INSECT NOTES FOR I9II. 235 



bores in poplar and willow and which is in some localities a 

 serious pest, is widely distributed through Maine as is indi- 

 cated by specimens of the adults collected this season at Orono, 

 Augusta and Presque Isle, late in July and in August. The 

 specimens from Presque Isle were reported from Carolina 

 poplar. 



ScoLYTiDAi:. 

 Xyleborus dispar. 



Specimens of shot-borers were received June 19 from West 

 Stoningham with the report that they had caused the death of 

 a young Bismarck apple tree. Lot 1359. 



ORTHOPTERA. 



Crickets and Roman Wormwood. 



Late in September the contented chirp of our common 

 Gryllus along the roadside drew our attention to great numbers 

 of these fat bodied crickets perched among the branches of the 

 Roman wormwood. Ambrosia art emisii folia, where they were 

 gorging themselves with the fruit of this pestiferous ragweed. 

 Both males and females were so intent upon their meal that 

 they could be collected by hand with no precautions as to alarm- 

 ing them. A number of the crickets were .watched in the 

 laboratory for a week or so where they continued their feast 

 with an evident enjoyment. 



HOMOPTERA. 



PSYLLIDAE, APHIDAE AND COCCIDAE. 



Aphalara polygoni Mally (Forster?) 



A large collection of the species well figured by Mally 1894 

 (1895) as polygoni was made October 18 at Orono from 

 Polygonum near the bank of the Stillwater River. Both winged 

 insects and pupae were abundant at date of collection chiefly 

 along stem at leaf axil and in dried and crumpled leaves. Lot 

 1 34 1 Sub, 7. 



Aphis pomi. 



At Highmoor Farm, June 28, colonies of the green apple 

 aphis were abundant on leaves near the fruit and also present 

 in great numbers feeding on the green fruit itself. On Septem- 



