120 THE ENTOMOLOGIST. 
certainly three and probably four broods in the year, the first 
appearing in April and early May, the second in June and July, 
the third in August, and the fourth during September and Octo- 
ber; the individuals of this fourth brood no doubt deposit their 
ova in larve which hibernate, such as that of A. (L.) strigula, 
which I have known to produce the parasite larva so early in the 
year as the second week in March. 
The cocoon is brown, shining, and pensile (fig. 5). 
Bred on very many occasions from March 31st to May 15th, 
from larve of Agrotis (Lycophotia) strigula, and from June 12th 
to July 4th from larve of Cheimatobia brumata ; also from larve of 
Thecla quercus, June 80th, 1909; Thecla betula, June 17th, 1912; | 
Pecilocampa populi, June 24th, 1910; Cilex glaucata, July 20th, 
1911; Nola cuculatella, June 29th, 1911 and July 5th, 1911; 
Eupithecia abbreviata, July 5th, 1911; H. nanata, August 15th, 
1913 ; Hybernia leucophearia, July 38rd, 1918; Phibalocera quer- 
cana, July 26th, 1911, and Cerostoma radiatella, July 9th, 1913. 
On July 27th, 1911, I bred a female specimen of the Ichneu- 
monid Panargyrops @reus, and on July 7th, 1909 and July 4th, 
1911, examples of Mesochorus crassimanus (Holmg.) from cocoons 
of this species, the host in these cases being Cheimatobia brumata. 
I have also obtained Mesochorus tetricus as a hyperparasite (April 
13th, 1911), the host being A. (L.) strigula and a Chalchid (Peri- 
lampus), rather commonly from cocoons of the second brood ; 
the last-named remains within the cocoon through the winter as 
a fully-formed imago, and emerges in the following spring. All 
these hyperparasites gnaw irregular jagged holes when leaving 
the cocoons (fig. 5). 
M. niger (Lyle). (Figs. 2 & 3).—This species was brought 
forward by me as new in the ‘ Entomologist’ * for August, 1918, 
and further notes appeared in the number for the following 
month. It is a common solitary parasite of the larva of Hygro- 
chroa (Pericallia) syringaria. I have recently discovered in my 
collection a female which was bred from a larva of Hnnomos 
quercinaria, June 17th, 1911. This insect is lighter than any of 
those bred from H. (P.) syringaria, the dise of the thorax and 
stigma being fuscous, the second abdominal segment piceous, 
and the antenne basally fulvous ; in all other respects it agrees 
with the description. 
In both sexes the antenne are 25-27-jointed. 
M. melanostictus (Capron).—In Trans. Entom. Soc. 1887, 
p. 115, Marshall describes this as a new species from five males, 
and mentions that the description of the other sex which he 
gives was communicated to him by Capron. 
Although my specimens agree with these descriptions in 
most particulars, they differ in that the wings are distinctly 
* Vol. xlvi. pp. 244, 266, 
