267. 

 TILLUS UNIFASCIATUS. 



Ordek Coleoptera. Fam. Tillidse Leach. — Clerii Lat. 



Type of the Genus, Chrj'somela elongata Linn. 



TxLLUS Oliv., Fab., Marsh., Lat., Leach, Sain. — Clerus Fab., Oliv. — 

 Chrysomela Linn. 



Antennae inserted before the eyes, as long as the thorax, serrated } 

 1 l-jointed,3 first joints slender, the basal one subclavate curved, 

 2nd minute ovate, ord obtrigonate, the remainder cup-shaped 

 and produced on the inside, excepting the last which is the 

 longest and subovate (6). 



Labrum transverse-oval, pilose, ciliated at the anterior margin 

 and slightly concave (1). 



Mandibles bifid at the apeXj ciliated on the inside near the base, 

 one having a small tooth near the middle (2). 

 MaxillcE terminated by 2 large rounded coriaceous lobes, very 

 pubescent at their margins. Palpi not long but robust, pilose 

 and 4-jointed, basal joint small, 2nd subtrigonate, 3rd rhom- 

 boidal, 4th the longest, slightly attenuated to the apex which is 

 sloped ofl; very obliquely (3). 



Mentuni small transverse. Lip suborbicular, membranous, pilose. 

 Palpi remote, large securiform, triarticulate, basal and 2nd joints 

 pilose, the former truncated obliquely, the latter longer, 3rd very 

 large hatchet-shaped (4). 

 Head subtrigonate. Eyes sviall. Thorax ajUndric or subcordate. 

 Scutellura triangular. Elytra completely covering the abdomen 

 which is cylindric. Wings ample. Legs rather robust. Tibis 

 simple. Tarsi 5-jointed, 2 first joints closely united, subcordiform, 

 3rd and 4th more bilobed, terminal one subclavate. Claws bifid 

 with a tooth at the base (5 afore leg). 

 Obs. the dissections and descriptions are taken from T. unifasciatus. 



Unifasciatus Rossi. — Fab. Ent. Syst. v.l.p. 207. n. 8. — Marsh. 231.5, 

 Clothed with rather long hairs. Black, shining. Head and 

 thorax minutely but not thickly punctured. Elytra with several 

 longitudinal rows of very large punctures vvhich vanish beyond 

 the middle, one third of the elytra at the base red, and a pale 

 ochreous fascia across the middle, interrupted only by the suture. 

 In the Author's and other Cabinets. 



Till us is closely allied in habit and ceconomy to Dasytes on 

 the one side, and to Opilus on the other. 



The 3 following species are inhabitants of Britain ; they are 



