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Ants occupy huge biomass in the terrestrial ecosystem. Several ant species are highly aggressive and equipped with venomous stingers and/or formic acid. Therefore, ants are abundant but potentially unpalatable prey for some predators. So far, however, the role of ants as prey is not well understood. In this study, we focused anurans (frogs and toads) as one of the major predators of terrestrial arthropods...
1. Expression of sexual weapons is strongly affected by environmental factors in armed insects, resulting in a remarkable morphological difference between larger and smaller males.
2. Morphological differences in weapon between larger and smaller males can promote differences in non‐sexual traits. This is because weapon sizes are often associated with developments of non‐sexual traits such as somatic...