Cydia pactolana

Cydia pactolana, the spruce bark tortrix, is a moth of the family Tortricidae. It is found in central, northern and eastern Europe as well as Siberia. In Japan, the subspecies Cydia pactolana yasudai is present.

Spruce bark tortrix
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Tortricidae
Genus: Cydia
Species:
C. pactolana
Binomial name
Cydia pactolana
(Zeller, 1840)
Synonyms
  • Tortrix pactolana Zeller, 1840
  • Coccyx pinetana Schläger, 1848
  • Laspeyresia yasudai Oku, 1968

The wingspan is 13–14 mm. Adults are on wing from May to June in one generation depending on the location.

The larvae feed on Picea abies, Picea pungens, Picea sitchensis and Larix species. Cydia pactolana yasudai feeds on Abies sachalinensis.

In Finland, spruce bark totrix was found to cause damage to Picea abies in association with the fungal pathogen Neonectria fuckeliana.[1]

Subspecies
  • Cydia pactolana pactolana
  • Cydia pactolana yasudai (Japan)
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References
  1. Uimari, Anne; Heliövaara, Kari; Tuba, Katalin; Poteri, Marja; Vuorinen, Martti (2018). "Occurrence of the moth Cydia pactolana is associated with the spruce canker fungus Neonectria fuckeliana". Scandinavian Journal of Forest Research. 33 (6): 529–534. doi:10.1080/02827581.2018.1427791. hdl:10138/298454. ISSN 0282-7581.


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