3 -J^^^ 

 111. 



CHRYSOMELA ADONIDIS. 



Order Coleoptera. Fam. Chrysomelidae Lat., Leach. 

 Type of the Genus Chrysoniela Hsemoptera Linn. 



Chrysomela Linn., Fab., Lat., Ssc. 



AntenncE inserted close to the anterior margin of the eyes, sub- 

 clavate, hairy and pubescent towards the apex, II -jointed; Jst 

 joint robust, 2nd subglobose, 3rd subchwate, longer than the 

 4th, 5th, and 6th, which are more robust, the remainder of equal 

 size, turbinate, pedicled, the terminal one conical (G). 

 Lahrum transverse, slightly emarginate and hairy, angles round- 

 ed(l). 



Mandibles small concave, subtrigonate acute, bifid at the apex, 

 one having a tooth on the internal edge (2). 

 MaxillcE biiobed, ciliated with strong bristles, the internal lobe 

 with 3 moveable claws at the apex. Palpi very robust, pilose, 

 4-jointed, 1st joint small, 2nd and 3rd of equal size, clavate- 

 truncate, 4th subglobose truncate (3). 



Mentum transverse. Lahiiun pentagonal, slightly emarginate 



and pilose in front. Palpi short, robust, pilose, 3-jointed, basal 



joint transverse, 2nd large subglobose, 3rd ovate truncate (4). 



Head rather small, nutant. Eyes small. Thorax transverse, narrowed 



and emarginate before, posterior margin angulated. Sternum not 



produced (9). Scutellum distinct. Body hemispheric. Wings 2. 



Legs rather short. Tibiae simple. Tarsi 4-jointed, first 3 joints 



spongij beneath, basal and 2nd joints cordate, the latter being short, 



2rd broad biiobed, 4th long subclavate. Claws simple (5* a lusus 



naturae; a, the femur ; bb', tibice ; c, the tarsus; c', basal joint of 



tarsus). 



Adonidis Fab. Ent. Sijst. v. l.pars 1. p. 312. n. 23. 



Oval,ochraceous. Mouth, clypeus, eyes, antennae, legs and under- 

 side black. Thorax minutely punctured, sides not incrassated ; a 

 large space down the centre dilated behind and a small spot on each 

 side near the margin black. Scutellum smooth, shining black. 

 Elytra margined somewhat irregularly punctured, a stripe down 

 the suture, interrupted at the base, and a broad one parallel to 

 and near the margin of each elytron piceous black. 



In the Cabinet of the British Museum. 



Chrysomela is one of our most extensive genera, containing 

 upwards of 40 British species, some of which are extremely 



