Pandemis lamprosana
(Robinson, 1869)
Woodgrain Leafroller Moth
Pandemis lamprosana, known as the woodgrain , is a moth to northeastern North America. are active in late summer with a single . The is recognized by its pattern and moderate size. are leaf feeders on numerous deciduous tree species.
Pronunciation
How to pronounce Pandemis lamprosana: /pænˈdiːmɪs læmˈprəʊsænə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
The woodgrain pattern on the provides the and a visual cue. Forewing measurements differ from some ; Pandemis limitata (three-lined ) shows different banding patterns. examination may be required for definitive separation from similar Pandemis .
Images
Habitat
Associated with deciduous forest and woodland edges where trees occur. Larval development occurs on foliage of and understory trees.
Distribution
Northeastern United States, Quebec, and Ontario. Records include Vermont and adjacent regions.
Seasonality
active late June through July. One per year (). Larval feeding period precedes adult ; specific timing not documented.
Diet
feed on leaves of multiple deciduous tree : Acer rubrum, Acer saccharinum, Acer spicatum, Betula alleghaniensis, Betula papyrifera, Ostrya virginiana, Gleditsia triacanthos, Fagus species, Quercus species (including Q. rubra), Hamamelis species, Sassafras species, Fraxinus species (including F. americana), Platanus species, Prunus virginiana, Populus tremuloides, Tilia americana, Ulmus americana, and Ulmus rubra. feeding habits unknown.
Host Associations
- Acer rubrum - larval foliage
- Acer saccharinum - larval foliage
- Acer spicatum - larval foliage
- Betula alleghaniensis - larval foliage
- Betula papyrifera - larval foliage
- Ostrya virginiana - larval foliage
- Gleditsia triacanthos - larval foliage
- Fagus - larval foliage; unspecified
- Quercus - larval foliage; including Q. rubra
- Hamamelis - larval foliage; unspecified
- Sassafras - larval foliage; unspecified
- Fraxinus - larval foliage; including F. americana
- Platanus - larval foliage; unspecified
- Prunus virginiana - larval foliage
- Populus tremuloides - larval foliage
- Tilia americana - larval foliage
- Ulmus americana - larval foliage
- Ulmus rubra - larval foliage
Life Cycle
likely laid on foliage; specific sites undocumented. feed externally on leaves, reaching 20 mm at maturity. site not specified in available sources. emerge in late June to July.
Behavior
are external leaf feeders, rolling or tying leaves as shelter—typical of , though specific shelter-building for this is not independently documented. are and attracted to light.
Ecological Role
Larval on deciduous trees; contributes to leaf damage in forest . Not documented as a significant . Role in as for birds, , and other inferred from -level patterns but not specifically recorded.
Human Relevance
Minor forest ; not considered economically important. May be encountered in surveys and programs. references the pattern rather than wood product damage.
Similar Taxa
- Pandemis limitataThree-lined with similar size and range; distinguished by pattern with three distinct transverse versus woodgrain mottling of P. lamprosana
- Pandemis cerasanaEuropean to North America; overlaps in use but differs in markings and typically shows two annually in southern range
More Details
Nomenclature
Originally described as Tortrix lamprosana by Robinson in 1869. Transferred to Pandemis. Basionym preserved in synonymy.
Research Status
Well-represented in citizen science platforms with over 2,700 iNaturalist observations, suggesting it is frequently encountered and reliably identifiable by photographers. Detailed studies appear limited in primary literature.