Journal of the Department of Agriculture, Western Australia, Series 3


Insect pests, Potato moth, Gnorimoschema operculella Zell.

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THE potato moth, Gnorimoschema operculella Zell., is almost world-wide in its distribution and can cause considerable damage to both potato crops and stored potatoes. The adult insect is a small inconspicuous, grey moth. The caterpillars cause the damage and they are, when fully grown, about half an inch long and pale greenish white in colour. They eat into the leaf and feed between the leaf surfaces and even work down the leaf stalks into the stems. Tubers may be damaged in the ground by caterpillars entering through cracks in the soil.

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