570. 



ENDOMYCHUS COCCINEUS. 



Order Coleoptera. Fam. Endomychidae. 



Type of the Genus, Chrysomela coccinea Linn. 



Endomychus Payk., Fab., Lat., Gyll., Curt. — Chrysomela Linn., 

 DeGeer. — Tenebrio Mars. 



Antenna inserted before the eyes, not very remote, longer than 

 the thorax, clavate, pubescent, 1 1 -jointed, basal joint not stouter 

 than the following, clavate, 2nd short obovate, 3rd as long as the 

 1st, 5 following subglobose, the remainder forming a lax dilated 

 and compressed club of equal joints, 9th and 10th subovate-tri- 

 gonate, 11th ovate but rather oblique at the apex (6). 

 Labrum semicircular, slightly emarginate and ciliated (1). 

 Mandibles subtrigonate, acutely bifid at the apex, internal mar- 

 gin leathery, slightly hairy outside (2). 



MaxillcB rather slender, terminating in two lobes very hairy at 

 the apex, the internal one narrow, the other longer, broad, 

 curved and maxillseform. Palpi short, stout, pubescent and 

 4 -jointed, basal joint minute, 2nd the longest, clavate, 3rd stout, 

 cup- shaped, 4th the largest, subovate and truncated obliquely 

 (3). 



Mentum transverse, emarginate before, the angles lobed. Lip 



large elongated, obovate. Palpi arising near the centre, short 



stout and biarticulate, basal joint somewhat obovate truncate, 



terminal one larger, pear-shaped, compressed at the apex (4). 



Head small and subtrigonate, immersed to the Eyes, which are small, 



lateral and orbicular. Thorax much broader, especially at the base, 



transverse, anterior angles lobed, posterior acuminate, the sides mar- 



ginated : scutellum subtrigonate. Elytra twice as broad, oval and 



convex. Wings ample. Thighs a little incrassated : tibiae simple 



and clavate : tarsi A-jointed, basal joint trigonate, 2nd bilobed, 3rd 



minute, 4th long and clavate: claws simple (5, afore leg). 



CocciNEUs Linn. — Curt. Guide, Gen. 440. 1. 



Bright scarlet, shining : head and antennae black, apex and 

 mouth tawny : disc of thorax and scutellum castaneous or 

 piceous : 4 large spots on the elytra black : legs piceous, the 

 knees and tarsi dull ferruginous. 



In the Author's and other Cabinets. 



This brilliant beetle is the only Endomychus that has been 

 discovered. It is very similar in habit to Lycoperdina (pi. 355), 

 yet there are many differences in the trophi, and the thorax 

 is narrowed behind in that genus. 



Neither Latreille nor any author that I can remember has 

 characterized the Larvge of Endomychus, and having found a 

 considerable number of them the beginning of last May in the 



