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The carnation worm

The carnation worm

Union So Africa Jour Dept Agric 12(3): 225-227

The carnation worm, Epichorista ionephela Meyr., is recorded as injurious in the eastern Cape Province, the Transvaal, and in Natal. Yellowish green eggs are deposited in clusters on upper and lower leaf surfaces. The incubation period ranges from 9 to 12 days. The larva first feeds upon the upper leaf surface but within 3 days begins to burrow into a shoot. Some leaves are bound together and fed upon. Depending upon the weather the larval period varies from 24 to 40 days. Cocoons are found either at the tops of larval burrows or between pulled-together leaves. Powdered arsenate of lead, 1 1/4 pounds to 40 gallons of water, used as a spray once each week during the summer months killed the young larvae. Tobacco extract containing 6-8% nicotine, used at the rate of 1 part by volume to 60 volumes of water (with the addition of 1 pound of good yellow soap as a spreader, to every 20 gallons) as a spray once each week during the summer months, killed the larvae. Both sprays should be applied as fine mists.

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