Long genital spines on male wasps can save their lives
A male’s rear spikes prove vital when it’s wasp vs. tree frog
![photo of a black and yellow Anterhynchium mason wasp and a green tree frog on a white background](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/12/121522_sm_wasp-rear-spikes_feat_rev.jpg?fit=1030%2C580&ssl=1)
The genital spikes of this Anterhynchium mason wasp give him a fighting chance of survival if a dangerous tree frog attacks.
Shinji Sugiura