Sijdmcenus,'] clavicornia, 77 



I. Elytra with two distinct fovetc at the base of each ; 



thorax with four fovea) at base, 

 i. Size large (nearly 2 mm.) ; elytra broad oval, coarsely 



and diffusely punctured ; colour brownish-red . . . S. GODARTI, Lair. 

 ii. Size smaller (not exceeding \^ mm.). 



1. Elytra finely and indistinctly punctui-ed ; colour 



black ; size larger. 



A. f'orm shorter and broader ; elytra broad oval ; 



sides of thorax gently rounded S. SCUTELLAEIS, Mill!. 



B. Form longer and narrower ; elytra oldong 

 oval ; sides of thorax sharply rounded, almost 



angled, in front S. COLLAEIS, MiUf. 



2. Elytra rather strongly and not closely punctured ; 



size smaller. 



A, Colour black : elytra narrower, more coarsely 



and diffusely punctured . . , S. PUSIILUS, MiXll. 



B. Colour dark reddish-brown; elytra broader, 



less coarsely and diffusely punctured . . . . S. PoWEEf, Fowler, 



II. Elytra with one distinct dorsal fovea at base of 

 each ; thorax without distinct basal fovese, but with an 



indistinct transverse basal furrow S. exilis, T!i\ 



S. G-odarti, Latr. Tlie largest of our British Scydmsenidce ; of a sliort 

 and convex form, colour lighter or darker chestnut-brown or reddish, 

 antennae and legs red, tarsi testaceous-yellow ; antennae rather long and 

 slender and scarcely thickened towards apex, with the four penultimate 

 joints as long as broad. ; head a little narrower than thorax ; thorax 

 feebly cordiforni, about as broad as long at its widest, with the basal 

 f ovege small ; elytra much broader than thorax, oval, very convex, plainly 

 punctured, with two rather small foveas at the base of each, of which tlie 

 outer one is less distinct ; the usual fold at the shoulders is only just 

 indicated. L. 14—2 mm. 



Male with anterior femora more thickened towards apex, rounded 

 externally. 



Under bark, in rotten wood, in company with ants ; rarely under decaying leaves ; 

 rare; Loughton, Essex; Buddon Wood, Leicestershire, in nests oi Formica riifa ; 

 Sherwood Forest (in rotten wood with ants, also on newly felled timber in the evening) ; 

 Dunham Park, Manchester, in moss and hepaticae. 



S. scutellaris, Miill. Black, shining, very convex, with sparing 

 yellowish pubescence, antenna3 and legs reddish-testaceous, femora dark, 

 palpi yellow ; head narrower than thorax, eyes large ; antennae rather 

 slender, feebly thickened towards apex, with the two penultimate joints 

 about as long as broad ; thorax about as broad as long, feebly cordifoini, 

 impunctate, with four fovese at base ; elytra broad, rather short oval, 

 sparingly and finely punctured, with two foveae at base of each ; humeral 

 fold short but distinct. L. 1|-H mm. 



Male with the anterior femora rather strongly inflated and angled 

 externally towards apex. 



In haystack and other refuse, moss, decaying sea-weed, &c., also under stones, 

 especially in long grass near the coast ; generally distributed and common in the 



