Phyllonorycter incanella
(Walsingham, 1889)
Phyllonorycter incanella is a micro- in the Gracillariidae, known from scattered locations in western and eastern North America. have a wingspan of approximately 9 mm. The is a , with larvae feeding on alder species.
Pronunciation
How to pronounce Phyllonorycter incanella: /ˌfɪloʊnoʊˈrɪktər ɪnˈkænɛlə/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Extremely small size (9 mm wingspan) distinguishes this from most larger . Within the Phyllonorycter, identification requires examination of genitalia or detailed wing pattern analysis; external alone is insufficient. The combination of small size, association with alder , and geographic location (California, Arizona, Maine) may aid in narrowing identification. Similar congeneric species occur on alders and require determination.
Appearance
A minute with a wingspan of about 9 mm. As a member of the Phyllonorycter, likely exhibit the characteristic metallic golden, coppery, or silvery markings on the forewings typical of the group, though specific coloration details for this are not documented in available sources.
Habitat
Associated with alder-dominated environments where plants grow. Specific preferences are undocumented, but alders typically occur along streambanks, in wetlands, and moist woodland edges.
Distribution
Known from California, Maine, and Arizona in the United States. Records also include British Columbia, Canada. The disjunct eastern and western distribution pattern suggests possible broader range with undercollection or cryptic complexity.
Diet
Larvae feed on Alnus , specifically Alnus incana (speckled alder) and Alnus rhombifolia (white alder). Larvae are leaf miners, feeding within the leaf tissue of plants. feeding habits are unknown.
Host Associations
- Alnus incana - larval plantlarvae mine leaves
- Alnus rhombifolia - larval plantlarvae mine leaves
Life Cycle
Larvae mine leaves of alder plants. Specific details of , strategy, and number of per year are not documented.
Behavior
have been observed at blacklight, indicating activity. Larvae are endophagous leaf miners, feeding internally within leaf tissue rather than externally on the surface.
Ecological Role
As a , larvae create localized damage to alder foliage. The ecological impact is likely minor given the specialized feeding and limited distribution records. May serve as prey for and other natural enemies, though specific relationships are undocumented.
Human Relevance
No documented economic or agricultural significance. The is not known to be a pest. Alders are occasionally used in restoration plantings and landscaping, but this has no recorded impact on such activities.
Similar Taxa
- Phyllonorycter alnicolellaAlso feeds on alders; requires genitalia examination or detailed wing pattern analysis for separation
- Other Phyllonorycter species on AlnusMultiple utilize alder ; -level identification typically requires dissection or analysis
More Details
Taxonomic note
The specific epithet 'incanella' likely refers to the plant Alnus incana. The was described by Walsingham in 1889.