The Aphidius matricariae wasp of the Ichneumon family was widely used to get rid of plant lice in greenhouse agriculture up to fifteen years ago. Since then, it has given way to its American cousin, ...
18 June 1947: If there were more ichneumon wasps about there might be fewer of the elusive clothes-eating creatures in the house Kent If there is a creature that flies more elusive than the clothes ...
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