About Stigmella longisacca Newton & Wilkinson, 1982
Stigmella longisacca is a moth species belonging to the family Nepticulidae. It was first described by Newton & Wilkinson in 1982. This moth is found in California, United States. Its wingspan measures between 3.2 and 4.4 millimeters. It produces two generations per year, and may possibly produce a third. The larvae of this species feed on plants of the genus Juglans, which includes Juglans californica. The larvae create mines inside the leaves of their host plants.