Bug behaviour expert Leilani Walker answers questions about sexual cannabilism, why males bugs fight and why bigger isn't always better when it comes to winning a mate.
Leilani Walker is a doctoral student at the School of Biological Sciences, University of Auckland, where she researches bug and spider behaviour.
Q: When a male spider enters a female's web, how does he stop her from immediately eating him?
A: He drums on the web in a specific way to let her know that he's of the same species.
Q: Why do male mantises and moths have such large antennae?
A: To help them find females in the dark.
Q: According to the Endangered species foundation, what are two of our most endangered New Zealand species after the Maui's dolphin?
A: The Canterbury knobbled weevil and the Mokohinau stag beetle.