76 



THE REPORT OF THE 



No. 19 



San Jose Scale (Aspidiotus perniciosus). 

 4. Oval, hemispherical scales. 



Currant Lecaiiinm Lecanium ribis). 

 B. Attacking the Leaves : 



1. Larvaj, 20-legged, dull white when young, then greenish with black spots, finally 

 greenish-yellow, eating holes in the leaves in early spring. 



Importfd Curraid Worm (Nematus ribesii). Figs. 42 and 43. 



2. Leaves curled, blistered, and with a reddish 



it;'. 14. Currant Span-worms ; 3, the chrysalis. 



2. Purplish spots surrounding small circular scales 



Saii Jose Scale (Aspidiotus perniciosus). 



3. Yellow oval maggots, eat ng the Gooseberry. 



Gooseberry Midge (Cecidomyia grossulariie). 



4. Small white grub eating the currant and gooseberry, caus 



ing the fruit to turn red and fall. 



Currant Fly (Epochra Canadensis). 



Gkape Insect.s. 



appearance on upper surface, caused by yel- 

 lo.vish plant lice. 



Currant Plant-Louse (Myzus ribis>. 



3. Leaves turning brown and dying. 



Four-Lined Leaf -Bug (Poecilccapsus 

 • lineatus). 



4. Measuring worm feeding on leaves of goose- 



berry and black currant. 



Currant Spaii- Worm (Diastictis ribearia). 

 Figs. 44 and 45. 



5. White spots on leaves, produced by a pale 



green sucking insect occurring on the under 

 surface. 



Currant-Leaf Hopper (Erapoa albopicta). 

 C. Attacking the Fruit : 



1. Greyish caterpillar boring into young fruit, 

 and eating out its contents. 



Gooseberry Fruit Worm (Zophodia 

 grossularife). 



Fife. 45. Currant Span-worm Moth 

 (yiale yellow with dusky spots). 



Fig. 46. Grape-vine Phylloxera . —ci galls on rootlets ; 6 young' 

 louse ; e, f, g, more matured lice ; c, antenna ; d, leg. 



A. Attacking the roots: 



1. Producing little irregular spherical 

 galls on rootlets and larger roots, 

 causing death. 



'Grape Vine Phylloxera (Phyll- 

 oxera vastatrix). Fig 46. 



2. Large borer, cutting a tube through 

 the root near the surface. 



Broad-necked Prionus (Prion us 

 laticollis. ) 



3. Grub eating the bark of both the 

 large and small roots. 



Grape-vine Fidia (Fidia viticida.) 

 B. Attacking the Branches '■ 



1. Young shoots suddenly break off or 



