Appearance
The length of the forewings is 5-8.5 mm for males and 5.6-8.6 mm for females. The forewings are dark with a salmon interfascial spot at the middle of the dorsal margin. In females, this spot continues forward to the costa as a narrower band. In males, it is separated from the costal fold by a narrow strip of dark scales. There are one to three small black marks along the inner margin. Adults are on wing from late May to mid-September.
Naming
The species is named for Murray O. Glenn, in recognition of his contribution to the knowledge of the microlepidoptera of Central Illinois.References:
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