TIL that male Philoponella prominens spiders

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TIL that male Philoponella prominens spiders catapult themselves away from females immediately after mating at speeds of up to 88.2 cm per second; males prevented from escaping were killed and eaten.
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Male spiders avoid sexual cannibalism with a catapult mechanism

Zhang et al. report in the communal spider Philoponella prominens that males perform catapult action immediately after mating to dodge females’ sexual cannibalism. Males achieve their superfast action by extending the tibia–metatarsus joint of their first...

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TIL that male Philoponella prominens spiders catapult…

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