Orange Tortrix

Orange Tortrix

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Common names: Orange Tortrix

Scientific name: Argyrotaenia citrana

Region: This Caterpillar is found in the southwestern United States and the Far West.

Life cycle: This insect produces two to four generations each year and overwinters as a larvae in garden debris.  They pupate in leaves and flowers at the tips of twigs.

Physical Description: This 1/2 inch long caterpillar is light green or gold with a light brown head.  The adult moth is tan or rust colored with a black mark shaped in a V when the wings are folded at rest.  The wingspan on this moth is about 1/2 an inch.  The eggs are cream colored discs that are laid on both leaf tops and bottoms in overlapping masses.

Feeding characteristics: This pest attacks apple, apricot, citrus, pear, and plum plants.  The larvae make nests by rolling leaves into a web and feed within on the foliage.

They will also bore into citrus, such as oranges, scarring them near the bottom and causing them to drop before their time.

Controls: Destroy the eggs as they appear and catch the adult moths with electronic light traps.  If you see a caterpillar with white eggs on its back, don't pick it, as they might be the eggs of a parasite that will produce beneficial wasps.  For serious infestations, Bacillus thuringiensis kills the larvae.  Pyrethrum dust or spray has been found to be very effective against this pest.

Return from Orange Tortrix to Insects M-P Encyclopedia of Garden Insects

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