REPORT OF THE STATE ENTOMOLOGIST 1902 103 
Rotation of crops. This may be practised with comparatively 
little expense, and is very successful in checking pests of this 
character. The fields planted in successive years should be as 
far from others as practicable. Some of the most serious injuries 
have occurred on pieces where carrots have been grown year after 
year. Now that we know this insect breeds in celery as well as 
carrots, one should not follow the other. Clean cultivation should 
also be practised in order to destroy all remnants of either celery 
or carrots in which the insects may pass the winter. 
Destruction of the insect in stored roots. The breeding of this 
species in stored roots suggests the advisability of destroying the 
larvae which forsake the roots and enter the soil to undergo their 
transformations, or the puparia. Where roots are packed in 
earth, the surrounding soil may be either buried deeply or spread 
out in thin layers where it will be exposed to the elements, or 
thrown into pools where it may be frozen, or exposed to heat or 
steam or any agency which will result in the destruction of the 
contained insects. These roots are also frequently stored in bins 
in cellars; and such inclosures, if nothing else be done, should 
have all openings protected by a fine wire screen, so that the adult 
insects can not escape to the open the following spring. It might 
be possible to fumigate such a cellar with carbon bisulfid or 
sulfur or hydrocyanic gas before opening it in the spring. 
Fall cultivation. Mr Chittenden has recommended the light 
raking or cultivating of celery or carrot beds in the fall, so that 
the larvae or puparia may be destroyed by the frost. He also 
thinks that plowing early the following spring before the flies 
have had time to escape would result in destroying many of the 
insects. 
NOTES FOR THE YEAR 
The following brief account includes some of the more im- 
portant insects brought to notice during 1902. 
Special attention, as in the case of last year, has been given 
to forest and shade tree insects throughout the summer. Sys- 
tematic collecting was continued at Karner, where there is an 
admirable growth of scrub oaks and small pines, and much val- 
uable material secured, which will be reported on in another 
publication. The warm, sandy soil of Karner seems specially 
adapted for certain heat-loving insects; and last year we 
