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Digital Guide to Moth Identification

Genitalia Images
99005519055Archips xylosteanus – Variegated Golden Tortrix Moth – (Linnaeus, 1758)
Distribution Data for Archips xylosteanus
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Distribution: Palearctic
Seasonality
and Size:
Forewing length in males is 7-10mm, and 9-10mm in females (2). Adults present June to mid-August.
Larva and
Host Plants:
Larvae are polyphagous and have been recorded feeding on representatives of Aceraceae, Betulaceae, Caprifoliaceae, Clusiaceae, Cornaceae, Fagaceae, Pineaceae, Oleaceae, Rosaceae, Rutaceae, Salicaceae, Tiliaceae, and Ulmaceae. Hosts of importance include Acer (maple), Alnus (alder), Betula (birch), Lonicera (honeysuckle), Cornus (dogwood), Castanea crenata (chestnut), Quercus (oak), Fraxinus excelsior (ash), Abies (fir), Crataegus (hawthorn), Malus domestica and Malus pumila (apple), Prunus armeniaca (apricot), P. avium and P. serrulata (cherry), Pyrus pyrifolia (pear), Rubus (raspberry), Sorbus aucuparia (mountain ash), Citrus (citrus), Salix cinerea (willow), and Ulmus (elm) (1, 2)
Description/
Field Marks:
Forewings with dark reddish-brown markings, including a basal patch and well-defined median fascia (2). Hindwings are grayish brown.
Similar Species: A. xylosteana can be distinguished from other Archips using genitalic characters (2). Male A. xylosteana have a characteristically large, spoon-shaped uncus (narrow in the middle), round valves and a well-defined sacculus with a sclerotized basal projection nearly extending the length of the valve. Female genitalia are characterized by having a very long ductus bursae with a sclerotized band along the length of the ductus bursae. Corpus bursae round with a single sclerotized downward pointing signum.
References
  • (1) Natural History Museum: HOSTS- A Database of the World’s Lepidopteran Hostplants website
  • (2) Gilligan, T.M., and Epstein, M.E. 2012. Tortricids of Agricultural Importance website
Data compiled and contributed by Christi Jaeger, MEM from references cited.

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