#clitarchus

[dendroica]

A Clitarchus hookeri sexual pair. A group of the New Zealand stick insects that migrated to the UK more than seven decades ago have given up having sex and begun reproducing asexually, prompting biologists to wonder about the use of sex at all – especially in Britain

Photograph: Steve Trewick Massey University

(via The week in wildlife – in pictures | Environment | The Guardian)