When the wasp larva hatches, it hijacks the spider’s behavior — maybe through a bite that delivers a chemical cocktail ...

A Syntretus perlmani wasp larva bursts from a fruit fly’s abdomen. “All known parasitoid wasps of flies attack and develop inside immature life stages,” study co-author and Mississippi State ...

We can’t think of anyone that likes cockroaches, but one insect in particular seems to scout them out specifically for its own bizarre reasons. The emerald cockroach wasp, also sometimes called the ...

Setting off a startling chain of events, a parasitoid wasp can force a spider to weave a special web to suspend the wasp pupa just before it finishes killing its spider host. William Eberhard, staff ...

When parasitic wasps come calling, some caterpillars have a surprising ally: a viral infection. Insects called parasitoid wasps lay their eggs inside young moth larvae, turning the caterpillars into ...

One wasp larva biting another. (Photo courtesy of Yui ImasakiI and Tomoji Endo) (CN) — Cain and Abel. Mary Queen of Scots and Elizabeth. Liam and Noel Gallagher. Sibling rivalries are as old as ...

It's summer in the northern hemisphere and that means sun, sea—and wasps. This is a worker wasp. She is looking for food to feed to her sibling larvae in her mother's papery looking nest. Is she ...

A young boy's observation revealed a surprising partnership: tiny wasps trick ants into transporting their galls, which ...

Some wasp larvae take sibling rivalry to a new level by routinely cannibalising their nestmates. Most wasp and bee larvae grow in individual brood cells within a hive. But solitary wasps like ...