Synonyms and other taxonomic changes
Choristoneura rosaceana (Harris, 1841)
Loxotaenia rosaceana Harris, 1841
Choristoneura vicariana (Walker, 1863)
Choristoneura gossypiana (Packard, 1869)
Explanation of Names
Specific epithet for the larval hosts in the Rosaceae family.
Forewing length: males 7.5-11 mm, females 11.5-14 mm. (LBAM
FW in male has a costal
fold (See detail image
) from base to top of AM, where dark scale tufts lie flat, forming a dark spot, which is absent in similar species. HW pale orange-yellow in male; deep-yellow in female, but may have gray shading in the lower third. (1)
Common throughout eastern N. America.
Polyphagous. Prefers plants from the Rosaceae family. A pest in apple, pear, and peach orchards and also will feed on blueberries and raspberries, ornamental shrubs, occasionally found feeding on pines. (2)
Two generations per year over the majority of its range, with one generation in northern areas and at higher elevations. Adults are present in late June - July and again in late August - September.
1. Eggs 2. 1st instar 3. Older larva 4. Pupa 5. Adult
Other "bell-shaped" Leafrollers:
Harris, T.W., 1841. Lepidoptera. Leaf-rollers (Tortrices). A report on the insects of Massachusetts, injurious to vegetation
Emmons, E., 1854. I. Insects of New York. Order XI. Lepidoptera (continued). Tortricidae. Leaf-rollers. Natural History of New York