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Pest
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Comments
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Description
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Moths
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Serious pests to Almonds in California |
| Size mm: 14-20 |
| Color: Gray |
| Favorite Food: Dried fruit, grain |
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Adultflies to field in spring and lays eggs in developing grain. Worst in South.
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| Size mm: 14-20 |
| Color: Gray |
| Favorite Food: Dried fruit, grain |
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Mottled wing pattern differs from Angoumois. Largely field infestation.
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| Size mm: 14-20 |
| Color: Gray |
| Favorite Food: Grain |
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Very common in processed cereals. Larvae leave webbing on surface of feeding area |
| Size mm: 16 |
| Color: Red & Gray |
| Favorite Food: Broken or processed grain |
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May attack sound grain but found with spoiled material usually. |
| Size mm: 25 |
| Color: Brown |
Favorite Food: Spoiled cereal products.
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Larvae webbing can clog equipment. |
| Size mm: 25+ |
| Color: Gray |
Favorite Food: Flour and processed cereal grain.
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Larvae construct silken tubes while feeding and attach grain kernals. |
Size mm: 13-24
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Color: Tawny
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| Favorite Food: Rice, cocoa, dried fruit, seeds |
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| Beetles, Borers, and Weevils |
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Larvae live in cracks in the floor and similar. |
| Size mm: 3-5 |
| Color: Black |
| Favorite Food: Adult: Pollen. Larvae: cereal, animal products. |
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May live a year or more. Larvae 18mm largest of stored product insects. |
| Size mm: 8 |
| Color: Brown |
Favorite Food: Germ of grain, flour.
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Can fly into plant. |
| Size mm: 2-3 |
| Color: Brown |
Favorite Food: Tobacco, spice.
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Most common insect in flour mills. |
| Size mm: 3-5 |
| Color: Brown |
Favorite Food: Flour, meal, broken grain.
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Similar to cigarette but wing covers have longitudinal lines. |
| Size mm: 2-3 |
| Color: Brown |
Favorite Food: Anything.
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Very small but has long antennae. There are several similar insects, |
| Size mm: 1.5 |
| Color: Brown |
Favorite Food: Moldy grain.
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Head turned under body cylindrical. |
| Size mm: 3 |
| Color: Brown |
Favorite Food: Whole grain.
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Has only 4 tarsal segments. Ground beetles have 5. |
| Size mm: 12 |
| Color: Black |
Favorite Food: Moldy grain.
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Confused with Sawtooth. |
| Size mm: 3 |
| Color: Brown |
Favorite Food: Flour, meal, oilseeds.
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Good flier may be found in field. |
| Size mm: 3.5 |
| Color: Brown |
Favorite Food: Flour, meal, broken grain.
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Larvae can enter package through very small hole. |
| Size mm: 2-3 |
| Color: Brown |
Favorite Food: Flour, meal.
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Resembles spiders but are 6-legged. Found in basements and similar. |
| Size mm: 2-4 |
| Color: Varies |
Favorite Food: Moldy grain, rodent fecies.
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Will feed on dead insects. |
Size mm: 3
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| Color: Varies |
Favorite Food: Cereal, meat.
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Field infestation in South before grain is hard. |
Size mm: 3
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| Color: Brown |
Favorite Food: Soft seeds.
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Larvae develop in grain. |
Size mm: 3-5
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| Color: Brown |
Favorite Food: Whole grain.
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Found in whole grain. |
Size mm: 2-3
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| Color: Brown |
Favorite Food: Whole grain.
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