Argyrotaenia occultana

Argyrotaenia occultana, the fall spruce needle moth, is a moth of the family Tortricidae. The species was first described by Thomas Nesbitt Freeman in 1942. It is found in North America, where it has been recorded from British Columbia north to Yukon and Northwest Territories, east to Newfoundland and south to Kentucky and Oregon.[2] The habitat consists of spruce forests.

Argyrotaenia occultana
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Tortricidae
Genus: Argyrotaenia
Species:
A. occultana
Binomial name
Argyrotaenia occultana
Freeman, 1942[1]

The wingspan is about 16 mm. The forewings are light grey with dark grey or black reticulations. The hindwings are light grey. Adults have been recorded on wing from the end of April to late June.

The larvae feed on Betula species, Abies species (including Abies balsamea), Larix species, Picea species (including Picea engelmanni, Picea glauca, Picea mariana, Picea rubens), Pinus contorta, Pseudotsuga menziesii and Tsuga species.[3] They web the needles of their host plant. The larvae are green with a darker green middorsal stripe and with brown markings on the head. The species overwinters in the pupal stage.

References edit

  1. ^ tortricidae.com
  2. ^ Dombroskie, J. J. (April 16, 2009). "Species Details: Argyrotaenia occultana". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved December 28, 2020.
  3. ^ Brown, J. W., G. Robinson & J. A. Powell. 2008. Food plant database of the leafrollers of the world (Lepidoptera: Tortricidae) (Version 1.0)