Tortricidia

Packard, 1864

Species Guides

3

Tortricidia is a of slug caterpillar moths in the Limacodidae, established by Alpheus Spring Packard in 1864. The genus contains at least three recognized : T. testacea, T. pallida, and T. flexuosa. These are part of the diverse limacodid fauna of North America. Members of this genus are characterized by their distinctive larval typical of the family.

Tortricidia testacea by (c) John Abrams, some rights reserved (CC BY), uploaded by John Abrams. Used under a CC-BY license.Tortricidia pallida by (c) Desiree L. Narango, some rights reserved (CC BY), uploaded by Desiree L. Narango. Used under a CC-BY license.Tortricidia flexuosa by (c) Nick Block, some rights reserved (CC BY), uploaded by Nick Block. Used under a CC-BY license.

Pronunciation

How to pronounce Tortricidia: /tɔrtɹɪˈsɪdiə/

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Identification

of Tortricidia generally resemble other small to medium-sized limacodid with relatively broad, rounded wings and muted coloration in shades of brown, tan, or gray. The can be distinguished from related limacodid genera by subtle wing pattern elements and genitalic characters, though specific identification to species level often requires examination of genitalia or larval associations. Larvae possess the characteristic reduced and slug-like locomotion typical of Limacodidae, with some species showing distinctive color patterns or setal arrangements.

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Distribution

North America, with records from the United States including Vermont and broader eastern and central regions. Specific range boundaries for individual within the remain incompletely documented.

Human Relevance

Larvae of some Tortricidia , like other limacodids, possess urticating setae that can cause skin irritation upon contact, though they are generally not considered medically significant pests.

Similar Taxa

  • Other Limacodidae genera (e.g., Limacoda, Euclea, Parasa)Share the characteristic slug-like larval form and reduced structure; may show convergent wing patterns and require genitalic dissection for definitive separation.
  • Tortrix moths (Tortricidae)Superficially similar name and some resting postures; distinguished by -level characters including larval Tortricidae larvae have full complement of and do not exhibit slug-like locomotion.

More Details

Taxonomic history

The was established by Alpheus Spring Packard, a prominent 19th-century American entomologist, in 1864. The type is Tortricidia testacea Packard, 1864.

Sources and further reading