274 [May, 



of the eyes. Elytra yellowish-brown ; nerves white ; all the areas 

 margined with blaek ; anterior margin with two white spots, one at 

 the base, the other at the apex of the first apical area. 



Head — crown yellowish-wliite, length down the centre about equal to the width 

 across the anterior margin of the eyes ; on each side of the apex a curved black 

 line, and about midway between its outer extremity and the eyes, a black spot. 

 Face black, on each side 5-7 fine transverse yellow lines, those on the frona 

 somewhat thickened at their inner extremity. Clypens yellow, with a broad, 

 brown patch down the middle. Cheeks and lorm yellow, the latter margined 

 with brown. 



Thorax — pronotnm yellowish or slightly ferruginous, palest in front of the transverse 

 channel, at the extremities of which is a more or less distinct oblong dark streak. 

 Sctdellum yellowish or slightly ferruginous. JElytra yellowish-brown, shining, 

 as long as the abdomen ; nerves white, stout ; all the areas margined with black ; 

 base and apex of the 1st apical area on the anterior margin with a white spot ; 

 exterior margin of all the apical areas broadly fuscous-black. Legs yellow ; 

 thighs : 1st and 2nd pairs with two black rings ; 3rd with a black line along the 

 upper margin, and a broad black streak along the upper and under-sides, not 

 reaching the apex. TibicB yellow ; 1st and 2nd pairs with four or five black 

 spots on the anterior margin ; 3rd, broadly black internally ; apex narrowly 

 black ; spines yellow, set in black punctures. Tarsi : 3rd pair black, 1st joint 

 at the base yellow. 



Abdomen : $ , beneath black, last segment yellowish or brownish-yellow, posterior 

 margin brown ; centre with a small semi-oval incision, sides concave. 



Length, 1^ line. 

 15. ocuLATUs, J. Sahib. 



The present species bears a great resemblance to the onustus form 

 of D. socialis, but the areas are more regularly margined, and the 

 posterior margin of the last abdominal segment beneath of the ? of 

 an entirely different shape. It was sent to Dr. J. Sahlberg, with 

 some others, and returned by him with the above name attached. A 

 single $ in the collection of Mr. Douglas. 



Testaceous. Elytra as long as the abdomen ; nerves for the most 

 part white. Clavus : between the suture and the adjoining nerve 

 transversely divided into 5-6 small areas, all of which are more or less 

 margined with black. 



Head — crown yellowish-white, about as long down the centre as the breadtli across 

 the eyes ; on each side of the apex a short brown or black streak, frequently 

 triangular in shape ; before the eyes a more or less distinct transverse bi'own 

 streak frequently divided in the middle, so that the intervening spaces form a 

 white cross. Face black, dull, with -1—5 transverse yellow lines on each side, 

 sometimes almost obliterated, in the centre a large irregular yellow spot ; apical 

 margin frequently yellow. Clypeus black with a yellow margin, or yellow with 

 a more or leas broad black streak down the middle. Cheeks yellow, margin 

 next the eyes black ; lorce j'cllow, margined Tfith black. 



