From their mouths they can extend a bony proboscis , which they stab into their prey to suck them dry .
The females look like scrawny human women , with huge paddle - like wings with which they fly after their prey .
From females ' mouths females can extend a bony proboscis , which they stab into prey prey to suck them dry .
The females look like scrawny human women , with huge paddle - like wings with which they fly after their prey .