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Two-headed butterfly vs. mantis: do false antennae matter?

Tania G López-Palafox1, Carlos R Cordero2

  • 1Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad de México, México.

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Summary

Butterfly hindwing tails did not deter mantis attacks, but other "false head" features likely aid survival against predators. This research explores butterfly anti-predator adaptations.

Keywords:
Anti-predator adaptationCallophrys xamiDeceiving behaviourLepidopteraLycaenidaeStagmomantis limbataWing morphology

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Area of Science:

  • Evolutionary Biology
  • Animal Behavior
  • Entomology

Background:

  • Many butterfly species exhibit a
  • false head
  • ,
  • on their hindwings, hypothesized to deflect predator attacks.
  • The specific role of hindwing tails in this deception is not fully understood.

Purpose of the Study:

  • To investigate the function of hindwing tails in predator deception in the butterfly Callophrys xami.
  • To determine if hindwing tails are crucial for deterring attacks from praying mantises.

Main Methods:

  • Butterflies (Callophrys xami) were tested against praying mantises (Stagmomantis limbata).
  • Two groups were used: one with intact wings and one with hindwing tails experimentally removed.
  • Attack frequency and escape success rates were recorded.

Main Results:

  • No significant difference in the number of butterflies attacked or escaping predation was observed between groups.
  • Behavioral observations suggested other components of the
  • false head
  • ,
  • contribute to predator evasion.

Conclusions:

  • Hindwing tails alone may not be the primary component of the
  • false head
  • ,
  • in predator deception for Callophrys xami.
  • The
  • false head
  • ,
  • as a whole likely represents a complex adaptation against predators, with multiple elements contributing to survival.