![]() ![]() In California, races of codling moth attack prune and walnut. Pears have some natural resistance to attack by codling moth when fruit are small because of their hardness, however, pears can become heavily infested in late summer as they mature. Infestations in stone fruits such as apricot and cherry are extremely rare and usually occur only where heavy infestations of apple or pear are nearby. The codling moth egg is oval, flat and, when first laid, almost transparent. Eggs are laid individually on leaves or fruit and are very difficult to find, especially in a commercial orchard. The newly hatched larva is only about 1/10 inch (2 to 3 mm) long. ![]() Its head is black, and the body is creamy white. The full grown larva is 1/2 to 3/4 inch (12 to 20 mm) long, has a brown or black head capsule and thoracic shield. The body is usually creamy white but turns slightly pink when mature. ![]()
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