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Species Page - Dioryctria westerlandi
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scientific name    Dioryctria westerlandi    

Dry open woodlands dominated by Pinus, juniper and grasses.

Adults fly July-October, though the majority of specimens collected in September.

Wingspan: 13.5-18.5 mm. Forewing with raised scales. Coloration primarily pale, though transverse bands and reddish patches strongly contrasting. Large reddish patch in basal area and dense red scaling after postmedial band. Male genitalia: Uncus constricted and expanded laterally. Valve with prominent hooked apical projection and accessory spine. Vesica with large cornutus and many smaller cornutii. Female genitalia: Ductus bursa elongate, with posterior region narrow and widening anteriorly. Fine longitudinal wrinkles restricted to posterior region of bursa. Similar to D. fordi, though has much more extensive reddish scaling in basal area and after postmedial line.

life history


diet info
Lacking larval host records, though Jeffrey pine (Pinus jeffreyi) may be possible host (Neunzig 2004)

Recorded from southeastern California, though range may extend into Nevada.

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