Calli'liitm.] LONGICORXIA. 223 



I. Sides of thorax rounded or almost rounded. 



i. Upper surface metallic, purple or violaceous ... . C. VIOLACEC1C, L. 

 ii. Upper surface not metallic. 



1. Thorax with more or less distinct prominences on disc ; 

 third joint of antennas scarcely longer than fourth ; 



elytra without white markings ; size moderately large . C. VARIABILE, L. 



2. Thorax with disc even ; third joint of antennae plainly 

 longer than fourth ; elytra with white markings ; size 



small C. ALXI, L. 



II. Sides of thorax strongly angled ; upper surface clothed 



with very thick scarlet pubescence C. SAXGCIXECM, L. 



C. violaceum, L. Rather broad, depressed, purple or violaceous, 

 slightly pilose ; head small, depressed in middle ; thorax transverse, 

 with sides strongly rounded, closely and rugosely punctured ; elytra 

 coarsely and rugosely punctured, but not so closely as thorax, with 

 shoulders strongly marked, obtusely rounded at apex ; legs rather long, 

 metallic. L. 8-16 mm. 



In the male the antennae are a little shorter than the body, and in the 

 female much shorter. 



In decaying fir posts and stumps ; local, but sometimes abundant ; Darenth Wood, 

 Roehampton, Forest Hill, Shirley, Leith Hill, Croydon, Dulwich, Walton, Mickleham, 

 Cowfold, Shiere, Reigate, Shipley, &c. ; Lowestoft ; Hastings ; New Forest ; Devon ; 

 by hundreds for four or five years in wood of an old summer-house at Cirencester 

 (Hurker) ; Biuley, near Coventry (F. H. Fowler) ; Manchester (Stephens). 



C. vaiiabile, L. (s.g. Phymatodes, Muls.). Elongate, rather 

 depressed, shiny, clothed with fine light pubescence ; colour very 

 variable, being black with the elytra violaceous, and the mouth, antennae, 

 anal segment of abdomen, base of femora, and tibiae and tarsi rufo- 

 ferruginous, or head black, thorax red, elytra violaceous with red 

 border and under-side, except breast, red, or with the apex alone of the 

 elytra violaceous and the legs piceous, or with the whole upper and 

 under sides reddish-testaceous ; variations occur between these, the 

 thorax being spotted on disc or more or less infuscate, and other 

 differences being more or less marked ; head closely punctured, thorax 

 slightly transverse, contracted behind with three more or less distinct 

 tubercles on disc, sparingly punctured ; elytra finely punctured ; legs 

 rather long, variable in colour. L. 7-15 mm. 



Mule with the antennae longer than the body, and the fifth ventral 

 segment subtruncate at apex. 



Female with the antennae shorter than the body, and the fifth ventral 

 segment rounded and produced at apex. 



In dt o lying trees; occasionally taken at sngar on trees; rare; London district, 

 Riplcy, Forest Hill, Lee, Chatham. Blackheath, Sheemesg, Tollbridge ; Sydenham 

 in plenty in June, 1834 (Power); Hammersmith (occa ionully takt-n formerly on old 

 fruit trees in an orchard) (8. Steven); Epping ; Windsor; Hertford; Weston, 

 Oxfordshire (Matthews) ; Dover; New Forest; Robins Wood, Repton, near Burton- 

 on-Trent ; Scotland, recorded by Dr. Sharp from the Forth district, but as not 

 indigenous, and as having been introduced with timber. 



