bolas spider

noun

Definition of bolas spider

  1. :  any of a genus (Mastophora) of spiders that are classified as orb weavers but capture prey by using a sticky droplet at the end of a silky thread Field studies have indicated that bolas spiders attract male moth prey, apparently by mimicking the odor of female moth sex pheromones. — Mark K. Stowe et al., Science, 22 May 1987

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