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The social insect soldier is perhaps the most widely known caste, because it often exhibits spectacular weapons, such as highly enlarged jaws or reinforced appendages, which are used to defend the colony against enemies ranging in size from wasps to anteaters. We examined the function of the enlarged forelimbs of soldiers (both male and female) of the(More)
Within the gall-inducing thrips of Australia, genus Kladothrips, is a single origin of a soldier caste. A subsequent radiation has led to at least seven social species, and two species that are likely to have independently lost the soldier caste. Both losses of soldiers are connected to a shift in the insects’ host plant. A third inferred host shift is(More)
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