42 THE CANADIAN ENTOMOLOGIST. 



for accuracy, to make further investigation and ascertain which it is by 

 which the mischief is done, or whether both species may not be concerned 

 in different places. There will be little trouble in doing this, provided 

 the huckleberry insect can be found with which to make the comparison, 

 as they are only moderately difficult to separate when both forms are at 

 hand. 



NOTES ON THE ^GERIAD^ OF CENTRAL OHIO. 



BY D. S. KELLICOTT, COLUMBUS, OHIO. 



The Lepidopterous family to which these notes pertain is a homo- 

 geneous and distinct one, clearly and sufficiently separated from other 

 families. The larvae, so far as known, are borers in roots, stems, 

 branches, or excrescences of trees, shrubs or annuals, yet all strictly 

 retain the structure and appearance of the young of their order. Most 

 of them pass the winter buried in the food plant. A few, however, hiber- 

 nate as pupje or as larvae, protected by cocoons. The most remarkable 

 variation of the adolescent period is in the variable length of time from 

 egg to pupa. Certain wood-boring species, Harmo?iia pini for example, 

 pupate and disclose the imago the third year from the egg : others 

 complete their changes in a few weeks. The pupae are quite similar. The 

 clypeus is usually armed with a protuberance, and the abdominal rings 

 with transverse rows of spines, agreeing in this respect with normal pupae 

 of Tortricidae, Cossidae and Hepialidae. 



The moths are among the most beautiful of insects, and in other ways 

 they are no less attractive. Their exquisite form, coloration and graceful- 

 ness of motion appeal to every one permitted to see them, but the highest 

 enjoyment is reserved for those who appreciate the extent and exactness of 

 protective nmnicry exhibited by these insects. So intimately do they 

 simulate the appearance, aided many times by sounds, odours and 

 attitudes of wasps and bees, that the very elect in entomology are often 

 deceived and cheated. Again, their habits render many of them grave 

 pests, compelling attention from horticulturist and economic entomologist. 



In spite of these reasons, and more that might be alleged for their 

 collection and study, they are not well represented in collections. In 

 fact, in a majority of collections which I have had the pleasure to 

 examine JEgeriad*, like Odonata, are few and ill-favoured. This is to be 

 regretted j but since we have the material in abundance, the defects ma}' 



