259 
: orphana, Er., 1 specimen near Weybridge.-G. C. Champion, z/*, 
S., 29th Januarxj, 1870. 
*« Studlev Park this afternoon, I came apon a p.ece of decayed togo.d 
tbe tree »et. about an inch ia diameter, covered with E c„>.r«^^ 
, e Ig rather cold work, I put the whoie piece i. a pill-bo., ^d »ow dad 
:c„!^i.edmoretha„.i.tyspeci„easoftheheetle.-E»„...A.W.X..=o„s., 
;aiii3' Hall, Eipon, lfa«»' '«', 1870. 
rotten oak-stick lying on the gronnd, fron, the c.rcnmstance *''';;;* ° 
,iae presented nnmerons minute circular hole, .rregularly ■J-P"-^. "^ 
*ate conclusion was that I had come across traees of .ome To»..« ,■ but ou 
„, into the .tick. I found that each hole led into a Uttle »..*.,ar, one^fou^th 
Mhird of an inch long, lying parallel with the fibre, of the J'^^' J"^^^ 
,usly the work of some insect ; but, as clearly, not of any of the W.— .^ 
s further pn.*d by the inadequatenes. of the removed ma er.al to have fed 
>sect of the si.e indicated by the e.it aperture. I have not smc, found any 
■ containing these holes so abundantly a. this Erst one; but I soon after 
d Tticks similarly perforated, and almost invariably found the -ole. « »d 
, the presence on the stick of the remains of a fungus. I'-'-P-^' ^7:^' 
nding sticks still inhabited by the larva, that make these holes, »^f^-;^ "^ 
.red^^Mera .i/a.cia.a. The fungus, of which I "-^ .— "'^^^^ J ^^ 
.vs accompanied the perforations, is C.rKcta g«era,«m, P. The larva ol 
rafeedsinrea.itynotonoak.wood,bntontheCo*»».andthereaso»that„y 
tick was so puiliug was, that all trace of the Cor.ici.- had disappeared from 
tCoor^iJ, thou h certaiuly not rare, is only to bo found in "-PP^-P^- 
itat, which, as far a. my observations go, is on the hranche. of from ^e to 
=e inches in diameter that die and become »tten on the tree. The fougus 
wV" the u.der..ido of these branche., and ^^"^^""^^ ""^'^lltL 
,e for one season, it, dry remains may continue '» --^-"' f °^ ^f^ 
nd larv» in it iu its second year. Its favourite tree .s the oak, but I have 
found it on ash. . 
Such rotten branches as the CorUc^ affects are usually broken off pece- 
.1 by the .ind ; and. should they happen to fall when the Cort^^-----;^^^ 
adition, the larva of AUera is easily found beneath .t As I have nfo.rned 
veral o my correspondents that the Corticium grows on the branches after they 
,ve fallen. I wish especially to point out that this is not the c- . and t, t 
though the fallen branches only are available in ^^^^^^f ^*^V° 7;Vut 
•oper habitat of the fungus, and consequently of the beetle .s, I have Mly 
Ified myself, on the tree, and their being on the ground is to be regarded as an 
"'The Cortlciun. is a thin fleshy fungus of a reddish-chocolate colour, lying flat 
.ainstthebarkonwhichitgrows,butofatougherconsistoncethan.tsappearance 
