REPORT OF THE STATE ENTOMOLOGIST 1902 107 
crude petroleum emulsion would be just as effective and on some 
- accounts preferable. 
Corn worm or bollworm, Heliothis armiger Hiibn. This 
southern species is well known on account of its serious depre- 
dations on cotton, and occasionally it is brought to notice in the 
northern states because of injuries to corn or tomatoes. 
Dr M. W. Van Denburg, of Mount Vernon N. Y., reports this 
species as being unusually abundant in that section, where it 
occurred on sweet corn during the latter part of August. He 
states that the larvae eat the succulent husks, the kernels and also 
the juicy cob, leaving their burrows full of a brownish, moist 
excrement, in which they seem to be packed. He adds that the 
larvae occurred in about 10% of the ears. 
Hessian fly, Cecidomyia destructor Say. The serious 
depredations of this grain pest were recorded in a preceding re- 
port; and the statement that practically no harm has been in- 
flicted during the past season, not even in cases where white or 
no. 6 wheat was so seriously damaged the preceding year, is 
worthy of record. 
Pea weevil, Bruchus pisi Linn. This little insect is a spe 
cies which occurs somewhat commonly in peas, and its presence 
is too frequently overlooked or regarded as of comparatively little 
importance, and those planting a few peas or even growing them 
on a considerable scale, pay little or no attention to whether the 
seed is infested by this insect or not. As a matter of fact, this 
subject is one of considerable importance, particularly in Canada, 
where the species has caused enormous losses in recent years, 
and, unless repressive measures are adopted or enforced, it may 
cause much damage in the United States. Aside from direct 
injury, it is a well established fact that peas infested by this 
species have not the commercial value of clean seed, since, as 
determined by Dr Fletcher, only 17% to 20% of the infested ones 
will germinate. This means that where the weevil is at all 
abundant in the seed, one half to four fifths of it may be worth- 
less; and purchasers will do well to bear this in mind. The 
sowing of this seed not only results in a less than normal number 
of plants, but also aids the propagation of the insect; and it is 
very probable that a great many of these pests are eaten in green 
peas — something which is not agreeable to contemplate. 
