New York AGRICULTURAL EXPERIMENT Station. 447 
BORER. 
See “Sinuate Pear Borer.” 
BUD MOTH. 
The eye-spotted bud moth which attacks pears, is the same as 
that which infests apple trees. It is also known as the bud worm. 
Treatment for it is given under apples. See page 409. 
CASE BEARERS. 
PISTOL-CASE-BEARER. CIGAR-CASE-BEARER. 
These insects also infest apple trees and have been discussed 
under apples. See page 409. 
CODLING MOTH. 
This insect which causes so much loss to apple growers by caus- 
ing wormy apples, also attacks pears. It may be treated as 
recommended on page 412. 
LEAF BLISTER MITE. 
See “ Blister Mite.” 
PEAR MIDGE. 
(Diplosis pyrwora Riley.) 
Description.—The first indication of injury by this insect is the 
stunted and dwarfed fruits. If one of these fruits is cut open the 
maggots will be found near the core. The adult insect is a small 
two-winged fly somewhat resembling a diminutive mosquito. 
According to Prof. J. B. Smith* it appears early in the season 
before the buds of the pear blossoms open. The eggs are probably 
laid in the blossoms and hatch within a few days. The young mag- 
gots bore into the embryo fruit, where they remain feeding near 
the core until full grown. When ready to pupate they leave the 
fruit and go into the ground to a depth of from one-half an inch 
to two inches. After remaining unchanged for a time they make 
—. 

43 N. J. Agr. Exp. Sta. Bul. 99, page 5. 
