Edit Pecan Insect
Common Name
Latin Name
Datana integerrima
Description
Adults are moths with light-brown wings marked with dark-brown, wavy lines. The hind wings are lighter brown, without lines. Moths have a wingspan of about 1 1/2 to 2 inches. Immature larvae are reddish-brown, with narrow cream colored lines that extend the length of their body. Mature larvae are black, nearly 2 inches long, and thickly covered with long, white or grayish hairs.
Insects Life Cycle
The walnut datana overwinters as a pupa in the soil. Moths emerge in the spring and deposit white eggs in masses on the undersides of leaves. The resulting caterpillars move down to a large limb or to the trunk and form a compact mass. After shedding their skins, they migrate back toward the ends of branches and resume their feeding. Caterpillars molt several times during development. The first generation appears in June and July, and the second generation in late August and September.
Insects Symptons
Larvae feed in groups but do not form webs. They are capable of eating all the leaves on small trees or on individual limbs of large trees.
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