MICROPHYSID^E. 489 



t 



middle, a deep, narrow furrow ; before it a narrow, convex ridge ; 

 behind it the disk more broadly convex, and, at the sides, somewhat 

 depressed. Scutellum smooth ; in the middle a deep, transverse, 

 shelving furrow ; base convexly raised ; the posterior part slightly 

 convex. Mytra; Clavus inwardly brownish, outwardly whitish; 

 Corium nearly flat, whitish, ' inwardly and posteriorly broadly 

 brown-black ; anterior margin and nerve black ; Cuneus deep red ; 

 Membrane unicolorous fuscous-brown, iridescent, next the cuneus 

 narrowly whitish ; the cell blackish. Sternum black -brown. Legs ; 

 thighs piceous, ends yellowish; tibia deep yellowish, apex black- 

 brown ; tarsi brown. 



Abdomen black-brown, base paler. 



Length, 1 line. 



? Red and black, shining. 



Head entirely bright red. Antenna with very fine, short hairs ; 

 1st joint dark brown, apex usually yellowish ; 2nd yellow, apical |rd 

 or -J black ; 3rd and 4th black. Eyes red-brown or black. Ocelli 

 very small, distant, red. Rostrum ; 1st and 2nd joints piceous ; 

 3rd and 4th yellowish. 



Thorax. Pronotum in front narrow, the annulus very slight ; 

 sides on the 1st 3rd very slightly divergent, on the last f rds straight, 

 parallel ; hinder angles acute ; posterior margin concave ; disk, in 

 the middle transversely, broadly convex, with 3 very small, scarcely 

 perceptible, prominences ; posteriorly, narrowly flat, bandlike. Sou- 

 tellum short, convex. Elytra very small, not reaching beyond the 

 thoracic segments, appearing on each side of the scutellum as a 

 whitish, triangular piece ; posterior margin straight, with a black 

 spot at the outer angle. Sternum dusky brown. Legs deep brownish- 

 yellow ; thighs, at the base, and sometimes the tibia, at the apex, 

 dusky. 



Abdomen very broad, transversely oval, very convex, black, 

 glossy; the end of the genital segment projecting as a small 

 point. 



Length, f line. 



Many years since, Mr. Dale identified this as the $ of Z. elegan- 

 tulus, for which he had no name. In 1862, we had the pleasure of 

 finding several pairs in cop. The ? has never been described, 

 having doubtless been deemed to be only on the pupa state. 



Abundant, in some years, at the end of June, on the trunks of 



