Trypodendron. | RHYNCHOPHORA. 445 
I. Apical declivity of elytra with a very distinct furrow on 
each near suture; elytra without distinct longitudinal 
streakstatisides thorax black i ta). “alas a Go 
II. Apical declivity of elytra without, or with an in- 
distinct, furrow on each near suture; elytra with more 
or less distinct longitudinal streaks at sides; thorax more 
or less red, at all events behind. 
i. Elytra with the punctured striz moderately deep ; club 
of antennz subsecuriform, straight on one side and 
somewhat rounded on the other . . . . . . . . YT. QuERCUS, Hich. 
(signatum, F.) 
T. DOMESTICUM, L. 
ii. Elytra with the punctured striz superficial; club of 
antennz rounded on both sidesand at apex . . . . ‘J. LINEATUM, Ol. 
T. domesticum, L. Subcylindrical, shining, clothed with scanty 
pale pubescence and long pilose hairs, which are very distinct if viewed 
sideways; at first sight, however, the insect appears to be almost 
glabrous; head and thorax black, antennz testaceous or reddish- 
testaceous with the club subsecuriform, straight on one side and some- 
what rounded on the other; thorax very convex, nearly as long as 
broad, plainly tuberculate in front, shagreened or granulately rugose at 
base; scutellum distinct; elytra livid testaceous or pale griseous- 
yellow, with the suture and lateral margins black, with regular fine 
punctured strie, interstices obsoletely punctured in more or less evident 
rows, sutural striz deeper behind ; legs black, with the tarsi red. L. 
25-35 mm. 
Male with the forehead broadly and deeply excavate, and the villose 
hairs on the anterior margin of the thorax thicker and longer. 
Female with the forehead convex and the thorax more strongly 
asperate. 
In the dead wood of beech, alder, maple, birch, holly, oak, and probably other 
trees; local; Mickleham; Shirley ; Westerham, Kent; Brasted, Surrey ; Hastings 
district ; New Forest; Dean Forest; Sutton, near Birmingham; Hopwas Wood, 
Tamworth ; Sherwood Forest; Stretford and Dunham Park, Manchester; Scar- 
borough, in solid wood of dead holly (R. Lawson) ; Northumberland and Durham 
district ; Scotland, rare, Solway, Dee and Moray districts; Ireland, Westport, Co. 
Mayo (J. J. Walker). 
T. quercus, Eich. (signatum, F.). Very like the preceding in 
general appearance, but with the elytra of a less livid testaceous colour, 
and the thorax always more or less red, at all events behind; it may 
easily be distinguished by having a broad longitudinal dark band be- 
tween the suture and side margins, which is sometimes much abbre- 
viated or divided and sometimes only visible at apex, but is rarely 
absent ; the apical declivity of the elytra has no furrow near suture ; 
the strize of the elytra are also more distinctly punctured, and the legs 
are red or brownish red; the club of the antenne is shaped much as in 
T. domesticum. L. 33 mm. 
In dead wood of oak, beech, birch, maple, lime, &c.; not common, or rather very 
local; it occurs in considerable numbers in Sherwood Forest, where it has been 
