Young cupboard spiders sometimes turn cannibal and eat their siblings

Baby cabinet spiders that may’t discover sufficient meals typically resort to devouring their siblings, a examine has discovered.

Cannibalism has been noticed in a number of spider species, however it usually includes grownup females consuming males throughout or after intercourse. In one species, the black lace-weaver, moms permit themselves to be consumed by their very own offspring within the final sacrifice.

Now, Jeffrey Harvey on the Netherlands Institute of Ecology and his colleagues have found {that a} widespread species referred to as Steatoda grossa …