Once a prey, now a predator: an unusual record of a scorpion (Scorpiones: Chactidae) predated by a katydid (Orthoptera: Tettigoniidae) in the western Brazilian Amazon

ABSTRACT Orthopterans are an important component of the food chain. The species belonging to the order Orthoptera are herbivores or predators, and several behave as opportunistic predators. However, their predatory habits are not well understood. Here we report the predation of a Chactopsis sp. scorpion by a Hyperomerus sp. katydid in a fragment of terra firme forest in the western Brazilian Amazon. The specimens were found on a 60-cm tall bush. The scorpion showed spasmodic motions of the metasoma while it was being devoured by the katydid. This is the first report of a predator-prey interaction between an orthopteran and a scorpion in the Amazon biome. We believe that records of this type are important to allow a better understanding of predator-prey interactions in tropical invertebrate communities.

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Auteurs principaux: ALMEIDA,Marllus Rafael Negreiros, NASCIMENTO,José Alessandro de França, MACHADO,Ewerton Ortiz, LIRA,André Felipe de Araujo
Format: Digital revista
Langue:English
Publié: Instituto Nacional de Pesquisas da Amazônia 2022
Accès en ligne:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672022000300229
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Résumé:ABSTRACT Orthopterans are an important component of the food chain. The species belonging to the order Orthoptera are herbivores or predators, and several behave as opportunistic predators. However, their predatory habits are not well understood. Here we report the predation of a Chactopsis sp. scorpion by a Hyperomerus sp. katydid in a fragment of terra firme forest in the western Brazilian Amazon. The specimens were found on a 60-cm tall bush. The scorpion showed spasmodic motions of the metasoma while it was being devoured by the katydid. This is the first report of a predator-prey interaction between an orthopteran and a scorpion in the Amazon biome. We believe that records of this type are important to allow a better understanding of predator-prey interactions in tropical invertebrate communities.