British Hemiptera-Heteroptcra. 619 



Legs and anteniiEe testaceous, the apex of the latter 

 obscure. 



Length 1 line. 



Horsell and Chobham, by sweeping. 



The bright yellow colour of this will separate it at once 

 from its allies. 



Xylocoris. 



I. ater, Duf. Fig. Doug. & Scott, Brit. Hem. pi. xvii. 



fig. 6. 



Elongate, black, shining ; membrane dusky, clear white 

 at the base ; tibia3 pale. Antennre obscurely brown ; second 

 joint paler, except at its apex. 



Length 1 line. 



Under bark, widely distributed. 



PlEZOSTETHUS. 



1. Elytra pale yellowish-vvliite. 



a. Larger, \\ line. Apical joints of antennaj very 



thin and filiform galactimts. 



b. Smaller, | line. Apical joints of antennas not 



very thin . . . . . • • • • • • • formioctorum. 



II. Elvtra pale yellowish-brown ; cuneus and enibolium 



"darker cursltans. 



\.' galactinus, Fieb. Fig. Dougl. & Scott, Brit. Hem. 

 pi. xvii. fig. 2. 



Head, thorax and scutellum pitchy black, shining; thorax 

 slightly impressed on its basal half; scutellum deeply im- 

 pressed at the apex; elytra ochreous-white, slightly clouded 

 with brown at the apex ; membrane pure milk-white ; legs 

 and antennge pitchy brown ; tibia paler. 



Length 1^ line. 



Common in stable refuse, manure heaps, &c 



2. cursitnns, Ya\\. = rujipennis, D. & S. Fig. Hahn, 



Wanz. Ins. pi. Ixxix. fig. 244 (corficalis). 



Rather smaller than the preceding and with a distinctly 

 shorter thorax. Head, thorax and scutellum pitchy brown, 

 shining; elytra dull yellowish, the clavns reddish-brown, 

 the enibolium and cuneus pitchy; membrane dear milk- 

 white; antenna? and legs pitchy brown, the tibia paler. 



Length 1 1^ line. 



Under bark ; rare. 



The undeveloped form has the elytra abbreviated and of 

 a lurid brown colour. 



s s2 



