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Species Page - Dioryctria okanaganella
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scientific name    Dioryctria okanaganella    

habitat
Dry, open forest dominated by Pinus ponderosa.

seasonality
Adults fly late June - early July.

identification
Forewings with strongly raised scales in basal, subbasal and medial area, as well as the discocellular spot. Forewings primarily black and white, with extensive red scaling throughout the wing, particularly in the basal and terminal areas. Male genitalia: Uncus constricted at the base. Valve with apical projection well-developed with hooked tip, lacking an accessory spine. Vesica with a large cornutus and many small cornutii. D. ponderosae similar in appearance to D. okanagenella, though with less strongly raised scales and less extensive reddish scaling.

life history
Larvae bore in previous Dioryctria feeding sites in cambium under bark or in twigs. Feeding sites are recognized by fresh pitch tubes on old pitch masses.

conservation
Not of concern.

diet info
Larvae reared from Pinus ponderosa.

range
Southern British Columbia to northern California (Neunzig 2004; Roe unpublished).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=4939



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