CLAVICORNIA. 227 



ii. Upper-side spotted or flecked with black, darker 

 portions often ill defined ; sometimes the whole 

 surface is of a dark red unicolorous colour, with dise 

 of thorax darker than the margins ; under-side 

 more or less dark. 



1. Sides of thorax gradually becoming wider for two- 



thirds or more of their length from apex, thence 

 contracted to base. 



A. Thorax with a more or less distinct angular 



sinuation at point of contraction to base. 



a. Last joint of antennae as broad as, or very 



slightly narrower than, the two preceding. 



a*. Margins of thorax broader ; club of antennae 



concolorous ; average size larger E. DELETA, Er. 



b*. Margins of thorax narrower ; club of an- 

 tennae more or less infuscate ; average 

 size smaller E. IMMUNDA, Er. 



b. Last joint of antennae distinctly narrower 



than the two preceding, 

 a*. Colour darker ; margins of thorax and 



elytra broader ; intermediate tibiae of male 



simple E. PABVULA, Sturm. 



b*. Colour lighter ; margins of thorax and 



elytra narrower ; intermediate tibiae of 



male sinuate E. OBSOLETA, F. 



B. Thorax with sides evenly rounded, without a 



trace of angular sinuation at point of contrac- 

 tion to base E. VAEIEGATA, Herbsl. 



2. Sides of thorax strongly rounded in front and not 



contracted behind E. NEGLECTA, Sturm. 



3. Sides of thorax almost parallel or at most very 



slightly contracted in a straight line towards 

 base. 



A. Size larger ; club of antennae concolorous ; thorax 



a little broader at base than at apex . . . . E. PUSIL1A, Er. 



B. Size smaller ; club of antennae infuscate; thorax 



a little narrower at base than at apex . . . E. ANGUSTULA, Er. 



E. decemg-uttata, F. Kather a large species, which is easily 

 known by its colour and thick legs ; oblong-ovate, only slightly convex, 

 not very thickly punctured, thinly pubescent ; head reddish-yellow with 

 forehead darker, antennae yellow, thorax with light margins, disc more 

 or less broadly dark ; elytra dark with the margins and five spots on each 

 testaceous, three on the margin, a long one at base, and one behind the 

 middle ; under-side entirely testaceous ; legs reddish ; the elytral spots 

 are usually distinct, but occasionally are somewhat confluent. L. 3|-4 

 mm. 



Male with the posterior tibiae excised at apex, and the posterior femora 

 armed with a blunt tooth or projection. 



Found at sap of oaks, &c., but is usually connected with the burrows of Cossus 

 ligniperda ; rare ; Shirley, Coombe Wood, Addington, Birdbrook, Tonbridge j Hast- 

 ings ; New Forest ; Swansea ; Dunham Park, near Manchester. 



E. diffusa, Bris. (fuscicollis, Steph.). Very like the preceding, but, 



Q 2 



