Animal behaviour: Female wētā insects have two sets of genitals and eat male ejaculate

Date:


Female short-tailed ground wētās have two sets of genitals, one to receive sperm and the other to receive extra ejaculate that they eat to survive parenting



Life



7 April 2022

New Scientist Default Image

Wētā insects on a leaf

Darryl Gwynne/University of Toronto

Females of a cricket-like insect found in New Zealand consume male ejaculate after sex to give them enough energy for the following six months of parenting, when they don’t eat. The size of the secondary genitals they use to collect ejaculate may be related to their success in mating.

Short-tailed ground wētās (Hemiandrus pallitarsis) are found on North Island in New Zealand. Darryl Gwynne at the University of Toronto in Canada has spent decades studying the insects after first observing their …



Source link

Share post:

Subscribe

spot_imgspot_img

Popular

More like this
Related

We are finally waking up to the causes of insomnia and how to treat it

Millions of people struggle with insomnia, but the...

AMD Ryzen 7000 CPUs: 6 essential things to know

Ryzen 7000 is more than just AMD’s latest...

Intel’s Arc A310 might be the cheapest graphics card out there

Intel’s Arc graphics cards are finally here, or...