Rhyacionia frustrana

Small size (wingspan ~11 mm) distinguishes adults from larger tortricid species. Larvae are concealed within pine shoots, buds, and conelets, making field identification difficult without dissection of damaged tissue. Damage symptoms—stem deformity, stunted growth, and dying shoot tips on young pines—are more readily observed than the larvae themselves. Similar to other Rhyacionia species that attack pines; precise identification requires examination of adult genitalia or larval morphology by specialists.

Small moth with wingspan approximately 11 mm. Adults are nondescript tortricid moths typical of the family; detailed coloration and pattern not specified in available sources.

Young pine stands including plantations, wild pine seedlings in open areas, Christmas tree plantings, ornamental pines, and pine seed orchards. Associated with Pinus species across a range of forest management and horticultural settings.

United States: Massachusetts south to Florida, west to Missouri, Oklahoma, Texas, and California. Caribbean: Dominican Republic, Cuba, Jamaica. Central America: Mexico (Oaxaca), Guatemala, Honduras, Nicaragua.

Adults emerge in early spring; emergence as early as February in Florida. Four to five generations per year in Florida, suggesting extended activity through growing season in southern portions of range.

Larvae feed on growing shoots, buds, and conelets of pine species (Pinus). Documented hosts include Pinus caribaea, P. cubensis, P. banksiana, P. taeda, P. contorta, P. radiata, P. oocarpa, P. rigida, P. serotina, P. ponderosa, P. resinosa, P. clausa, P. sylvestris, P. echinata, P. elliottii, P. glabra, P. pungens, and P. virginiana.

• Pinus taeda - preferred hostincreasing populations in Florida correlate with increasing infestations
• Pinus caribaea - host
• Pinus cubensis - host
• Pinus banksiana - host
• Pinus contorta - host
• Pinus radiata - host
• Pinus oocarpa - host
• Pinus rigida - host
• Pinus serotina - host
• Pinus ponderosa - host
• Pinus resinosa - host
• Pinus clausa - host
• Pinus sylvestris - host
• Pinus echinata - host
• Pinus elliottii - host
• Pinus glabra - host
• Pinus pungens - host
• Pinus virginiana - host

Four to five generations per year in Florida; generation time varies with latitude and climate. Overwintering stage not specified in available sources. Larval development occurs within host tissues.

Larvae feed internally within growing shoots, buds, and conelets, concealed from external view. Adults emerge in early spring, with timing varying by region.

Herbivore and significant pest of pine forestry and horticulture. Supports a complex of hymenopterous parasitoids, though primary parasitoid species require careful verification. Population dynamics influenced by host availability and vegetation management practices.

Major economic pest of young pine plantations, Christmas tree operations, ornamental pines, and seed orchards. Causes growth loss and stem deformity, reducing timber quality and marketability. Management of loblolly pine expansion in Florida complicated by associated increases in NPTM infestations.

• Other Rhyacionia speciesCongeneric species also attack pine shoots; require specialist examination for reliable separation
• Other pine-feeding tortricidsSimilar concealed feeding habit in pine tissues; damage symptoms may overlap

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• Nantucket Pine Tip Moth, Rhyacionia frustrana (Comstock) (Insecta: Lepidoptera: Tortricidae)
• Survey of Parasitoids Associated with Rhyacionia frustrana (Comstock) in Bulloch County, Georgia
• PRIMARY HYMENOPTEROUS PARASITES OF NANTUCKET PINE TIP MOTH, RHYACIONIA FRUSTRANA (COMSTOCK)1
• Volatiles Associated with Preferred and Nonpreferred Hosts of the Nantucket Pine Tip Moth, Rhyacionia frustrana
• Erratum: Effects of Vegetation Control on Parasitoids of the Nantucket Pine Tip Moth, Rhyacionia frustrana (Lepidoptera: Tortricidae)
• Effects of Vegetation Control on Parasitoids of the Nantucket Pine Tip Moth, Rhyacionia frustrana (Lepidoptera: Tortricidae)
• Within-tree response of Nantucket pine tip moth,Rhyacionia frustrana [Lep.: Tortricidae] Parasitoids to varying host densities