/f 



155. 

 MELANDRYA CANALICULATA. 



Order Coleoptera. Fam. Melandryadae Z^flc/i. HelopiiZ/O/. 



Tijpe of the genus Chrysomela Caraboides Linn. 



Melandrya Fab., Lett., Gtjll. — Helops Fah. — Serropalpus III. — 

 Chrysomela Linn. 



AntenncB inserted before the eyes, rather short, filiform, 1 1 -joint- 

 . ed, pubescent, basal joint somewhat larger than the 3rd, 2nd the 

 smallest, the remainder gradually decreasing in length to the 

 end, terminal joint subovate (fig. 6). 

 Labrian rather large, transverse-ovate, hairy (1). 

 Mandibles subtrigonate, very broad at their base, acute at the 

 apex, having a square notch on the internal margin, covered by 

 a membranous lobe 5 external surface hairy (2). 

 MaxillcB very small, bilobed, external lobe ovate ciliated, jointed 

 near the base, internal smaller linear hairy. Palpi porrected, 

 very long and large, 4-jointed, basal joint small, 2nd long, cla- 

 vate truncate, 3rd subturbinate, 4th large ovate, truncated ob- 

 liquely and fleshy on the internal side (3). 

 Mentum very small, coriaceous, quadrate, dilated at the base. 

 Lip nearly as large as the mentum, cleft in the centre and thickly 

 ciliated. Palpi attached to the lip, short, robust, 3-jointed, ter- 

 minal joint the largest, compressed, dilated at the apex (4). 

 Head nutant. Eyes ovate lateral. Thorax y?rti, subtrapezoid, broadest 

 at the base, posterior margin sinuated. Scutellum triangular. Co- 

 leoptra subelliptic. Wings broad, scarceli/ longer than the body. 

 Legs robust. Tibiae simple spurred at their apex, those of the ante- 

 rior pair being the smallest. Tarsi tvith the penultimate joints bi- 

 lobed ; 4 anterior 5 -jointed (5) ; posterior pair 4-jointed, basal joint 

 . long (5 t). 



Canaliculata Fab. Ent. Sijst. v. 1. pars \. p. 119. n. 10. — Gyll. Ins. 

 Suec. t. 1 , pars 1. p. 535. 



Black with a bluish tinge, minutely punctured, covered with 

 short black pubescence. Thorax subtrigonate, truncate, poste- 

 rior margin sinuated, angles acute, an obscure channel down the 

 centre and a fovea on each side at the base. Elytra with 4 lon- 

 gitudinal furrows, obliterated at the base, forming 5 elevated 

 convex lines. Trophi ferruginous. Antennae and legs piceous 

 inclining to castaneous, the former lightest towards the extre- 

 mity : the tarsi with the terminal joint ferruginous. 



In the Cabinet of Mr. Bentley. 



