302 RHYNCHOPHORA, [ Miecotrogus. 
the femora black or fuscous; upper surface clothed with uniform 
greyish hair-like scales, underside with broader whitish scales ; rostruin 
dark in the male, reddish at apex in female, gradually and slightly 
narrowed towards apex, not much curved; thorax subtransverse with 
the sides slightly rounded, not much narrower at base than elytra; 
elytra with distinct striz ; in appearance the species much resembles 
Tychius tibialis. L. if- 2 mm. 
By sweeping herbage; often found in sand pits, haystack refuse, moss, &c.; it is 
perhaps mere particularly attached to Trifolium pratense ; common and generally 
distributed from the Midland counties sou hwards; much rarer further north ; 
Northumberland and Durham district, very rare, ‘Marsden, Mr, J. Hardy.’ 
Scotland, scarce, Solway, Forth and Moray districts; Ireland, Portmarnock, Water- 
ford, Belfast, and probably widely distributed. 
SIBINTIA, Schorherr. 
This genus is very closely allied to the two preceding; in fact the 
chief point in which it differs is the shape of the apex of the elytra, 
which are separately rounded at apex, leaving the pygidium in part at 
least exposed ; as a general rule they are of rather broader form, but 
this is not always the case; some of the species, as for instance 
S. arenarie and S. primitus, may be easily known by the large darker 
reddish-brown pateh on dise of elytra, reaching backwards from the 
scutellum, but others are quite uniformly clothed with greyish or 
yellowish grey scales as in the ordinary small Tychii ; the femora are 
always simple and the episterna of the metasternum somewhat broader ; 
the thorax is sinuate on each side at base, and produced into a more or 
less distinct lobe before scutellum, and has the sides more or less 
rounded and always narrowed in front; the species are all found on 
Caryophyllacee, and may in this way be distinguished by collectors 
‘from those of the other two genera belonging to the tribe, which always 
oceur on Papilionacee ; the transformations and the male characters 
appear to be much the same in all the three genera. 
The number of species hitherto known is about fifty or sixty, of which 
rather more than thirty are found in Europe; the remainder appear to 
be almost confined to North and South Africa and the Canary Islands; 
five occur in Britain, of which one requires further confirmation as indi- 
genous. 
I. Clothing of upper surface pilose; form broader ; 
length 25-4 mm. 
i. Upper surface greyish-white or greyish-yellow 
brown, unicolorous or with alternate longitudinal 
bands lighter and darker; length 3-4mm . . . (S. PELLUCENS, Scop. 
(canus, Herbst.) 
ii. Upper surface more or less variegated minutely 
with reddish or yellowish brown and whitish scales ; 
length 23-22 mm. . . S. POTENTILLE, Germ, 
II Clothing of upper surface consisting of distinct 
scales; length 13-24 mm. 
