354 MANDIBULATA. COLEOPTERA. 



Ch. 4-puiictatus. Linne.—Don. iv. pi. Ul.JI 1, 2. CI. 4-punctata. — Steph. 



Catal. 225. No. 2310. 



Black, shining^ with a faint griseous pile : head slightly rugose, with a faint 

 frontal channel : thorax gibbous, very shining : elytra rufo-testaceous, finely 

 punctured, each with two black spots, one rounded, placed on the shoulder, 

 rather outwardly, the other placed transversely behind the middle towards 

 the suture, of an irregular form, and sometimes divided : legs and antennae 

 black, the second and third joints of the latter testaceous. 



Rather local, but not uncommon in certain places within the me- 

 tropolitan district ; I have taken it in profusion on oaks in the lane 

 leading from Peckham to Oak-of-honour Wood, in June. " Witton- 

 le-Wear and Prudhoe, in great profusion, in 1829, but local." — 

 G. Wailes, Esg. " Epping."— i/r. Douhleday. " Abundant in 

 Hampshire." — Rev. G. T. Rudd. 



Sp. 2. taxicorius. Nigro-ccerulea, punctatissima, e!ytris testaceis immaculatis, 

 thorace lateribus serratd, antennis elongatis, compressis, nigris. (Long. corp. 

 5 lin.) 



CI. taxicorius. Fabricius. — Steph. Catal. 226. No. 2312- 



Blue-black, thickly and rather finely punctured : head opaque, with a frontal 

 impression : thorax ivith the lateral margins slightly rounded, and irregularly 

 but finely serrated, the base with the hinder angles a little elevated : elytra 

 pale testaceous, immaculate, finely and irregularly punctured : legs short, blue- 

 black ; anterior of the male very long, with the tibite considerably bent : an- 

 tenncB elongate, compressed, deeply serrated, entirely black. 



Very rare in Britain : I possess a fine specimen, which I obtained 

 from the Marshamian collection. 



Sp. 3. tridentata. Casruleo-virescens, punctatissima, elytris testaceis i?nmaculatis, 

 thorace lateribus integris, antennis brevioribus, pedibus anticis elongatis. 

 (Long. Corp. 4— 4| lin.) 



Ch. tridentata. Linne.—C\. 3-dentata. Steph. Catal. 226. No. 2311. 



Blue-green, thickly punctured : head rugose-punctate, with an impression on 

 the forehead: thorax a little glossy, with its lateral margins considerably 

 rounded, and the basal angles greatly elevated and subcarinated : elytra entirely 

 pale testaceous, rather coarsely punctured : legs slender ; the anterior pair in 

 both sexes elongate, especially in the male: tibiae bent: antennae blue-black, 

 with the second and third joints dull testaceous beneath. 



I have taken this insect in plenty on the sallow at Coombe-wood, 

 and also at Darenth ; it occurs in other parts of the metropolitan 



