340 PHYTOPHAGA. [Longitarsus. 



often obsolete ; in the male, moreover, the fifth ventral segment is 

 furnished with a small tubercle in the middle of apex ; the wings are 

 short, and do not reach the apex of elytra; the base of the antennae and 

 the legs arc testaceous, the posterior femora being black, and the posterior 

 tibiae and anterior and intermediate tibiae usually more or less infuscate; 

 the general form is oblong ovate. L. 1^ mm. 



Salt marshes; on Artemisia maritima ; very local, but common where found ; 

 Chatham (Champion); Strood, in abundance, and Purfleet (Power); Roigat.u 

 (Blatch) ; \Vhitstable; Deal; Mr. Moncreaff records it as " abundant on Artemisia 

 maritima, Hamsbaw (Portsmouth district), May and July, out again in October, 

 hybernates in the perfect state." 



Xi. holsaticus, L. Ovate, short and broad, black, shining, with 

 the apex of each elytron furnished with a distinct reddish spot ; 

 antennae longer than half the body, gradually thickened towards apex, 

 with the three first joints pale testaceous, and the remainder fuscous; 

 thorax very convex, with the sides scarcely rounded and distinctly 

 margined, closely and very finely punctured ; scutellum short, triangular, 

 smooth ; wings present ; elytra broad, dilated behind middle, rounded 

 at apex, distinctly, closely, and rather deeply punctured ; legs dark, 

 anterior tibiae and tarsi reddish-testaceous. L. 1^ mm. 



Marshy places; on Equisetum, Pedicularis, &c. ; local; London district, Esher, 

 Cliobliarn, &c. ; Windsor; Hastings; New Forest ; Swansea; Barmouth ; Coleshill, 

 ii-ar Birmingham ; Repton ; Northumberland district, Newcastle and Twizell ; 

 Scotland, local, Solway, Clyde, and Tay districts; Ireland, near Waterford (Power), 

 and Armagh (Johnson). 



Xi. quadrig-uttatus, Pont, (quadripustulatus, F.). Rather a large 

 and conspicuous species, oblong-ovate, convex, shining, black, with a 

 slight bronze reflection, each elytron with two rather distinct reddisli- 

 yellow spots, one at apex and another at shoulder ; antennae long and 

 rather stout, dark, with the first four joints reddish-testaceous ; thorax 

 not much broader than long, with sides only slightly rounded, distinctly 

 and rather deeply punctured ; scutellum smooth ; wings present ; elytra 

 rather long, not much broader at base than thorax, with shoulders very 

 obliquely rounded, distinctly punctured ; legs testaceous, with the 

 posterior femora black and the two anterior pairs more or less infuscate 

 at base. L. 2|-2| mm. 



On Cynoglossum officinale ; rare; Hertford ; Suffolk ; near Belfast (Haliday). 



It was probably on an obscure specimen of this species that Dibolia 

 ct/noglossi was erroneously introduced into the British list. 



Xi. dorsalis, F. Oblong-ovate, rather depressed, black with the 

 elytra broadly bordered with yellow and the thorax reddish-ypllow ; 

 head and thorax very finely punctured ; antennae black, ferruginous at 

 base ; thorax with sides slightly rounded, anterior margin sometimes 

 blackish; wings present; elytra with sides evenly rounded, rather long, 



