''Gnorimoschema gallaesolidaginis'', the solidago gall moth, goldenrod gall moth or goldenrod gallmaker, is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

in the family

Gelechiidae The Gelechiidae are a family of moths commonly referred to as twirler moths or gelechiid moths. They are the namesake family of the huge and little-studied superfamily Gelechioidea, and the family's taxonomy has been subject to considerable dis ...

. It was described by Riley in 1869. It is found in North America, where it has been recorded from

Alberta Alberta ( ) is one of the thirteen provinces and territories of Canada. It is part of Western Canada and is one of the three prairie provinces. Alberta is bordered by British Columbia to the west, Saskatchewan to the east, the Northwest Ter ...

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and

Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...

. The forewings are deep purplish-brown, more or less sprinkled with carneous (the color of flesh). A light carneous band starts from the costa near the base, and curves towards the middle of the inner margin, which it occupies to a little beyond the beginning of the cilia, where it curves upwards towards the tip, reaching only halfway up the wing. Here, it is approached from above by a somewhat diffuse spot of the same colour, which starts from the costa just behind the apex, and runs down to the middle of the wing. The hindwings are slate-gray.1st Ann. Rep., Missouri : 173
/ref> The larvae feed on ''

Solidago nemoralis ''Solidago nemoralis'' is a species of flowering plant in the family Asteraceae. It is native to North America, where it is widely found in Canada (every province except Newfoundland and Labrador) and the United States (all states wholly or parti ...

'', ''

Solidago altissima ''Solidago altissima'', the tall goldenrod or late goldenrod, is a North American species of goldenrod in the family Asteraceae which is widespread across much of Canada, the United States, and northern Mexico. It is common in much of its range ...

'' and ''

Solidago gigantea ''Solidago gigantea'' is a North American plant species in the family Asteraceae. Its common names include tall goldenrod and giant goldenrod, among others. Goldenrod is the state flower of Kentucky, and ''Solidago gigantea'' is the state flowe ...

''. They form spindle-shaped

gall Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants, fungi, or animals. Plant galls are abnormal outgrowths of plant tissues, similar to be ...

s on their host plant. Gnorimoschema gallaesolidaginis pupa

References

Gnorimoschema Moths described in 1869 Gall-inducing insects {{Gnorimoschema-stub