|scientific name Dioryctria rossi |
Dry open forest dominated by various pine species, including Ponderosa, Arizona and Durango pine.
Adults emerge in July - early August.
Wingspan: 11.0-14.5. Lacking raised scales. Forewing primarily orange, but lacking distinct discocellular spot and antemedial line. Large white cubital streak extending from base of wing to discal area also present. Male genitalia: Uncus not constricted. Valve broadly rounded, lacking both apical projection and accessory spine. Vesica with many small cornutii, lacking a large cornutus. Female genitalia: Ductus bursa weakly sclerotized. Corpus bursa with many small, weak spines. Similar in coloration to D. aurenticella though lacking discocellular spot and antemedial line.
Larvae bore in cones of host and feeding sites are recognized by accumulation of webbing and frass around entrance site.
Not of concern
Larvae recorded on Ponderosa pine, Arizona pine and Durango pine (Pinus ponderosa, P. arizonica and P. durangensis )(Mutuura and Munroe 1972; Neunzig 2004).
Found throughout western North America, extending from southern British Columbia to northern Mexico and east to New Mexico.
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