Argyresthia laricella

Argyresthia laricella, the larch shoot moth, is a moth of the family Yponomeutidae. The species was first described by William D. Kearfott in 1908.[1] It is found in Canada, including north-western Ontario, Nova Scotia, south-eastern Manitoba, Saskatchewan, western Alberta and southern British Columbia.

Argyresthia laricella
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Argyresthiidae
Genus: Argyresthia
Species:
A. laricella
Binomial name
Argyresthia laricella
Kearfott, 1908

The wingspan is 11–12 mm. The forewings are nearly immaculate, very pale shining ochreous. The hindwings are whitish ochreous.[2] Adults are on wing from the end of June to mid-July.

The larvae feed on Larix species (including L. decidua, L. kaempferi, L. laricina and L. occidentalis) and Picea glauca.[3] Young larvae bore through the terminal twigs of their host plant, effectually killing the twigs and stopping further growth. In fall, they cut a circular exit hole at the base where pupation takes place.

References
  1. mothphotographersgroup
  2. "Species Page - Argyresthia laricella". Entomology Collection. University of Alberta E.H. Strickland Entomological Museum. Archived from the original on November 3, 2019.
  3. HOSTS - a Database of the World's Lepidopteran Hostplants


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