356 HETEROMERA — OEDEMERIDAE!. 



-B, Elytra only slightly narrowed toward apex. 



Dull green. Thorax scarcely longer than broad ; elytra 

 with three sharply raised longitudinal lines ; posterior 

 femora of male scarcely thickened. L. 3 1. Common. 



0. lurida, Marsh. 



Oficomeva, 



Pale yellow-brown; forehead, sides of thorax, base of 

 abdomen and a ring before apex of femora brown. Elytra 

 gaping at suture, separately rounded at apex, with three 

 or four more or less distinct raised lines. L. 6 — 7 1. Not 

 uncommon. 0. fern or at a, Fab. 



Asclera, 



A., Thorax blue or blue-green. 



Blue or blue-green ; antennae black. Thorax with feeble 

 impressions ; disc of each elytron with three raised longi- 

 tudinal lines. L. 3| — 4 1. Rather common. 



A. coerulea, Lin. 



jB. Thorax reddish-yellow. 



Dark green ; thorax reddish-yellow ; under-side of base 

 of antennae yellow. Tliorax with three depressions on 

 disc : elytra very finely punctured, each with three iine 

 raised lines. L. 4 — 5 1. Scarce. 



A. sanguinicollis, Fab. 



JV^acerdes, 



Head and thorax reddish-yellow ; elytra yellow, with 

 apex black ; under-side pitch-black, legs brown-yellow. 

 In male the thorax heart-shaped, with a black spot at sides, 

 and the apex of last abdominal segment deeply triangularly 

 excised ; in female the thorax almost quadrangular and the 

 last abdominal segment yellow, rounded at apex. L. 5 — 7 1. 

 Not uncommon. N. melanura, Lin. 



