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Macrosaccus uhlerella is a moth of the Gracillariidae family. It is known from Illinois, Missouri, New York, Colorado and Texas in the United States.
The wingspan is 6-6.5 mm.
The larvae feed on Amorpha species (including Amorpha fruticosa) and Robinia species. They mine the leaves of their host plant. The mature mine is an elongate-oval, whitish blotch located on the underside of the leaf usually near the edge of the leaflet. Eventually, as the mine becomes tentiform, the leaf edge is slightly curled.
References
Macrosaccus uhlerella Wikipedia(Text) CC BY-SA