218 [March, 



the whole of the margin is black, except the yellowish spot before 

 mentioned. Menibrane yellowish-white, lustrous. Sternum black, 

 its sides and the margin of the odoi'it'erous orifices often yellowish. 

 Legs red or red-brown ; tliighs at the sides and tibise at the apex, 

 often Avith a piceous tinge ; tarsi, 1st joint concolorous with the 

 tibia?, dusky at the apex, 2nd and 3rd black. 

 Abdomen — beneath, black, the posterior and genital segments more or 

 less reddish, with fine longish, llglit coloured hau-s. 



Length 2 lines. 

 On alder trees, near Weybridge, in October (Dr. Power). 

 TJiis species bears a grea,t prima facie resemblance to I. geminatus, 

 but may be distinguished by its uniformly greater size, its darker colour, 

 the absence of the rime-like white which often occurs on the head, pro- 

 notum, and scutellum of that species (a fact not mentioned in our de- 

 scription), and the different habitat. 



It then remains to place the following before our description in 

 " The British Hemiptera," p. 233 :— 



Species 2. — IscnNoiuiYNcmis geminatus. 

 Heteeog ASTER aEMiNATUs {Mus. Vien.). 



' viTKEiPENNis {Kunze). 



IscHNOiuiYNCHTJS GEMINATUS, Fieh., Europ. Hem. 200, 2 (1861). 



The length should have been l^-lf instead of 2 lines. This is the 

 species iigiu'ed pi. 8, fig. 7. 



Section 9. — CAPSINA. 



Div. 2. — BiCELLULI. 



Family 3,— MIEID^. 



Genus 2a. — Teeatocoeis, !Fieb. 



Elongate, narrow. Elytra slightly oval. Botli sexes undeveloped, 

 and without wings. 



Head — large, vertical in front, viewed from above beyond the eyes tri- 

 angular, the sides rounded ; from the side almost a parallelogram, 

 as long as the breadth, across the eyes, deflected to the base of the 

 clypeus ; a little before the posterior margin a deep transverse 

 channel, and in the centre a longitudinal channel, its apex a little 

 in front of the anterior margin of the eyes. Clypeus prominent, 

 very convex, rounded at tlic apex, tlie antennifcvous processes 

 longish, almost in a lino with the under-side of the eyes. Face 

 vertical, central lobe short, stout, convex, side lobes short, some- 



