Leucanthiza amphicarpeaefoliella
Clemens, 1859
Leucanthiza amphicarpeaefoliella is a minute leaf-mining in the , described by Clemens in 1859. The occurs in northeastern North America, with records from Ontario and Québec in Canada and several eastern and midwestern U.S. states. are small with a wingspan of approximately 8 mm. The are specialized on Amphicarpaea bracteata, a leguminous vine.
Pronunciation
How to pronounce Leucanthiza amphicarpeaefoliella: //luːˌkænˈθaɪzə æmˌfɪkɑːˌpiːiːəʊˌfoʊliˈɛlə//
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Identification
The can be distinguished from other North by its association with Amphicarpaea bracteata as the sole known larval . The small size (8 mm wingspan) and geographic range in northeastern North America are supporting characters. The leaf mines on hog-peanut (A. bracteata) are diagnostic for the stages. Separation from other Leucanthiza species requires examination of or molecular data.
Images
Appearance
are very small with a wingspan of about 8 mm. The body and coloration pattern has not been described in detail in available sources. As a member of , adults likely exhibit the -typical narrow, wings and reduced characteristic of microlepidoptera.
Habitat
Associated with supporting its Amphicarpaea bracteata (hog-peanut), which occurs in moist woodlands, thickets, and stream banks. The has been recorded in deciduous forest regions of the northeastern United States and adjacent Canada.
Distribution
Canada: Ontario, Québec. United States: Connecticut, Illinois, Kentucky, Maryland, Pennsylvania, Vermont. The distribution corresponds to the range of its in eastern and central North America.
Diet
feed on Amphicarpaea bracteata (hog-peanut), a legume in the Fabaceae. They mine the leaves of this . feeding habits are unknown.
Host Associations
- Amphicarpaea bracteata - larval Leaf-mining feed exclusively on this
Life Cycle
are on Amphicarpaea bracteata. The complete has not been described in detail. likely occurs within the leaf mine or in a silken on the , as is typical for . The number of per year is unknown.
Behavior
create leaf mines on the . has not been documented specifically for this .
Ecological Role
As a , may influence leaf longevity and photosynthetic capacity of the Amphicarpaea bracteata. The serves as for including birds, , and .
Human Relevance
No direct economic or medical significance. The may be encountered by botanists or naturalists examining hog-peanut plants. It is documented in citizen science platforms with over 500 iNaturalist observations.
Similar Taxa
- Other Leucanthiza species in the Leucanthiza are morphologically similar and require dissection or association for reliable identification
- Other Gracillariidae on FabaceaeSeveral gracillariid feed on legumes; specificity and mine help distinguish them