ArticleCurrent zoology2019
Sexual differences in weaponry and defensive behavior in a neotropical harvestman.
Article in Current zoology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Chemical Secretion Use Varies Among Species but Lacks a Straightforward Relationship With Other Defenses in Neotropical Opiliones.Ecology and evolution · 2026Article
- Article
- The evolutionary origin of near-death experiences: a systematic investigation.Brain communications · 2021Article
- The Neurology of Death and the Dying Brain: A Pictorial Essay.Frontiers in neurology · 2020Review
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3 authors.
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Abstract
Sexual differences in morphology can evolve by sexual selection and/or natural selection. In some species, only males have morphological structures that are used as weapons. Since some weapons may also be used for defensive purposes, males and females may behave differently towards predators. In some species of harvestmen (Arachnida and Opiliones), males have sharp apophyses ("spines") on their 4th pair of legs whereas females lack them. Those apophyses are used in male-male fights and in antipredatory behaviors. The harvestmen antipredatory repertory also encompasses passive defenses such as thanatosis (death feigning), retaliation (attack on predators), and chemical defense. Due to the sexual differences on weaponry, we hypothesized that males and females of
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