Rhyacionia adana

Rhyacionia adana
Larva
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Section: Cossina
Family: Tortricidae
Genus: Rhyacionia
Species: R. adana
Binomial name
Rhyacionia adana
Heinrich, 1923

Rhyacionia adana, the Adana tip moth, is a moth of the Tortricidae family. It is found in north-eastern North America, including Massachusetts, Pennsylvania, Virginia, Michigan, Wisconsin and Ontario.

Damage

The wingspan is about 17 mm. There is one generation per year.

The larvae feed on various pine species. The larvae mine the current year's shoots of red, jack and Scots pine seedlings and saplings (it attacks the lower halves of trees up to 25 feet tall). Serious damage has been recorded in red and Scots pine plantations in Massachusetts, Pennsylvania, Virginia, Michigan, Wisconsin, and Ontario.

The female lays her eggs between needles just above the sheath of the needle fascicle. Newly hatched larvae spin silken cases between two old needles just above the needle sheath. They then enter the needles and mine toward the tip. After new needle growth has started, larvae enter and mine developing shoots. Several larvae may inhabit a single shoot, moving toward the buds and causing shoot death. In mid-June to late July, mature larvae move down the main stem of the tree and pupate in cocoons cemented to the stem just below the soil surface. Shoot death becomes apparent after the insect has pupated.

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