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Dahlica triquetrella is a bagworm moth of the Psychidae family. It is found in Europe and North America.

This article may be expanded with text translated from the corresponding article in German. (May 2022) Click [show] for important translation instructions. View a machine-translated version of the German article. Machine translation like DeepL or Google Translate is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Consider adding a topic to this template: there are already 9,783 articles in the main category, and specifying|topic= will aid in categorization. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Dahlica triquetrella]]; see its history for attribution. You should also add the template {{Translated|de|Dahlica triquetrella}} to the talk page. For more guidance, see Wikipedia:Translation.

Dahlica triquetrella
Case
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Psychidae
Genus:	Dahlica
Species:	D. triquetrella
Binomial name
Dahlica triquetrella (Hübner, 1813)
Synonyms
Solenobia triquetrella

The wingspan is 9–13 mm for males. Females are wingless. Though winged males occur in some sites in Europe, only the parthenogenetic wingless female form of Dahlica triquetrella has been recorded in Britain. The adult lives a very short time.

The larvae feed on lichen and algae on trunks, rocks and old walls. This diet has to be supplemented by dead insects for development to be successful. The larva is active as the snow melts in Europe.

Gallery

• 
  pupal case
• 
  female imago

External links

• Ukmoths
• Bug Guide
• Lepiforum.de
• Swedish Moths

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