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Species Page - Dioryctria pseudotsugella
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scientific name    Dioryctria pseudotsugella    

habitat
Common, found in various coniferous forest types throughout range.

seasonality
Adult fly late July - early August

identification
Wingspan: 10.0-11.0 mm. Lacking raised scales. Forewing primarily brown with contrasting white dentate bands and discocellular spot. Morphologically similar to Dioryctria reniculelloides. Minor variations in transverse band dentation and coloration have been used to separate the species (Mutuura and Munroe 1973; Neunzig 2004), though intermediate specimens are present in regions of overlap. Larval host records are also used for identification though host overlap also occurs. Accurate separation of D.pseudotsugella and D. reniculelloides specimens is difficult (Sopow et al. 1996).

life history
Larvae feed on cones and cambium of hosts. Feeding also observed on needles of host plants (Prentice 1965)

conservation
Common. Not of concern.

diet info
Primary host is Douglas fir (Pseudotsuga menziesii), though larvae also found on spruce, fir and hemlock species (Picea, Abies and Tsuga spp) (Mutuura and Munroe 1973).

range
Southern British Columbia and Alberta, and south to New Mexico.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4934



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References (1)
Specimen Info
There are 2 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (2)
Related Links
Moth Photographers Group

 

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