StenUS.] STAPIIYLINID.'E. 367 



1. Upper surface, especially front parts, very 



coarsely punctured, shiny S. CICINDELOIDES, Orav. 



2. Upper surface of head, thorax, and elytra finely, 



of hind body very finely, puuctured, rather dull . S. SOLXJTUS, Er. 

 ii. Antennai testaceous with the first joint black, 

 club a little darker ; size larger. 



1. Legs testaceous, with knees black S. similis, Herhst. 



2. Legs black, with tarsi reddish testaceous . . S. taesalis, Ljumjh. 

 iii. Autennffi with the two first joints and the club 



blackish ; size smaller. 



1. Antenna} with joints 3-8 yellow testaceous. 



A. Upper surface less shiny, more, strongly and 



closely punctured J legs lighter, pitchy brown . S, PAOANUS, Er. 



B. Upper surface more shiny, less strongly and 

 not quite so closely punctured ; legs darker, 



almost black _ S. oscillator. Rye. 



2. Antennffi with joints 3-8 dark pitchy red ; legs 



dark pitchy S. latifeons, Er. 



I. Hind body conical, strongly narrowed from base to 

 apex ; elytra large, broad, and convex, very strongly 

 dilated S. foenicatus, SiepA. 



S. cicindeloides, Grav. Elongate, convex, shining black, very 

 coarsely and deeply piinctured; head a little broader than thorax, 

 broadly furrowed, the raised interval being rather sharp and distinct, 

 but variable; antennae entirely testaceous, Avith club brownish, palpi 

 testaceous ; thorax rather longer than broad, not much rounded at sides ; 

 elytra scarcely longer than thorax, and not quite so closely punctured ; 

 hind body cylindrical, without margins, less closely punctured on middle 

 of front segments than at sides and apex ; legs testaceous yellow, with 

 the base of femora slightly, and the apex widely, pitchy black ; tibife 

 pitchy with apex more or less testaceous yellow, tarsi pitchy testaceous. 

 L. 5-6 mm. 



Male with the seventh ventral segment of hind body acutely excised 

 in a sharp angle. 



Marshy places ; at roots of grass, &c. ; generally distributed and common in the 

 London, southern, and midland districts ; rarer further north, and not recorded from 

 the Northumberland district ; Scotland, rare, Solway district only. 



S. Similis, Herbst. {pculatus, Grav., modestus, Lac, siculus, 

 Stierl.). Of a rather dull grey leaden-black colour, with fine, short' 

 rather close pubescence ; head nearly as broad as elytra with broad and 

 not deep frontal furrows, the interval being broad and well defined Init 

 very slightly raised ; antennae testaceous with the basal joint deep black, 

 and the club sometimes a little darker, palpi testaceous ; upper surface 

 closely and moderately strongly punctured, the punctuation, however, 

 being very fine in comparison with that of S. cicindeloides ; thorax a 

 little longer than broad, moderately rounded at sides, with an obsolete 

 impression on each side, often hardly traceable ; elytra a little longer 

 than thorax, and a little more strongly and less closely punctured • hind 

 body uniformly and moderately strongly punctured, with the punctuation 



