74 



THE REP.»RT OF THE 



No. Id 



A KEY TO THE INSECTS AFFECTING THE SMALL FRUITS. 

 By Prof. W. Lochhead, of the OntakiO Agrilultural College. 



Bramule Insects. 



A. Attarhintj the Roots and Base of Canes. 



1. Large grub over 2 inches long, boring large tunnels in the woody portions of main root. 

 The canes suddenly die. 



Giant Root-Borer (Prionu^ aticollis), Fig. 34. 



Fig. 3;-!. Tree- 

 Ci'icket. 



Fig. 34. Prionus laticollis grub. 



2. Canes at base of main root girdled by a yellowish white caterpillar, in late sunimer and 

 autumn. 



Bramble-croioih Borer (Benibecia marginata). 



B. Attacking the Canes : 



1. Longitudinal row of punctures on canes. 



Snowy Tree-Cricket (CEcantbus niveus). Fig. 35. 



2. Tips of raspberry canes wilting in early summer, due to a girdling'of 



the caaes inside the bark. 



Raspberry-Canc Maggot (Phorbia sp. ). 



3. Tips of shoots of raspberry wilting ; two rows of i)unctures one inch 



- — TT—I 



apart at base of wilted portion, yith a small hole between. Canes 

 are burrowed to the base before avitumn. 



- Raspberry Cane-Borer COberea bimaculata). 



4. Swellings on canes of raspberry and blackberry. 



Rcd-neched Cane-Borer (Agrilus ruficollis). Fig. 36. 

 C. Iiij\mng the Buds : 



1. A small snout-beetle, punctui-ing the fiower-stem close 

 to the buds, and also the buds. 



Strawberry Weevil (Anthononius signatus). 



2. A small yellowish beetle t'ating the flower-buds, 

 which fail to open, or wither. 



Pah Broivn Byt\(,rus (Byturus unicolor). 



3. A small brownish caterpillar eating the opening buds. 



Bad Moth (Tinetocera ocellana), Fig. 37. 

 3. Attacking the Leaves : 



1. Insects sucking the sap of younc; growing parts, and arrestini^ their 

 development. 



Fig. 36. Rerl-neckert Cane-borer : b, trriil 



«, horns at anal extremity ; c, beetle 



— all magnified. 



Tarnished. Flaid Bug (Lygus jjratensis). 



37. Bud-moth 

 and larT*. 



