[Tlie papers which follow were prepared by Professor Harvey In the fall of 

 1899 before uis illness, and were in press at tbe time of bis death. C. I). W.| 



NOTES ON INSECTS OF THE YEAR 1899. 

 F. L. Harvey. 



The year has been somewhat remarkable on account of the 

 great abundance of several species of plant lice, leaf rollers and 

 bud moths, and the great number of forest tent caterpillars. 

 The important species of the year are considered below in notes 

 or in greater length under special titles. The less important 

 forms are merely mentioned in the table of insects (page 40) 

 examined in 1899. 



Chinch bug. (Blissus leucoptcrus). The chinch bug is 

 reported as being quite abundant on the farms of Mr. Chas. 

 Evans and Mr. W. L. Howe and others in the intervale lands 

 near Fryeburg. It attacks herdsgrass, eating the bulbous bases 

 of the stems after haying, requiring reseeding. Figured on page 

 in of Report of this Station for 1894. 



Destructive pea louse. {Nectarophora destructor, John- 

 son). This new species of pea aphis was very abundant in Maine 

 the past season, doing much damage to garden and field peas. 



Cucumber plant lice. Plant lice were very abundant on 

 squashes and cucumbers the past season, doing much damage. 

 The common species, Aphis gossypii, was responsible for most of 

 the injury, though another species common on rough amaranthus 

 was also found on squashes. 



The corn louse, (Aphis mciidis), was abundant on sweet 

 corn in some parts of the State. 



Dobson fly. Helgramite. (Corydcilis cornuta). The 

 nymphs as well as the flies of this species have been received 

 several times for examination, indicating that the species is 

 abundant in Maine waters. The nymph is the well known bass 

 bait. The nymphs and flies are both large and attract attention. 

 The former is the terror of smaller water insects, while the latter 

 is conspicuous by its large head, powerful jaws, and long 

 coarsely nerved wings. 



