OMALID.E. ACIDOTA. 357 



the sides rounded and slightly margined, the disc with an impression before 

 the scutellum; elytra above twice as long as the thorax, pitchy, with the 

 sides and apex deflexed, the latter obliquely truncated, with the outer angle 

 rounded, and very delicately margined : abdomen smooth, with the apex 

 mucronated : legs pale red : antennw ferruginous, with the base paler : palpi 

 red. 



Rare near London, but found within the metropolitan district oc- 

 casionally. " Abundant in the flowers of the common primrose (Pri- 

 mula vulgaris) in May 1809 ; "when first captured it has a most foetid 

 odionvr—Kirhy MSS. 



Sp. 32. nigricolle. Nigrum, punctulatum, aniennis elytris pedibusque sordide 

 rujis, thorace subqiiadrato. (Long. corp. !§ lin.) 



Om. nigricolle. Kirby MSS.— Steph. Caial. 298. No. 3282. 



Black, or pitchy-black, glabrous: head triangular, smooth, with a longitudinal 

 impression on each side: mouth red: thorax somewhat quadrate, convex, 

 punctured, with the sides margined, the margin reddish: elytra nearly twice 

 as long as the thorax, dusky-red, punctured : abdomen twice as short as the 

 elytra: legs red: antennae nearly as long as the thorax, red: palpi also 

 red. 



Also found within the metropolitan district and in Suffolk, 



Sp. 33. latum. Latum, nigrum, punctulatum, nitidum, elytris piceis puucto- 

 striatis, antennis pedibusque testaceis. thorace quadrifoveolato. (Long. corp. 

 If lin.) 



Om. latum. Steph. Catal. 298. No. 3283. 



Broad, shining black, punctured : head triangular, with a deep impression on 

 each side between the antennae : thorax subquadrate-transverse, with two 

 curved dorsal fovea: in the middle, and a single shallow one on each side 

 towards the hinder angle: elytra pitchy, rather thickly pjinctate-striate, at 

 least as long again as the thorax : abdomen deep black, obscurely punctured: 

 legs testaceous : antennce and palpi the same. 



Found near London. 



Genus DXLVI. — Acidota, Kirby. 



AntenntE nearly filiform, placed on the lateral margin of the head at the base 

 of the mandibles, very gradually increasing from the base to the apex, the 

 basal johit stouter than the following, clavate, two next rather longer, also 

 clavate, three following nearly obconic, two next turbinate, the following 

 two subglobosc, the terminal cue suborbiculate-ovate. Pulj)i filiform ; 



