130 
Fig. 31. 
outer margin the first half of its length, and then uniting with the 
margin to beyond the middle, where it is slightly incurved and ends 
in an irregular triangular knob.” 
This description answers as far as it goes for the parasite bred on 
the acericola , but instead of it belonging to the Proctotrupidse family, it 
belongs to the Chalcididx. I therefore record it as a new species. 
Body elliptical oval, color cine¬ 
reous. Head as broad as thorax, 
smoky brown in color, pubescent. 
Thorax nearly black with a cres¬ 
cent shaped spot of pale yellow 
placed crosswise upon the hind part. 
Abdomen elliptical, a little longer 
than the thorax. Legs light brown 
with the femur darker, hairy, fur¬ 
nished at the apex of tibia with a 
spur, tarsi, five jointed, first joint 
longest. Wings membraneous, hya¬ 
line. ciliated. Fore wings, with rib- 
vein running parallel with the mar¬ 
gin nearly one-half its length where it unites, and ends in a stigma, 
something beyond the middle. Lower wings smaller without veins, 
the hairs forming a fringe on lower side. 
I am unable to state at present whether this parasite which appears 
in August, is the same that emerges in early spring from the circular 
holes before mentioned, but judge not since the holes made by them 
are larger. 
Chalcis Parasite—The short line to the left 
shows the natural size. 
Artificial Remedies —One of the greatest benefits to be derived from 
the knowledge of the life history of the injurious insects, are the arti¬ 
ficial remedies which suggests themselves and the proper time for 
said applications. 
It will be seen by turning to my notes that the young lice appear 
in the month of June. It is then at this time that they are the most 
easily destroyed. 
When first hatched they are very tender and any weak solution will 
destroy them. By experiment I have found that White Hellebore 
when used in solution to about one pound to twenty gallons of water 
will soon kill them, a solution of tobacco, soap and water is also good, 
and when applied with the aid of an extinguisher, the work is easily 
performed with but little time and expense. There is no use in try¬ 
ing to destroy them either when in their lethargic condition in the 
winter, or in the egg-state, but a few well directed applications at the 
proper time will both rid the trees from the pest and add much to 
their appearance. The young lice seem to assist in their choice of 
settling down on the underside of the leaf, since they are then the 
more readily reached. Great care should be taken to protect all in¬ 
sects which subsist upon them. The applications which I have re¬ 
commended are sufficiently strong to destroy the bark-lice but will 
scarcely harm the larger beneficial ones. When transplanting tne 
Soft Maples they should be carefully examined and all scales removed 
from the young trees, and examined from time to time to see that none 
escaped the eye. Remedies are often given in various newspapers 
