972 THE ENTOMOLOGIST. 
the British Museum is a specimen labelled ‘‘ Type,” the cocoon 
accompanying it being pale lemon colour. I possess a single 
specimen, bred from a small larva of Hylophila bicolorana in 
late April, 1911; the larva of the parasite emerged from its host 
the previous September. 
Popularis, Hal.* 
Distinguished from its near relatives by having limpid 
hyaline wings. A common gregarious parasite of the larve of 
Hipocrita jacobee, it is, however, much more plentiful in some 
seasons than in others. Of a large number of the larve of the 
host collected in 1911, quite 60 per cent. produced the parasite ; 
yet in 1910, some 200 larve from precisely the same localities 
failed to yield me a single specimen. I have never obtained it 
from any other host. 
A single-brooded species, some eleven months being passed 
within the cocoon, pupation only taking place shortly before the 
appearance of the imago. The cocoons are pure white and 
rather woolly. I have never found them in a natural state, but 
when the host is kept in confinement they are constructed on 
the surface of the ground or under dead leaves, ete., in irregular 
bunches, and are connected one with the other by a few threads. 
On several occasions I have bred the hyperparasite, Mesochorus 
fascialis, Bridg., from the cocoons of this species. 
Gonopterygis, Marsh.+ 
In the New Forest this is a common solitary parasite of the 
larva of Gonepteryx rhamni, the parasite larva emerging from its 
host when the latter is half grown or so. When a larva of 
G. rhamni is about to evacuate its parasite it will be noticed to 
have assumed a lighter colour, and remains extended on a twig 
of the food plant without attempting to take food. This position 
will be maintained for two or three days before the emergence of 
the parasite. Before commencing to spin its cocoon the larva 
of the Apanteles loosely attaches the caterpillar from which it is 
emerging to the twig, and then constructs the cocoon beneath ; 
the host eventually falls to the ground, but leaves the strands of 
silk by which it was attached standing out from the cocoon in 
the form of a tuft, giving it a very curious appearance (fig. 2). 
The cocoon is very firmly attached, and is a bright orange in 
colour. 
* Hint. Mag.,’ 11, p. 250. 
| ‘Spec. des Brac. d’Europe,’ iii, p. 181. 
(‘To be continued.) 
