216 LYG^INA. 



brown. Scutellum depressed in the centre. Elytra; Clavus and 

 Corium yellow-brown ; the latter, inwardly and posteriorly with a 

 long blackish line, outwardly and posteriorly with a large piceous 

 spot intersected by the 1st nerve ; or the posterior half is entirely 

 piceous, with clearer, long spots ; Menibrane more or less fuscous, 

 base and nerves broadly white. Sternum ; Legs yellow-brown ; tarsi ; 

 last joint piceous. 



Abdomen above delicately crenate-punctate ; base and sides red. 

 Underside delicately crenate-punctate. 



Length, 1 — 1^ liue. 



Not rare in dry and sandy places, under heath and grasses. 

 Addington Hills, Surrey, August ; Southend, Dartford Brent, and 

 Weybridge, September. 



► Species 3. — Stygnocoris arenarius. 



Pachymerus arenarius, Ra/i/i, Wauz. i, 43, t. 7, fig. 27 (1831). 

 Rhyparochromus obtustts, Curt. B. E. xiii, 612, 23 (1836). 



— ARENARIUS, Sahld. Geoc. Pen. 59, 8 (1848). 



Stygnus arenarius, Fieb. Europ. Hem. 187, 3 (1861). 

 Ophthalmicus arenarius, Stal, Vet. Akad. Porh. 215, 3 (1862). 



Black (except the elytra), clothed with short yellow hairs ; strongly 

 and deeply punctured. Corium brown, with ochreous spots. 



Head. — Antenna; 1st and 4th joints piceous ; 2nd and 3rd red- 

 brown ; 2ud sometimes more or less piceous. Eyes and Ocelli black. 

 Mostrum yellow-brown. 



Thorax. — Pronotmn hindwardly piceous, hinder angles brown. 

 Elytra ; Clavus and Corium brown, the latter hindwardly, a line 

 on the posterior half of the inner margin near the claval suture, and 

 the posterior margin, except at the inner angle, piceous ; disk also with 

 several ochreous, long spots, of which 3 in a line down the centre are 

 more conspicuous ; Membrane fuscous-brown ; a long, narrow, 

 piceous blotch joined to the middle of the posterior margin of the 

 corium ; the rest of the base white, expanding into a large spot at 

 the inner angle ; nerves broadly white. Legs ; Coxae yellow-brown ; 

 thiglis black, apex yellow-brown ; tihice yellow-brown or piceous, apex 

 lighter ; tarsi yellow-brown, last joint (sometimes also the 2nd and 

 3rd) piceous. 



