122 CLAVicoRNiA, [Trickojjtcri/x. 



T. K.irbii, Matth. Ovate, very convex, black, clothed with long yel- 

 low pubescence ; head rather large, elongate, eyes somewhat prominent, 

 antenna? long, piceous, with the basal joints paler ; thorax rather longer 

 and wider than head, with the sides dilated and rounded, and rather 

 contracted at base, thickly covered with mi ante tubercles, interstices 

 deeply reticulate, posterior angles acute and rather more produced than 

 in the allied species, sides margined ; at the base of thorax there is an 

 elongate transverse fovea, gradually increasing in Avidth from the 

 scutellum, which it almost reaches, to the hinder angle ; scutellum 

 large ; elytra ovate, not wider than thorax, wdth the sides rounded, 

 deeply and irregularly asperate ; abdomen considerably exserted, witli 

 apical segment deeply tridendate ; legs long, yellow, anterior tibite 

 dilated in male, all the tarsi with the basal joint dilated in male, the 

 anterior pair with the first joint very short and wide, and the second 

 ■very large and unequally bifid ; under-side black with the mouth and 

 coxae lighter. L. f mm. 



Three specimens taken by Mr. Mattliews under sedge refuse at Ranwovtli Fen, 

 Norfolk. 



T. losigricornis, Mannh. Oblong, parallel, somewdiat depressed, 

 black, not very shining, clothed with very short, yellowish pubescence ; 

 head large and broad, eyes not prominent, antennae very long and slender, 

 light pitchy, or sometimes pitchy-testaceous ; thorax rather short, quad- 

 rate, scarcely dilated behind, very thickly covered with minute tubercles, 

 posterior angles produced, acute, basal margin deeply sinuate ; scutellum 

 rather large ; elytra rather long, oblong, parallel sided until near apex, 

 finely asperate ; legs rather long and stout, yellow; male w^ith the anterior 

 tibiai dilated, and the first two joints of the anterior and intermediate tarsi 

 dilated, those of the anterior pair more broadly so ; under-side black 

 with mouth and coxsa yellow. L. | mm. 



In hot-beds, &c., rare; Gumley, Market Harboro', &c. 



This species may be known by its oblong, parallel form, large broad 

 head, very long and slender antennae, and the dilated joints of the tarsi 

 in male, as well as by the sculpture. 



T. Sditliia, INIatth. Elongate, oblong, convex, griseous-brown, 

 covered Avith long silky pale pubescence ; head large and wide, e^^es not 

 prominent, antennae very long and slender, bright yellow ; thorax with 

 the sides much rounded, widest near the middle, covered with small 

 tubercles irregularly arranged, interspaces shining and deeply reticulate, 

 posterior angles slightly produced ; elytra oval, much narrower than the 

 thorax at shoulders, widest at middle, deeply asperate in close wavy rows ; 

 legs long, slender, bright yellow. L. f mm. 



One example only of this distinct species is known ; it was taken by Mr. Wollaston 

 near Tonbridge in 1871. 



T. long'ula, Matth. Elongate, rather narrow, convex, somcAvhat 



