J<^ 



506. 

 HELODES BECCABUNG^. 



Order Coleoptera. Fam. Chrysomelidaa. 



Type of the Genus, Chrysomela Phellandrii Linn. 



Helodes PayA:.,Fa6., Oliv., Gyl., Curt. — Prasocuris Xa?. — Crioceris 

 Panz. — Chrysomela Linn., Marsh. 



Antenna inserted on each side the head before the eyes, as long 

 as the thorax, clavate and compressed at the apex, 11 -jointed, 

 basal joint a little the longest, stout and subovate, 2nd the 

 smallest, subovate, 3 following nearly as long as the 1st sub- 

 clavate, 6th not larger than the 2nd, the remainder forming an 

 elongated pilose and distinctly articulated club, 7th joint sub- 

 trigonate, 3 following cup-shaped, terminal joint the broadest, 

 ovate-conic (6). 



Labrum transverse, the sides rounded, the anterior margin 

 thickened and ciliated (1). 



Mandibles broad, very convex outside, bifid at the apex, one sub- 

 trifid with a broad membranous margin on the inside (2). 

 Maxilla short and terminated by 2 lobes of equal size, the in- 

 ternal one rather broadest at the apex with a series of 4 or 5 

 strong teeth on the inside, external lobe ovate and pubescent 

 at the apex. Palpi short, thickest at the middle, basal joint 

 the smallest subtrigonate, 2nd a little the largest and cup-shaped, 

 as well as the 3rd ; 4th the longest ovate-conic, with a small 

 gland at the apex (3). 



Mentum small short and transverse. Labium large thick and 



suborbicular. Palpi very short stout and biarticulate, basal joint 



cup-shaped, 2nd ovate-conic (4). 



Head suborbicular : eyes lateral, vertically ovate, not touching the 



Thorax, which is considerably broader than the head and quadrate : 



scutellum rather small. Elytra elliptical and a little broader than 



the thorax. Wings not large. Legs rather short and alike ; thighs 



rather stout; tibiae slightly clavate; tarsi cushioned beneath, 5 -jointed? 



1st and 2nd joints subtrigonate, 3rd cordate, 4th minute, 5th long 



and clavate : claws short and stout (5). 



Beccabung^ Payk. — Curt. Guide, Gen. 432. 2. — violacea Fab. 

 In the Author's and other Cabinets. 



The rather irregular form of the joints composing the club 

 of the antennae, the quadrate thorax with its sides simple, and 

 the elongated narrow elytra, distinguish Helodes from its 

 congeners. What I have considered as the 4th joint of the 

 tarsus is minute and indistinct, and probably may be only the 

 base of the apical joint narrowed and roundedj similarly to 

 the basal joint of all antennae. 



