60 Entomological Society. 
Dendrophilus Cooperi, taken in numbers in a decayed apple-tree at 
Hammersmith. 
Mr. Ingpen exhibited a specimen of Pecilus cupreus, taken in a 
pea-field, carrying a piece of a pea in its mouth. 
The following memoirs were read :— 
“‘ Description of the habits of Plectropteron Diane (B. Selene), a 
large Indian moth.” By Captain Hutton. 
In this communication the author gives a careful detail of his ob- 
servations upon a brood of this splendid moth, a female of which had 
deposited 246 eggs whilst in his possession, the caterpillars of which 
are hatched in 18 days. ‘The changes which the insect undergoes 
in this state are described; the food consisting of a tree called by 
the native Indians ‘‘ Munsooree.”’- The peculiar mode in which the 
insect makes its escape from its cocoon is remarkable: a sharp 
scraping noise is first heard issuing from the cocoon, produced by a 
sharp instrument drawn across the threads for the purpose of cutting 
a hole, the black point of which is occasionally thrust through the 
cocoon; the cutting proceeding in two directions, so as to form a 
cross, through which a passage is effected by the inclosed and newly- 
hatched moth. : 
“ Descriptions of the eggs and young larve of Sialis lutarius.” By 
W. F. Evans, Esq., by whom living specimens were exhibited. 
The eggs of this insect are observed upon the rushes in the mar- 
gins of ponds, in patches from two to three inches long, encircling 
the rush near the top; 100 eggs were counted in a square line, so 
that each patch contains between 2000 and 3000 eggs, which are of 
a singular form and arranged in a slanting direction. The larve 
are hatched at the beginning of May: they tumble about with 
their bodies erect like the Staphylintide and swim with great ac- 
tivity, wriggling their bodies about, and at the same time using their 
long legs. Their heads are of a large size. 
“Notes on the habits of Osmia Tunensis and bicolor, which occa- 
sionally construct their cells in the shells of snails.” By F. Smith, 
Esq., by whom specimens of the nests and insects were exhibited. 
June 3rd.—G. Newport, Esq., President, in the Chair. 
Mr. Thrupp exhibited some pieces of lime-trees infested by a 
species of Coccus from the neighbourhood of London. 
The President exhibited some specimens of a species of the same 
genus which attacks the orange-trees in the Azores, which led to an 
extended discussion, and to the appointment of a committee to in- 
vestigate the nature of its attacks, and also to suggest the means of 
preventing the injurious effects of this insect. 
The following memoirs were read :— 
*‘ Notes on the Habits of Odynerus Antilope.” By F. Smith, Esq. 
On the 10th of August 1843, the author observed several females 
of this insect burrowing into a sand-bank. At the termination of 
one of the burrows he found a circular chamber about half an inch in 
