Adult Recognition
FWL: 7.5-10.0 mm
Forewing pattern is variable, with ground color varying from dark gray to brown, red, or black. The dorsal margin is pale yellow or white in some individuals. Males lack a forewing costal fold. A genitalic dissection may be necessary to separate this species from other Acleris.
Larval Morphology
Last instar larvae are 12-17 mm in length. The head is dark brown ventrally and light brown dorsally, although the degree of contrast between the two halves can vary. Other diagnostic features of the larvae include the prothoracic shield, which is shaded posterolaterally with dark brown to black and the thoracic legs, with are dark on the prothorax and pale on the other two segments.
Biology
Life history information is not well documented. Chapman and Lienk (1971) suggest that only one generation is produced in the northeastern U.S. Larvae complete development in late July to late August, and adults are present August and September. Overwintering probably occurs as a mid-instar larva.
Larvae feed between two leaves, skeletonizing the top surface of one the leaves. Larvae will feed on apples if given an opportunity, although this species has not been recorded damaging cultivated apples.
Host plants
In addition to apple, A. flavivittana has been recorded feeding on pin cherry.
| Family | Genus/species | Common name |
| Rosaceae | Malus Mill. | apple |
| Rosaceae | Prunus pensylvanica L. f. | pin cherry |
Distribution
Acleris flavivittana occurs in the northeastern United States and southern Canada. It has also been recorded from North Carolina.
References
Chapman, P. J. and S. E. Lienk. 1971. Tortricid fauna of apple in New York (Lepidoptera: Tortricidae); including an account of apple's occurrence in the state, especially as a naturalized plant. Spec. Publ. Geneva, NY: New York State Agricultural Experiment Station. 122 pp.
