Science you could do yourself: Wasp borrows ladybug for food and security.

This wasp lays one egg in the ladybug's abdomen where it is fed.
The larva emerges without killing the ladybug,
and while tied between the ladybug's legs
weaves a cocoon to protect its next life stage.
The ladybug often survives.

                                  Original observations reported in Science Daily News.

                                                You could have done this yourself.