Lyon's Pride: (The Tower and the Hive: book 4): a spellbinding epic fantasy from one of the most influential fantasy and SF novelists of her generation - The Tower & Hive Sequence

The survival technique of Hivers was terrifying - and brilliant. Their huge Sphere ships, controlled by the Many Mind of ten to sixteen queens, surged out into space. When an appropriate planet was found, the Hivers destroyed any and every variety of indigenous life, the queens propagated, and when the new world was full, more ships were sent out.