Prey capture by the crab spider Misumena calycina (Araneae: Thomisidae)

@article{Morse2004PreyCB,
  title={Prey capture by the crab spider Misumena calycina (Araneae: Thomisidae)},
  author={Douglass H. Morse},
  journal={Oecologia},
  year={2004},
  volume={39},
  pages={309-319}
}
SummaryCrab spiders Misumena calycina (L.) in pasture rose Rosa carolina flowers regularly attacked bumble bees, smaller bees, and syrphid flies that visited these flowers. Attacks reached a maximum rate of over 20/h during mid morning, but only 1.6% of the most important prey item, bumble bees, were captured. The next most important food source, the most frequently taken item, syrphid flies Toxomerus marginatus (Say), were captured in 39% of the attempts. Since these flies have a biomass only… 
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