Male redback spiders somersault directly towards a female’s fangs during mating; scientists found the bizarre behaviour may come from surprisingly simple genetics
[ad_1] Breeding scheme to produce backcross males and (b) possible inheritance patterns of self-sacrificial mating traits. Credit: Biology Letters (2026) Male Australian redback spiders perform an acrobatic somersault during mating that sends their abdomen directly toward the female’s fangs. Scientists have now found that this deadly self-sacrifice behavior comes from a surprisingly simple genetic region.In…