Phyllonorycter ledella
(Walsingham, 1889)
Labrador Tea Leaf Miner
Phyllonorycter ledella is a micro- in the Gracillariidae, commonly known as the Labrador Tea . It is a small leaf-mining with a wingspan of 9–10 mm. The species has a disjunct distribution across North America and is listed as endangered in Connecticut.
Pronunciation
How to pronounce Phyllonorycter ledella: /ˌfɪloʊnəˈrɪktər lɛˈdɛlə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Very small size (9–10 mm wingspan) and association with Rhododendron columbianum (Labrador tea) as the plant are key identifying features. Larval mines on leaves of this host plant provide the most reliable identification. may be attracted to light. Genital dissection is typically required for definitive -level identification within Phyllonorycter.
Appearance
Small with wingspan of 9–10 mm. As a member of the Phyllonorycter, likely have narrow, forewings with characteristic patterning typical of the genus, though specific coloration details for this are not well documented in available sources.
Habitat
Associated with where the plant Rhododendron columbianum (Labrador tea) occurs, typically in boggy or wetland areas with acidic soils.
Distribution
Disjunct distribution known from Québec, Canada, and California, United States. Additional records from Alberta, British Columbia, New Brunswick, Ontario, and Prince Edward Island, Canada. Listed as endangered in Connecticut, United States.
Diet
Larvae feed on Rhododendron columbianum (Labrador tea), mining the leaves of this plant. feeding habits are not documented.
Host Associations
- Rhododendron columbianum - larval Larvae mine leaves of this plant
Life Cycle
Complete with leaf-mining larval stage. Larvae create mines within leaves of Rhododendron columbianum. Specific details of and timing are not documented.
Behavior
Larvae are leaf miners, feeding internally within plant leaves. have been observed at light.
Ecological Role
As a , larvae may influence leaf physiology of the plant Rhododendron columbianum. Potential prey for and other natural enemies, though specific interactions are not documented.
Human Relevance
Listed as endangered in Connecticut, indicating conservation concern. No known economic importance.
Similar Taxa
- Other Phyllonorycter speciesMany Phyllonorycter are similar in size and general appearance; plant association and genital are required for reliable differentiation.
- Other Gracillariidae leaf minersSimilar leaf-mining habit and small size; plant specificity and mine help distinguish.
More Details
Conservation Status
Listed as endangered in Connecticut, United States, indicating decline or loss in that portion of its range.