236 APPENDIX. 



Diglyphus Aculeo. Fern. Viridis, abdomine fulvo, antennis 

 pedibusque flavo-fulvis, alis subfulvis. Page 145. 



Body very slender : head and chest green, rather flat : head 

 broader than the chest : eyes and eyelets red : feelers pale tawny, 

 clavate, a little shorter than the chest ; club much broader than the 

 preceding joint and more than twice its length: chest long-ellipti- 

 cal : petiole very short : abdomen elliptical, tawny, smooth, de- 

 pressed, a little shorter but not narrower than the chest : legs pale 

 tawny : wings narrow, nearly colourless or slightly tawny ; veins 

 tawny ; ulna a little longer than the humerus ; radius and cubitus 

 very short. Length of the body \ line ; of the wings § line. 



Var. /3. Feelers and legs yellow. 



Tetrastichus Triarius. Mas. Niger, abdomine nigro-ceneo, 

 antennis fulvis, pedibus piceis, tarsis fiavis, alis limpidis. 

 Page 151. 



Body rather short : head and chest black, convex, smooth : 

 head short, as broad as the chest : eyes and eyelets bright red : 

 feelers tawny, adorned with long hairs, not longer than the chest ; 

 first joint piceous : chest elliptical : fore-chest very short : shield of 

 the mid-chest broad and long, with a suture along the back ; 

 sutures of the parapsides distinct ; axillas parted by more than one- 

 third of the breadth of the chest ; scutcheon subrhomboidal : hind- 

 chest transverse, declining : petiole very short : abdomen bronze- 

 black, depressed, linear, shorter and narrower than the chest : legs 

 piceous ; four hinder-knees and feet pale yellow ; tips of the latter 

 brown ; fore-shanks and fore-feet tawny : wings colourless ; veins 

 tawny ; ulna longer than the humerus ; radius next to none ; cubi- 

 tus about one-fourth of the length of the ulna ; wing-brand ex- 

 tremely small. Length of the body \ line ; of the wings f line. 



Tetrastichus Abydenus. Mas. Niger, abdomine fulvo ma cu- 

 lato, antennis fulvis, pedibus Jlavis, alis limpidis. Page 151. 



Head and chest black, convex, shining : head smooth, very 

 short, hardly as broad as the chest : eyes and eyelets red ; feelers 

 filiform, tawny, slender, a little longer than the chest, adorned with 

 long hairs ; first joint piceous ; second yellow : chest nearly oval, 

 very finely punctured : fore-chest extremely short : shield of the 

 mid-chest very long, with a slight suture along the middle ; sutures 

 of the parapsides strongly marked ; scutcheon nearly obconical, 



