A family-oriented bioblitz in the middle of Deptford was never destined to find many great rarities, but it did turn up some memorably disgusting behaviour.
I don’t think enough is made of cannibalism. It’s one of those taboo subjects best avoided by serious natural history documentaries. But it makes a great spectator sport, especially for children.
So when two harlequin ladybird larvae turned on each other I knew my audience was hooked. Despite squeamish grimaces, they kept coming back, just to see how much oozing of body fluids was going on, and to double check the mandible action of the victor.