''Stigmella longisacca'' is a moth of the family Nepticulidae. It is found in California, United States. The wingspan is 3.2-4.4 mm. There are two and possibly three generations per year. The larvae feed on '' Juglans'' species, including '' Juglans californica''. They mine the leaves of their host plant.

External links

A taxonomic revision of the North American species of Stigmella (Lepidoptera: Nepticulidae)
Nepticulidae Moths of North America Moths described in 1982 {{Stigmella-stub