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Species Page - Argyrotaenia franciscana
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scientific name    Argyrotaenia franciscana    

common name     Orange Tortrix

habitat
In Alberta restricted to greenhouses, in more southern areas in nearly any habitat, often abundant in citrus orchards.

seasonality
Adults can be found at any time of year.

identification
A variable species that can be difficult to identify (Landry, et al. 1999). The forewing is yellowish brown to light grey with variably expressed darker grey or brown markings. When the markings are visible they typically consist of a basal patch and broad median band that both slant towards the anal angle and there is a triangular spot on the costa in the postmedian area. The hindwing and abdomen are dull greyish white and the thorax and head are concolorous with the forewing. The larva has a brown head with black lateral stripes while the body is pale yellowish brown to green with some darker stripes and pale pinacula (Duncan 2006).

life history
In Alberta this is strictly a greenhouse pest where it can complete several generations a year.

conservation
Of no concern, a serious pest in some places.

diet info
Polyphagous on coniferous and deciduous trees and many herbaceous plants (Duncan 2006), a serious pest of citrus trees in California and in greenhouses in British Columbia (MacKay 1962).

range
Found outdoors from California to Arizona and British Columbia, also a pest in greenhouses in Alberta and Manitoba.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=24844



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References (3)
Related Links
Moth Photographers Group

 

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