24 The Horticulturist' s Rule- Book. 



Currant (Borer), continued. 



canes. These canes are distinguished before cutting by 

 lack of vigor, and by limberness. 



CURRANT-WORM, or CURRANT and GOOSEBERRY SAW-FLY 

 (Nematus ventricosus, Klug). Larva, about three-fourths 

 inch long, yellow, green, feeding upon the leaves of red 

 and white varieties ; two to four broods. 



Remedies. White hellebore, applied early. Arsenites 

 after the fruit is picked. 



CURRANT MEASURING or SPAN-WORM (Enfitchia (Abraxis) 

 ribearia, Fitch.). Larva somewhat over an inch long, 

 with stripes and dotted with yellow or black, feeding upon 

 the leaves. 



'Remedies. Hellebore, applied stronger than for currant 

 worm. Arsenites, if the bushes are not bearing. Hand 

 picking. 



FOUR-STRIPED PLANT-BUG (Pcecilocapsus lineatus, Fabr.). A 

 bright yellow black-striped bug about one-third of an inch 

 long, puncturing the young leaves and shoots of many 

 plants. 



Remedy. Jarring early in the morning. 



GREEN LEAF-HOPPF.R (Empoa albopicta, Forbes). Small insect 

 working upon the under surface of the currant and goose- 

 berry leaves. Also upon the apple. 



Remedy. Pyrethrum. 



GREEN LEAF-HOPPER. ( Typlocylm albopicta, Forbes). A pale 

 green insect about one-tenth inch long, feeding upon leaves 

 of currants and gooseberries, also upon the apple, causing 

 white spots to appear upon the upper surfaces. 



Remedies. Pyrethrum, applied before the insects are 

 fully grown. Tobacco dust. 



Cut-Worm. Various species of Agrotis and related genera. 

 Soft, brown or gray worms, of various kinds, feeding upon 

 the roots, crown, or even the tops of plants. 



Preventives and Remedies. Encircling the stem of the 

 plant with heavy paper or tin. Arsenites sprinkled upon 



