Gnorimoschema septentrionella

Fyles, 1911

A small gelechiid described by Fyles in 1911. The is known from northern and north-central North America, with records spanning Canada and the northern United States. Larvae are gall-formers on Aster junceus. Wingspan approximately 20 mm.

Pronunciation

How to pronounce Gnorimoschema septentrionella: //nɔːr.ɪ.moʊˈskɛ.mə sɛpˌtɛn.tɹi.əˈnɛl.lə//

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Identification

A small with wingspan around 20 mm. Specific diagnostic features for field identification are not documented in available sources. presumably resemble other small Gnorimoschema , requiring genitalia dissection or larval association for reliable identification.

Habitat

Associated with supporting its plant Aster junceus, a of aster found in various open and semi-open environments in northern North America.

Distribution

Recorded from Alberta, British Columbia, Quebec, and Saskatchewan in Canada; and from Maine, Michigan, and Minnesota in the United States.

Diet

Larvae feed on Aster junceus. feeding habits are not documented.

Host Associations

  • Aster junceus - larval plantLarvae form galls on this

Life Cycle

Larvae form galls on their plant. Details of , , and timing are not documented.

Behavior

Larvae induce gall formation on plant stems. patterns are not described in available sources.

Ecological Role

As a gall-former, modifies plant tissue to create protected feeding chambers. The ecological significance of this interaction in broader contexts has not been studied.

Similar Taxa

  • Other Gnorimoschema speciesMany are small, brownish gelechiids with similar wing patterns; reliable separation often requires examination of genitalia or knowledge of larval plant
  • Gnorimoschema gallaesolidaginisAlso a gall-forming Gnorimoschema , but occurs on goldenrod (Solidago) rather than Aster; gall shape and plant distinguish the two

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Sources and further reading