32 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
NATURAL ENEMIES. 
PARASITES. 
At frequent intervals throughout the summer quantities of wormy 
Fia. 13.—Weekly emergence of moths from material collected under 
a 
Sas can oS 
26| 3 10/7 243 7 14 2/1 239\ 4 /4 
YONE YULY AUs. SEPT 
| ieee 
+A ALL 
bands on 15 pear trees, at Suisun Cal., 1910. (Original. ) 
fruit were brought 
into the laboratory 
from different orchards 
throughout Contra 
Costa County and kept 
in jars in shaded 
places out of doors, 
but not a single hy- 
menopterous or dip- 
terous parasite was 
reared from all the 
worms in this fruit. 
Neither was there any 
reared from the material taken under bands on pear and apple trees. 
PREDACEOUS ENEMIES. 
Occasionally a carabid larva was found under the bands eating the 
larvee, and late in the season a number of tenebrionid beetles, some 
of which were compared to beetles determined by Mr. EK. A. Schwarz, 
of the Bureau of Entomology, as Lulabis rufipes Esch. and found to 
—— ea 
22915 /2 99 26\2 9 © 23H) 6 13 2BO2NF7 W/ 18 25\/ & 1§ 22 
GUNE ASL AUG. SEP COGwa VOW’ 
Fia. 14.—Band records of the codling moth from apple trees at San Jose, Cal., 1909. (Original.) 
be the same, were found under bands with partly eaten larvee, but 
in no case were these beetles found actually eating the larve. 
THE CONTROL OF THE CODLING MOTH ON PEARS IN CALIFORNIA. 
There are some necessary differences in the treatment of pear and 
apple orchards for the control of the codling moth. The calyx lobes 
