How to Manage Pests

Leafrollers have pairs of prolegs (leglike appendages, or fleshy stubs) on abdominal segments 3 to 6 and the last segment.

Amorbia, or western avocado leafroller
Amorbia cuneana

Yellowish green to dark green body up to 1 inch long. Distinguished from other leafrollers by two black stripes on each side, on the head and above the first pair of legs.

Mostly on avocados, also on citrus, grapes, and ornamentals.

Apple pandemis
Pandemis pyrusana

Greenish body up to 1/2 inch long with yellowish green or straw-colored head and prothoracic shield.

Mostly on apples, caneberries, pears, and strawberries in coastal areas.

Garden tortrix
Clepsis (=Ptycholoma) peritana

Brown to green body up to 1/2 inch long and brown head and prothoracic shield; has a small, distinct dark brown spot on each side of the head.

Mostly on chrysanthemums, cole crops (crucifers, Brassicaceae), figworts, and strawberries.

Light brown apple moth
Epiphyas postvittana

Light to medium green body up to 3/4 inch long, black or yellow to light green head, and black to light- or medium-green prothoracic shield.

Mostly a pest of ornamentals in coastal areas; also found on caneberries, fruit trees, vines, and other plants.

Fruittree leafroller
Archips argyrospila

Greenish body up to 1 inch long with a black or brown head and prothoracic shield; occurs only during spring.

On fruit and nut trees, oaks, ornamentals, and vines in coastal areas and inland valleys.

Obliquebanded leafroller
Choristoneura rosaceana

Yellowish-green body up to 1-1/4 inches long with a black or brown head and prothoracic shield. Larvae present throughout the growing season, unlike similar fruittree leafroller.

On fruit trees, ornamentals, and vines, mostly in inland valleys.

Omnivorous leafroller
Platynota stultana

Cream to brown body up to 3/5 inch long with black or brown head and prothoracic shield. Mounds (tubercles) at the base of the bristles along top and sides are chalky white. The main blood vessel along the back is often visible through the cuticle as a faint dark stripe.

On caneberries, fruit and nut trees, grapes, and ornamentals, mostly in inland valleys.

Orange tortrix
Argyrotaenia franciscana

Body greenish to bright yellow or straw-colored and up to 1/2 inch long; head and prothoracic shield brown, gold, or straw-colored. The mounds (tubercles) at the base of the bristles along top and sides are brown, greenish, or yellow, not white.

On cole crops, caneberries, fruit and nut trees, grapes, and ornamentals, mostly in coastal areas.

MORE INFORMATION

Field Identification Guide for Light Brown Apple Moth in California Nurseries (PDF), UC ANR.

Tortricids of Agricultural Importance (TortAI) including all known hosts for each species and identification keys to adults and larvae, California Department of Food and Agriculture and Colorado State University.