"1 



366. 

 ADIMONIA QUADRIMACULATA. 



Order Coleoptera. Fam. GalerucidjB. 



Type of the Genus, Chrysomela halensis Linn. 



Adimonia Schr., Sam., Curt. — Galeruca Lett., Fab., Gyl. — Crioceiis 

 Fab., Poh:;.— Auchenia Marsh. — Chrysomela Linn., Marsh. 

 AntenncE inserted between the eyes, approximating, not so long- 

 as the body, filiform, 1 1 -jointed, pubescent, excepting the 3 first 

 joints, and pilose, basal and 4th joints the longest, the former 

 the stoutest, clavate, 2nd and 3rd the shortest, 4th a little 

 longer than the following, somewhat elongate-obconic, terminal 

 joint not longer than the penultimate, conical (6). 

 Labntm semiorbicular, deeply notched, with a few short bristles 

 in front and a long one on each side (1). 



Mandibles subtrigonate, convex, one having 3, the other 4 teeth 

 at the apex; internal margin ciliated (2). 



Maxilloe short, terminated by two distinct lobes, the internal one 

 densely ciliated with short bristles at the apex, twice as broad as 

 the external lobe, which is furnished at the apex with a few long- 

 bristles. Palpi rather stout, 4-jointed, basal joint small, 2nd 

 longer subtrapezate, 3rd the largest, pilose, pyriform- truncate, 

 4th not larger than the 2nd, conical (3). 



Mention transverse. Lip thick fleshy and rounded. Palpi short, 



considerably smaller than the maxillary, remote triarticulate, 



basal joint short, 2nd robust somewhat trigonate-globose pilose, 



3rd smaller conical (4). 



Head short and small. Eyes rather prominent. Thorax transverse, 



broader than the head, sides with a narrow margin. Scutellum tri- 



gonate. Elytra considerably broader than the thorax and rounded 



at the apex. Wings ample. Abdomen large in the females. Thighs 



alike. Tibije simple. Tarsi densely clothed with pile beneath, ^-jointed, 



basal joint long, elongate-obtrigonate, '3rd bilobed, 4th minute, 5th 



nearly as long as the basal joint, clavate. Claws stnall and acute (5). 



QuADRiMACULATA Linn. Faun. Suec. 173. .5/1. — Curtis's Guide, 

 Gen. 425, 3. 



Smooth shining, bright ochreous : antennae and legs pubescent : 

 eyes and base of the head black, with a strong longitudinal groove : 

 thorax with a transverse impression at the base, and an indistinct 

 fovea on each side : elytra irregularl-y punctured, with 2 black 

 spots at the base, and 2 beyond the middle, much larger, some- 

 times extending nearly to the apex : postpectus and abdomen 

 black : antennse towards their extremities, and the tarsi some- 

 times dusky. 



/// the Author's and other Cabuiets. 



