Insecticide straightjackets pests
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CTA. 1994. Insecticide straightjackets pests. Spore 51. CTA, Wageningen, The Netherlands.
Permanent link to cite or share this item: http://hdl.handle.net/10568/49403
External link to download this item: http://collections.infocollections.org/ukedu/en/d/Jcta51e/
American scientists have developed an insecticide that traps caterpillars inside the straight-jacket of their old skin. Within five days they die of desiccation and starvation. The synthetic compound interferes with the caterpillar's normal cycle...
American scientists have developed an insecticide that traps caterpillars inside the straight-jacket of their old skin. Within five days they die of desiccation and starvation. The synthetic compound interferes with the caterpillar's normal cycle of moulting. Caterpillars grow in stages and at the end of each stage-they grow a new, larger skin, and shed the old one. This process is controlled by a hormone called ecdysone. The new compound, called Mimic, is very similar to ecdysone but gives the caterpillar a massive overdose and disrupts normal moulting by forcing the caterpillar into a premature moult. Mounting is complex and requires the careful timing of a number of different events. Mimic disrupts this timing and because the insect cannot complete the moult it gets trapped inside its old skin. Field trials have shown that once on crops, Mimic remains effective for nearly a month. Caterpillars feeding on the treated leaves die within a few days. It has proved effective in controlling caterpillars that attack rice, cotton and fruit crops. Mimic is not toxic to birds, mammals, fish nor to certain other species of insect. Rohm-Hass & Co. Independence Mall West Philadelphia, Pennsylvania 19105, USA
SubjectsCROP PRODUCTION AND PROTECTION;
- CTA Spore (English)