Names
link to more information on identification and management.
Click on photos to enlarge
Lygus bug damage
Identification tip: Irregular-shaped depressions
with open pustules; if fruit is peeled, hard
cells clustered
into a core can be seen in flesh beneath pustule.
|
Stink bug and western
boxelder bug damage
Identification tip: Irregularly darker depressed
areas on mature fruit with white pithy areas under skin. |
Codling moth damage
Identification tip: Two types of damage: stings—larva
bores short distance into flesh; deep entries—larva
bores to core and feeds in seed cavity. |
Leafroller damage
Identification tip: Misshapen fruit with deep, bronze-colored scars and
roughened, netlike surface, caused by fruittree
leafroller or obliquebanded leafroller early
season feeding. |
Obliquebanded leafroller damage
Identification tip: Superficial skin feeding
by summer generation larva. |
Green fruitworm damage
Identification tip: Misshapen fruit with large,
roughened, russeted cavities caused by early season feeding.
|
Western flower thrips damage
Identification tip: Small scattered, russet spots
1/8 to 1/4 inch in diameter. Spots may radiate from calyx
or be scattered over fruit surface. |
Mealybug (grape, obscure)
damage
Identification tip:Honeydew and russeting on calyx
end. |
Pearleaf blister mite damage
Identification tip: Slightly convex, oval russet
spots, 1/4 to 1/2 inch in diameter with surrounding halo
of clear tissue. Spots frequently run together, often leaving
fruit deformed and misshapen. |
Pear rust mite damage
Identification tip: Uniform bronzing of the fruit
surface, often localized around calyx or stem end. |
Pear psylla damage
Identification tip: Black sooty mold on honeydew
and russeting of fruit skin. |
San Jose scale damage
Identification tip: Reddish purple ring (halo)
surrounding feeding site. Bumpy, misshapen and stunted fruit. |
Katydid damage
Identification tip: Bite marks approximately
1/3 inch wide and 1/5 inch deep. |
Pear scab damage
Identification tip: Scablike spots and misshapen
fruit. |
Pear scab secondary damage
Identification tip: Large scab and secondary
pinpoint lesions on ripe fruit. |
