Stigmella intermedia Leaf Mines on Sumac (Rhus sp.)

''Stigmella intermedia'' is a moth of the family Nepticulidae. It is found in North America in Ohio, Arkansas, Kentucky and Ontario.

The wingspan is 3-3.5 mm. Usually there are two generations per year, with larvae maturing in July and overwintering, but occasionally a third generation appears.

The larvae feed on ''Rhus typhina'' and ''Rhus aromatica''. They mine the leaves of their host plant. The loosened epidermis is bright green at first, later yellowish, and is marked.. more