46 CATALOGUE OF THE INSECT3 OF 



9. S. NANUS, Steph. 



Steph, Illust., Mand., v., 301. — Stenus pusillus, Erickson, 

 Gen. et Spec. Staph., 705.—Heer, Fn. Col. Helv., i., 221. 

 Not rare in moss. Ravensworth, Gibside, Long Benton, &c. 

 January and February. 



*** Elytra immaculate. Legs pitchy or testaceous. 



10. S. Boops, Gyll 



Gyll. Ins. Suec, ii , 469. — Heer., Fn. Col. Helv., \., 216. — 



Steph. Illust, Mand., v., 293. — Stenus nigricornus, Kirhy, 



Steph., I.e. — Stenus clavicornis, Steph., I.e., 294. — Stenus 



speculator, Boisd. et Lacord., Faun. Ent. Paris, i., 415. — 



Erichson, Gen. et Spec. Staph., 706. 



A common species, not confined to damp soils. " Twizell." — 



P. J. Selhy, Esq. Shoreston, Wooler, Long Benton, Dunston, 



Ravensworth, South Shields, Gateshead Fell, Marsden, &c. 



February — June. 



SuB-Div. b. Abdomen not margined. 



11. S. NIGRITULUS, Gyll. 



Gyll. Ins. Suec, iv., 502. — Erichson, Gen. et Spec. Staph., 



719. — Stenus unicolor, Kirhy, Steph. Illust., Mand., v., 



286. 



Two specimens, probably taken at Long Benton. — T. J. B. 



On the borders of a dung heap, near a pool on the top of Budle 



Crag.—/. H. 



It varies considerably in size, the larger specimens being 

 about the dimensions of St. hupthalmus. 



Div. 2. Tarsi with the fourth joint hilohed. 

 SuB-Div. a. Abdomen margined. 



12. S. BiNOTATue, Liungh. 



Gyll. Ins. Suec, ii., 474. — Boisd. et Lacord. Faun. Ent. 



Paris, i., 448. — Erichson, Gen. et Spec Staph., 721. — 



Heer, Fn. Col. Helv., i., 223. — Stenus lasvior, Kirhyy 



Steph. Illust, Mand., v., 297. 



Borders of ponds. Gosforth, Long Benton, Boldon Flats. — 



T. J. B. May— June. 



