148 SKRRICORNIA. [MuWtodes. 



B. Colour brighter ; elytra shorter iu pro- 

 portion M. MINI MVS. L. 



(sanguinolentus, Fall.) 

 II. Elytra unicolorous black, or with the apex of an 



obscure dirty-yellowish colour. 

 i. Thorax not or scarcely broader than long ; size 

 larger. 



1. Antennas of male reaching beyond apex of 

 body; anterior and posterior margins of 



thorax yellowish M. FIBULATUS, Kies. 



2. AnteuniB of male reaching beyond apex of 

 flvtrn; thorax unicolorous black, or with only 



the extreme front and hind margins lighter . M. MISKLLUS, Kief. 

 ii. Thorax distinctly broader than long; sizo 

 smaller. 



1. Length 2-2fc mm. ; elytra longer in com- 



parison with abdomen M. NIOELLUS, Kies. 



2. Length 1-1 i mm. ; elytra very short in com- 

 parison with abdomen M. ATOMUS, Thorns. 



M. marg-inatus, Latr. (biguttatus, Panz.). Fuscous black, shining, 

 with all the margins of thorax narrowly, and the epimera, knees, and 

 hind margin of abdominal segments yellowish ; apex of elytra sul- 

 phureous yellow; antennae as long as body in male, much shorter in 

 female, entirely fuscous ; thorax about as long as broad in male, 

 broader than long in female, shining, extremely finely punctured, with a 

 more or less obsolete central furrow ; elytra rugosely and finely punc- 

 tured, with an intermixture of larger irregular punctures ; legs fuscous 

 with knees lighter and femora usually darker. L. 4-5 mm. 



Male with the head much broader than thorax, strongly narrowed 

 behind, and the thorax much narrower than the elytra ; the penultimate 

 ventral segment of abdomen is deeply emarginate in a semicircle, and 

 the last segment is narrow and cleft from base, forming two styles, 

 which are slightly curved at apex ; the dorsal segments are simple. 



Female with the head scarcely narrower than thorax, and hardly 

 narrowed behind, the antennae much shorter, and the thorax scarcely 

 narrower than elytra. 



By beating and sweeping in and near woods j common and generally distributed 

 throughout the greater part of the kingdom. 



M. mysticus, Kies. Very like the preceding in general appear- 

 ance ; black, shining, with the posterior margins of thorax, and some- 

 times the anterior margins, very narrowly yellowish ; antennae fuscous, 

 much longer in male than in female; thorax broader than long, with 

 posterior angles right angles; elytra short, subtruncate at apex, more 

 distinctly punctured at apex than at base, with the apex sulphureous 

 yellow, sometimes entirely black, unicolorous; under-side black, with 

 the sides of the basal segments and the apex yellowish ; legs fuscous, 

 with knees somewhat lighter. L. 3|-4| mm. 



Male with the head broader than thorax, which is narrower than 



