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 antennz and 
the legs are testaceous, the posterior femora being black, and the posterior 
tibie and anterior and intermediate tibize usually more or less infuscate; 
the general form is oblong ovate. L. 13 mm. 
Salt marshes; on Artemisia maritima; very local, but common where found ; 
Chatham (Champion); Strood, in abundance, and Purfleet (Power); Reigate 
(Blatch) ; Whitstable ; Deal; Mr. Moncreaff records it as ‘‘ abundant on Artemisia 
maritima, Hamshaw (Portsmouth district), May and July, out again in October, 
hybernates in the perfect state.” 
L. holsaticus, L. Ovate, short and broad, black, shining, with 
the apex of each elytron furnished with a distinct reddish spot ; 
antenne 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 tibie and tarsi reddish-testaceous. L. 13 mm. 
Marshy places; on Equisetum, Pedicularis, &e.; local; London district, Esher, 
Chobham, &e.; Windsor; Hastings; New Forest; Swansea; Barmouth ; Coleshill, 
near Birmingham; Repton; Northumberland district, Newcastle and Twizell ; 
Scotland, local, Solway, Clyde, and Tay districts; Ireland, near Waterford (Power), 
and Armagh (Johnson). 
L. quadriguttatus, 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 reddish- 
yellow spots, one at apex and another at shoulder; antennx 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. 23-27 mm. 
On Cynoglossum officinale ; rare; Hertford ; Suffolk ; near Belfast (Haliday). 
It was probably on an obscure specimen of this species that Dibolia 
cynoglossi was erroneously introduced into the British list. 
L. dorsalis, F. Oblong-ovate, rather depressed, black with the 
elytra broadly bordered with yellow and the thorax reddish-yellow ; 
head and thorax very finely punctured ; antenne black, ferruginous at 
base; thorax with sides slightly rounded, anterior margin sometimes 
blackish ; wings present; elytra with sides evenly rounded, rather long, 
