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Less cold hardy than the
warehouse moth, this species may not overwinter in temperate
climates, and is often found after being introduced in incoming
stock. In other respects, similar to E. elutella.
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Possibly the most
commonly occurring of storage moth pest species globally.
This species is frequently found in food storage situations where
it may contaminate foodstuffs with frass, webbing or silk.
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In warmer climates,
where this species is able to breed, emergence starts in the
spring and continues to autumn. Females may lay several
hundred eggs over several weeks. Larvae pass through 5 or 6
moults after hatch, and may be detected by the presence of larval
silk in and around the infested commodity. When pupation
draws near, hey generally migrate away from the foodstuff, and
climb walls in search of crevices in which to pupate. |
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As in all food storage
situations, the quarantine of incoming goods is recommended as a
means of prevention of infestation. Where necessary and
permitted, use of residual insecticides to resting places, and
space spraying timed to coincide with adult emergence have been
proven as effective means of control. Population monitoring
with pheromone traps can allow good targeting of treatment. |
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