1876.] 249 



DESCRIPTIOX OF THEEE SEMIPTERA NEW TO THE BRITISH LIST. 

 BY EDWAED SAUXDEBS, F.L.S. 



Mtbmedobia tenella, Zett., Faun. Lapp., i, 475, 3. 



^ brownist-blaek. Elytra paler, their cuneiis and lateral margins 

 dark; thorax v{\i\\ a deeply impressed transverse line, its sides sinuate 

 and dilated near the anterior angles, -n-here they are also slightly 

 reflexed ; coriitm -nith its sides roughly rounded ; cuneus reddish- 

 brown ; mcmhrane dusky, paler below the apex of the cuneus. Legs 

 and antennco black, 2nd joint o£ the latter considerably longer than 

 the 3rd. 



? brown ; the head, legs, and base of the antennae more or less 

 red. Thorax transverse, the anterior margin and sides nearly straight, 

 base sinuate, disc with a deep transverse impression. Elytra rudi- 

 mentary, very slightly longer than the scutellum, body round, 

 moderately convex. 



Length, ^ , 1 line ; ? , I line. 



Hab. Mickleham, Hampstead, TVicken Fen, Esher {Dr. Poiver). 

 I have also taken it myself near "Wandsworth. 



Closely allied to 31. coJeoptruta, from which the $ may be dis- 

 tinguished by the shorter thii'd joint of the antenna?, and the sinuate 

 sides of the thorax, which are dilated and reflexed in front ; the $ by 

 the rudimentary elytra, which only extend to a little beyond the 

 Bcutellum, instead of entirely covering the body as in coleoptrata. 



ACOMPOCOEIS, Eeuter {Temnostethus,pars.,T). d^i^idi^.). 

 AcoMPOCOEis ALPiNUs, Eout., Gcu. Cimic. Eur., p. 63. 



Head and thorax black, with a scattered golden pubescence. 

 Thorax with the sides nearly straight, base widely sinuate ; disc wrinkled 

 and punctured posteriorly, with a slightly curved impression just 

 behind the middle, between it and the less punctured anterior portion. 

 Scutellutn black, finely punctured, apex impressed. Elytra dark 

 pitchy-brown, finely gold-pulK'scent. Mcmhrane dusky, nerves and 

 their margins paler. Anfmnce black, 2nd joint pitchy-brown in the 

 middle, and slightly clavate towards the apex, 3rd and 4th joints 

 sub-equal. 



Length, 1^ line. Hab. near Norwich, T. P. Dossetor. 



I have another British specimen without locality. 



The more elongate form, darker colour, proportionately longer 

 apical joint to the antennje, the dark membrane with pale veins, &c.. 



