Codling Moth or 
Aphids on Leaf Apple Worm 
CABBAGE CAULIFLOWER 
Cabbage Worm. Green worms feed upon leaves 
all through season. Use pyrethrum or rotenone 
spray or dust. 
Cabbage Looper. Smooth 
looping caterpillars feed with 
cabbage worms late in sum- 
mer, and require same treat- 
ment, 
Cabbage Maggot. Infest 
stems of early-set plants near 
surface of ground, checking 
growth and often killing 
them. Practice crop rotation. 
Apply Chlordane around newly 
set plants. 
Club Root. Causes knob-like enlargements on 
the roots of cabbage and allied plants. The germ 
often becomes established in the soil; when pos- 
sible avoid such land and the use of refuse from 
old plants on the soil. Be especially careful that 
the seed bed is not infested. Infested land, if 
used, should be treated in the fall with lime broad- 
cast at the rate of 80 bushels per acre, and worked 
in. 
Cabbage Worm 
CELERY 
Celery Caterpillar. Feeds upon the leaves of 
celery, parsley, and fennel. Use pyrethrum or 
rotenone spray or dust. 
Leaf Blight and Leaf Spot are two diseases 
showing “rusty” spots on leaves and petioles; the 
latter trouble distinguished by the very minute 
black dots in the discolored spots, often progress- 
ing in stalks after storage. Spray the plants thor- 
oughly in the seed bed with Bordeaux, as infected 
plants are often the means of introducing the 
trouble in the field. If necessary continue the 
spraying after transplanting at intervals of about 
two weeks, up to the middle of September. Before 
covering for bleaching, if leaf spot is abundant, 
dust with sulphur, and before final storage remove 
infected leaves and dust again. 
CORN 
Corn Ear Worm. Eats the immature kernels at 
the end of the ear. Use Corn Ear Worm Oil. 
Corn Borer. Ryania 40-D as directed. 
CUCUMBERS 
Striped Cucumber Beetle. Attacks young plants, 
eating the leaves. Larvae infest the main root or 
stem under ground, often killing the plant. Use 
cryolite or rotenone dust. 
Canker Worm 
Tent Caterpillar Plum Curculio 
CURRANT 
Currant Worm. Devours foliage in May. Spray) 
or dust with pyrethrum as soon as leaves unfold. 
Currant Borers. The larvae of two species of) 
insects tunnel in the pith of the stems, causing)}!' 
the leaves to droop and wilt. 
canes during May. 
Currant Aphids. Yellowish-green aphids on) 
under side of leaves, causing them to curl. Under- 
spray with nicotine solution, D-X or Red Arrow. 
Destroy infested: 
ELM 
Spiny Elm Caterpillar. Clusters of black spiny }| 
caterpillars often strip certain branches of elm,) 
willow and poplar. Remove and destroy entire; 
cluster, or spray with lead ar-. 
senate. | 
Elm Leaf Beetle. Adult| 
beetles eat holes through the: 
leaves in May, and in June) 
and July the larvae or grubs)! 
eat away the green tissues; 
from the under surface. Spray) 
with lead arsenate early in} 
May to kill egg-laying- bee-. 
tles, or spray under surface:| 
of leaves with same mixture|| 
about June Ist, to kill the: 
larvae. Yellow pupae at base} 
Larvae of Elm Leaf 01. trees’ maya Demmilled with | 
eetle spray oil. | 
- GRAPE | 
Grape Plume Moth. Small, green, shiny cater--| 
pillars web together the newly formed leaves at'!| 
the tips of new shoots. Damage more apparent }} 
than real. Crushing by pinching these leaves is} 
the best remedy. Grape Berry Moth. Larvae: 
r feeds and develops inside the: 
berries, and this is the cause: 
with lead arsenate soon after) 
fruit sets. 
Sphinx and Other Cater-| 
pillars. Several species of 
horn worms, as well as other: 
kinds of caterpillars, feed 
upon the leaves. 
Grape Berry Moth 
picking. 
of most wormy grapes. Spray) 
Spray with) 
lead arsenate or practice hand| 
22 re 
fruit sets, and repeat twice at’) 
intervals of about ten days. | 
Bag the clusters soon after the | 
