A fm Gommon Insect Pests. 
By C. P. Gillette. 
The present paper has been prepared, not because of the origi¬ 
nal matter that we wish to put into it, but because there seems to be 
a widespread need of information in the State concerning the insects 
herein mentioned. There are many other insects equally trouble¬ 
some that might be mentioned had we time and space to do so. 
To those who suffer from such pests, we would say that the Ento¬ 
mologist of the Station is always glad to receive and reply to per¬ 
sonal letters making inquiry concerning any injurious insect. 
Specimens of the insect doing the injury should, whenever possible, 
be sent with the inquiry. 
THE IMPORTED CABBAGE WORM. 
(.Pieris raped Linn.) 
/ 
This insect was imported from Europe into Canada about 
thirty-six years ago. It spread rapidly in all directions, and now is 
found in injurious numbers from the Atlantic to the Pacific, and, 
through the Northern States, at least, is the most destructive insect 
attacking cabbage and cauliflower. 
Fig. 1. 1 ?i g. 2. 
The mature insect is a white butterfly [Figs. 1 and 2]. It measures 
a trifle over lit inches from tip to tip of the front wings when spread, 
the female being a little larger than the male, as is usually the case 
among butterflies and moths. As seen from above, the body, bases 
of the wings and the tips of the fore wings are black or blackish in 
both sexes. The female [Fig. 1] has, a little beyond the middle of 
