British Hemiptera-Heteroptera. 155 
narrowly pale piceous. Elytra punctured, clavus pale 
piceous ; corium piceous, a good deal darker than the 
clavus, region of the central nerve pale. Membrane 
somewhat of a yellowish-milky colour, darker in the 
middle; legs piceous. 
Length 14—14 line. 
Rare; Dartford Heath. 
LASIOSOMUS. 
1. enervis, H.-Scff. Fig. H.-Seff. Wanz. Ins. vi. fig. 618. 
Clear testaceous-brown, shining, sparsely covered with 
long hairs, which are suberect on the thorax and scutellum 
and adpressed on the elytra. Head and front of thorax 
and scutellum pitchy-brown, very coarsely punctured ; 
anterior margin of thorax raised and testaceous; elytra, 
clavus with three rows of punctures, corium with two 
parallel rows next the clavus and some scattered punc- 
tures near the apex; membrane clear and hyaline; abdo- 
men pitchy-brown. 
Length 24 lines. 
Chatham. 
ACOMPUS. 
1. rufipes, Wolff. Fig. Dougl. & Scott, Brit. Hem. pl. 
vin. fig. 1. 
Head, thorax, scutellum and body black, coarsely punc- 
tured above, covered with silvery hairs below. LElytra 
punctured in lines, pale ochreous-yellow, a spot at the 
apex of the corium near the inner angle black, the outer 
angle brown; membrane milky, with a few brownish spots ; 
antenne and legs red, apex of former black. 
Length 24 lines. 
Fens and marshes, not rare. 
Almost always undeveloped. 
STYGNOCORIS. 
I. Insect black, covered with yellowish hair .. -- rusticus. 
II. Insect brown. 
a. Legs clear testaceous .. oe se e+ sabulosus. 
b. Legs brown or pitchy .. oe +. arenarius. 
1. rusticus, Fall. Fig. Dougl. & Scott, Brit. Hem. 
pl. vu. fig. 9. 
Widest posteriorly. Black, coarsely and closely punc- 
tured, covered with yellowish hairs, external margins of 
