Orchestes. ] RHYNCHOPHORA. 261] 
easily distinguish the species; antennz reddish testaceous, with the cluh 
pitchy, scape short, inserted towards base of rostrum ; thorax with the 
sides slightly rounded and narrowed in front; elytra with rather deeply 
punctured striz, interstices narrow and somewhat convex ; legs black, 
pubescent, tarsi ferruginous, posterior femora angularly dilated beneath, 
posterior tibize somewhat enlarged on their inner side towards apex. 
L. 2-2+ mm. 
By sweeping thyme and other low plants; especially on chalky hill sides; accord- 
ing to Heeger the larva has been found in the leaves of a species of Centaurea; very 
local, and as a rule rare, but occasionally found not uncommonly in certain localities ; 
Chatham, Maidstone, Mickleham, Reigate, Caterham, Chattenden, Buckden, Cow- 
fold; Hertford; Folkestone; Battle, near Hastings, rare; Holm Bush, Brighton ; 
Fordlands and Woodbury, Devon. ; Knaresborough (Stephens), 
O. rusci, Herbst. (bifasciatus, Gyll. ; afinis, Steph.). Ovate, black, 
clothed with scanty greyish-white pubescence; antenne red with the 
scape short and inserted towards base of rostrum; thorax transverse, 
rather strongly and not very closely punctured ; elytra with strongly 
punctured striz, interstices rather shining, scarcely punctured, with a 
longitudinal patch at base of suture before scutellum, and two rather 
regular bands, one just before and one behind middle, of thick whitish 
or yellowish-white hair-like scales; legs black, tarsi testaceous. 
L, 2-25 mm. 
On hazel, birch, oak, &c., in woods; apparently generally distributed throughout 
the kingdom and common from the midland districts southwards; it is, however, less 
common further north; Scotlana, scarce, Solway, Tweed and Moray districts ; 
Ireland, Armagh and Dublin and probably general. 
O. iota, F. Oblong-ovate, black, rather dull, clothed with short 
black hairs ; antennz reddish testaceous, scape and funiculus sometimes 
pitchy, the former short, inserted towards base of rostrum ; thorax com- 
paratively long, narrowed in front, closely and strongly punctured, with 
a well marked central channel, sete at sides very distinct ; elytra with 
broad and deeply punctured striz, interstices rugose, base of suture with a 
well marked, white longitudinal patch; legs black, tarsi ferruginous. 
L, 2-25 mm. 
On Myrica Gale; in boggy places ; it has also been observed on the leaves of birch ; 
rare or ratber extremely local; Chobham; New Forest, where I have taken it 
abundantly about a mile from Brockenhurst at the end of August; it has also been 
found near Lyndhurst by Mr. Walker; Isle of Wight near Whitchurch, also near 
Hartley Row, Hants (S. Stevens); on sweet gale, Gosport, not common June and 
July (Moncreatt). 
The following four species belong to the genus Tachyerges, Schénh., 
and are characterized by having the funiculus of the antenne composed 
of seven joints. 
O. stigma, Germ. Oblong-ovate, moderately convex, black, with 
very sparing greyish pubescence, which is sometimes thicker and forms a 
spot at scutellum ; antenne black or pitchy black, with an elongate 
club, scape long, inserted a little in front of the middle of rostrum in 
