Records from Montana, North Dakota, Kansas, Missouri, Arizona, New Mexico, Oklahoma, Alabama and Maryland. (3), (2)
Type locality: Fort Bayard, New Mexico (G.E. Bushnell).
Food
Larvae feed gregariously on the terminal twigs of pine, including ponderosa pine (Pinus ponderosa) and jack pine (Pinus banksiana). (4), (1)
Life Cycle
One generation per year in the Dakotas, 2 per year in Nebr.(5)
Remarks
The adults is indistinguishable from the Nantucket pine tip moth (R. frustrana), altho it tends to be larger. It is believed this species is separate because of its overwintering habit and size.(5) - See also Miller's taxonomic review.
Print References
Busck, A. 1914. Descriptions of new microlepidoptera of forest trees. Proceedings of The Entomological Society of Washington 16: 144. (1)