197. 

 ORCHESIA FASCIATA. 



Order Coleoptera. F am. Welandryadse Leach. Helop'iiLat, 



Type of the Genus Dircsea micans Fab. 



Orchesia Lat. — Dircaea Fab. — Hallomenus III., Payk., GijlL, Panz. 

 — Serropalpus III. — Mordella Marsh. — Anaspis Lat. — Megato- 

 ma Herbst. 



Antenna inserted between and close to the internal margin of the 

 eyes, clavate, pubescent, 1 1 -jointed, basal joint large ovate, 2nd 

 short, 3rd longer, the 5 following shorter than the 2nd ; increas- 

 ing in diameter to the 8th, the remainder forming a robust club, 

 the basal and 2nd joints turbinate, the terminal one the longest 

 conical (fig. 6). 



Labrum exserted membranous, suborbicular, pilose (1). 

 Mandibles smdiW, corneous, subtrigonate, arched externally, notch- 

 ed internally, with a membranous dilated margin or appendage 



Maxilla small bilobed, internal lobe dentiform, very pubescent, 

 external larger rounded, very pubescent at the apex. Palpi 

 large, very pubescent, 4-jointed, basal joint minute, 2nd large 

 obtrigonate, 3rd transverse produced on the internal side, 4th 

 very large, elongate trigonate (3), 



Mentum small, quadrate coriaceous. Lip small membranous. 

 Palpi small and membranous, 3-jointed, basal joint small, united 

 to the lip, 2nd short rhomboidal, 3rd elongate truncate (4), 

 Head inflexed small. Eyes lateral reniform. Thorax broad, semicir- 

 cular, posterior angles acute. Scutellum minute. Wings very am- 

 ple. Coleoptra elongate ovate. Legs not very long, tapering, an- 

 terior the shortest. Thighs, posterior the most robust. Tibise spurred, 

 intermediate pair the longest, posterior the shortest, broadest and 

 armed with 2 very long spines serrated externally (5*). Tarsi ]st 

 and 2nd pair 5-jointed, penultimate joint bilobed (6, afore leg) : 

 posterior 4-jointed, basal joint very long (5*). Claws small acute. 



Fasciata Payk. — Gyll. Ins. Suec. v. 1. pars 2.531.5. 



Minutely and thickly punctured, producing very short, depressed 

 yellow pubescence. Antennae ferruginous, fuscous towards the 

 extremity. Eyes black. Head and thorax ferruginous, the lat- 

 ter with an impression at the base on each side ; a black fascia 

 arising from the centre of the base and arched to the sides, and a 

 spot near the disc of the same colour. Elytra with the suture 

 raised, ochraceous, a double blackish spot near the base, a sinu- 

 ated slender arched fascia before the middle, not touching the 

 margin, a broad blackish fascia beyond the middle with the mar- 

 gin sinuated, the apex blackish also. Legs ferruginous. Under- 

 side piceous. 



In the Cabinet of Mr. Dale. 



