnished with a membranous margin on the inside (2). 

 Maxillae with a large internal lobe, somewhat ovate j^ubescent 

 and ciliated, the external one small and distinctly articulated, 

 the terminal joint ovate, membranous and ciliated at the apex. 

 Palpi rather short naked and 4-jointed, basal joint indistinct, 

 2nd and 3rd someAvhat rhomboidal, the latter the stoutest, 4th 

 twice as long, cylindric and conical at the apex (3). 

 Mentum transverse. Lip subovate, base homy, apex membra- 

 nous. Palpi attached to the sides of the lip, about the middle, 

 short stout and triarticulate, 1st and 2nd joints subquadrate, the 

 former twice as large as the latter, apical joint the size of the 

 2nd, subovate (4). 

 Head rather small and trigonate. Eyes prominent and remote. Thorax 

 very convex, rounded before and projecting over the head, sides finely 

 margined, posterior margin bisinuated, the angles obtuse, with 1 fovea, 

 forming a curved elevated line on each side. Scutellum concealed. 

 Elytra linear-ovate, a little broader than the thorax. Wings ample. 

 Legs short, 4 anterior very similar, hinder pair longer and formed 

 for leaping. Thighs incrassated, hinder pair very large and grooved 

 beneath. Tibise slightly curved, ciliated towards the apex and fur- 

 nished with a small spur. Tarsi rather short and 4-jointed, very 

 pubescent beneath, basal joint large and cordate, except in the poste- 

 rior pair, 2nd joint small, Srd broader and bilobed, 4th longer and 

 clavate. Claws small (5, afore leg ; 5 f, the hind leg). 



Mathewsii Curtis' s Guide, Gen. 428'^. 1. 



In the Cabinets of Mr. Hey and the Author. 



