474. 

 HALLOMENUS FLEXUOSUS. 



Order Coleoptera. Fam. Melandryidae or Helopii. 



Ti/pe of the Genus, Dircsea humeralis Fab. 

 Hallomenus Hellw., Payk., GylL, Lat., Curt. — DircaeaFai. — Serro- 

 palpus a7id Dinophorus ///. 



Antenna; inserted in a cavity close to the inner margin of the 

 eyes, longer than the thorax, slender at the base, pubescent and 

 1 1 -jointed ; basal joint rather small and ovate, 2nd the smallest, 

 subovate, 3rd larger than the 1st elongate-obtrigonate, the re- 

 mainder rather stouter but decreasing in length, more or less 

 cup-shaped, terminal joint a little the longest and elongate- 

 ovate (6). 



Labrum transverse ovate, ciliated (1). 



Mandibles subtrigonate, externally pilose, acute at the apex, with 

 a square notch on the inside, forming a tooth below in one man- 

 dible, and an internal membranous lobe (2). 

 Maxilla small terminated by 2 small pubescent lobes. Palpi 

 rather large, pilose, and 4-jointed, basal joint small, 2nd and 3rd 

 large obtrigonate, 4th the largest ovate-conic (3). 

 Mentum subcordate, concave at the base, sinuated before, leaving 

 a triangular point in the middle. Palpi attached to 2 scapes, 

 triarticulate, basal joint small, 2nd large subobovate, 3rd small 

 and subovate. Lip oblong, with 2 bristles at the centre (4). 

 Head small subtrigonate , nearly concealed under the thorax : eyes rather 

 small and lateral. Thorax semiorbicular-tric/onate, somewhat de- 

 pressed, the angles obtuse : scutellum semiorbicular . Elytra ellip- 

 tical, slightly depressed, scarcely broader than the thorax. Wings 

 ample. Legs compressed, hinder pair a little the largest : thighs' 

 short : tibiae simple, furnished with minute spurs at the apex. Tarsi 

 5-Jointed (5), posterior pair A-jointed (f) ; anterior with the ter- 

 minal joint the longest, but slender and clavate, 4th slightly cordate ; 

 posterior with the basal joint very long, the 2nd as long as the 4th, 

 3rd the smallest, subcordate. Claws slender acute. 

 Obs. The dissections and description are taken from the insect figured. 



Flexuosus Payk. — Curt. Guide, Gen. 270. 2. 



Sericeous, minutely punctured ; ferruginous-ochre : head black, 

 lower part of face and palpi ochreous : antennae black, excepting 

 at the base and apex : thorax with a transverse black band not 

 reaching the sides, a faint channel down the middle, and an im- 

 pression on each side at the base ; scutellum, a flexuose band be- 

 fore the middle, and a broader one beyond it, black : beneath 

 black, excepting the thorax. 

 In the Cabinets of Mr. C. J. Thompson and the Author. 



