MED0N. ASTENUS. 407 



the ^ with 2 pilose styles: legs long, slender; tarsi with 4th joint hilohed, 

 aider, dilated. 



deli. Dianous Head large, somewhat 3-angular : eyes moderate, prominent 

 tho. elongate-cylindric, notched : abdomen margined, its apex with 2 long 

 naked seta? : tarsi with 4th joint slightly bilohed : labium not elongated. 



dclii. Stenus Head very large, somewhat 3-gonate : eyes very large and pro- 

 minent : tho. elongate-ovate : abdomen convex, its apex simple ; tarsi with 

 4th joint slightly bilobed : labium elongate, retractile. 



dcliii. Ewesthetus Head large, 3-angular-orbiculate : eyes globose, pro- 

 minent : tho. obcordate, foveolated : body linear, somewhat cylindric : tarsi 

 entire : ant. clavate : max palpi long, 3-jointed. 



646 Medon Stephens. 



3239 f Ruddii Ste. M. v. 273. pi. xxvii. f. 2. a-f. — Black, shining, gla- 

 brous ; smooth ; antennas, elytra, tip of abdomen, and legs pitchy red ; 

 apex of mandibles dusky. (L. 3^ 1.) New Forest: 6. 



3240 brunneus Eric. K. i. 513. — Pale pitchy-red; head oblong, very 

 thickly punctured ; disc of thorax thickly, sides sparingly, punctured ; 

 elytra rather larger than the thorax, finely punctured. (L. 2 1.) Banks: 

 London district : 6. 



647 Sunius Leach. 



3241 melanocephalus Fab. E. ii. 610. — Ste. M. v. 274— Shuck. B. C. pi. 

 18. f. 2. — Filiform; black, shining; rather thickly punctured; thorax 

 red, minutely punctured ; elytra pitchy; legs tawny; antenna; and palpi 

 red. (L. ll-lfl.) 



Var. ? St. tricolor Marsh, i. 516. — Ste. M. v. 275. — Thorax fulvous, dusky 

 in front ; elytra pitchy-red ; tip of abdomen reddish. Under stones in 

 sandy places ; generally distributed : 3-6. 



3242 unicolor Rudd. ? — Slender; dull fuscous-black, opaque; legs, palpi, and 

 antenna? slightly piceous. (L. 1^1.) Banks: Ryde : 6. 



3243 marginalis Stephens. — Slender ; fuscous-black, opaque ; legs, palpi, 

 antenna?, tip of the abdomen and edges of its segments, pitchy-red. (L. 1± 1. ) 

 Banks: London district : 5-6. 



3244 ochraceus Grav. Mi. 59.? — Ste. M. v. 275. — Pitchy- red ; head 

 black ; elytra pubescent, smooth ; legs pale testaceous ; palpi and antenna? 

 red. (L. 1^1. ) Under stones. London district ; Bristol; Suffolk: 4-6. 



3245 rubricollis Grav. Mo. 138. — Ste. M. v. 275. — Dusky-red; shining; 

 head obscure; mouth, thorax, and antenna? red; legs pale; elytra dusky- 

 red, with a slight griseous pile. (L. 1| 1.) Under stones: London dis- 

 trict; Dover: 1-6. 



648 A stenus Be Jean. 



3246 brunneus Kirby. — Ste. M. v. 276. — Red -brown ; obscure ; slightly 

 pubescent ; minutely punctured ; head dusky ; eyes black ; thorax with a 

 faint dorsal ridge ; elytra flattish towards the suture, rather coarsely punc- 

 tured ; legs, palpi, and antenna? dull red. (L. l|-2^ 1.) Roots of grass: 

 Battersea fields ; Lcvington, Suffolk : 4-6. 



3247 angustatus Fab. E. ii. 599. — Don. xvi. pi. 573. f. 1. — Ste. M. v. 276. 

 — Black, obscure ; thickly punctured ; head orbiculate, narrowed in front ; 

 elytra with the tip testaceous ; legs and antenna? testaceous-yellow. (L. 

 1| 1.) Damp meadows; widely distributed : 4-6. 



3248 immaculatus Kirby. — Ste. M. v. 276. — Black ; obscure, glabrous ; 

 finely punctured ; head somewhat orbiculate ; elytra spotless ; abdomen 

 with the edges of the segments above and below pale yellow ; legs and 

 antennae paler yellow. (L. 1 i 1. ) Grassy places : London district : 1-4. 



