Otiorrhynchus. | RHYNCHOPHORA. 175 
ii. Elytra with distinct raised sete. 
1. Elytra with the alternate interstices strongly 
raised, thickly covered with round greyish yellow 
and brown scales . . . . 4 . . . . ~ . QO.SEBTENTRIONIS, Herbst. 
(scaber, L.) 
2. Elytra with the alternate interstices not rai ed. 
A. Rostrum with a deep furrow; length 63- 
eM ee Bete. Wied aw ae at hed - 
B. Rostrum even, scarcely, if at all, furrowed ; 
Tene thar —e Wg Boyne cm ole aE ee 
II. Anterior femora more or less plainly toothed beneath. 
i, Apical external angle of anterior tibiz much 
dilated ; size large (exceeding 10 mm.) ; general 
POLGUE AE Pe VANE aioe act ch tad 3, alia toa, Ne en 
ii. Apical external angle of anterior tibie not or 
scarcely dilated; size moderate or small (not ex- 
ceeding 10 mm.), 
1. Elytra thickly covered with small round scales, 
which are present also on the punctures of the 
elytra; teeth of anterior femora very indistinct ; 
PGE OAS ee ed a ne ae as AO PTORPER OR 
(singularis, L.) 
O. scaBRosvs, Marsh. 
O. LIGNEvS, Ol. 
O. LieusTicr, L. 
2. Elytra without scales, but with small very scat- 
tered tufts of fine subsquamose yellowish hairs ; 
length 9-10 mm... . 
ee Le). SULOATUS 3h. 
3. Elytra with scanty greyish pubescence; length 
42-63 mm. 
A. Thorax granulate without longitudinal fur- 
rowsinmiddle. . . O. RUGIFRONS, Giyll. 
B. Thorax granulate with strong longitudinal 
furrows in middle. 
a. Body black, broader, less thickly pubescent ; 
dise of thorax very strongly furrowed . . O. ovatus, DL. 
b. Body pitchy red, narrower, more thickly 
pubescent ; disc of thorax feebly furrowed . O. MuscoruM, Bris. 
O. tenebricosus, Herbst. A large and conspicuous species, black, 
moderately shining ; head and thorax finely coriaceous, the latter narrow, 
rourded and slightly dilated at sides; rostrum with a carina in middle ; 
antenn very long, slender, black or pitchy ; elytra oblong ovate more 
or less acuminate at apex, with small fascicles of ashy pubescence, which 
are very fugitive and only visible in fresh specimens, and with pune- 
tured striz, which differ in the sexes, interstices shagreened; legs red 
or pitchy red, elongate, femora clavate not toothed on under side, 
L. 10-13 mm. 
Male narrower with the anal segment of the abdomen strongly striated, 
and the elytra more distinctly punctured. 
Female broader with the anal segment of the abdomen punctured, and 
the elytra obsoletely punctured. 
In moss, at roots of grass, under stones, &c. ; also on various fruit trees, and often 
taken by beating whitethorn hedges ; rather common, especially in chalky districts, 
but local. London and South-eastern and Southern districts of England, generally 
distributed; Bath ; Swansea; Salford Priors, Warwickshire; Scotland very rare, 
Solway and Forth districts (this record may be in error, as it rests on the authority 
