Earwigs

have two compound eyes, while spiders have six to eight simple eyes. ... Earwigs only physically capture prey, possibly even using its physical appendages or developed cerci, called forceps, which look like pincers extending from the abdomen. All spiders have venom, but most are not life threatening to humans.

What animals have cerci?

Cerci (singular cercus) are paired appendages on the rear-most segments of many arthropods, including insects and symphylans. Many forms of cerci serve as sensory organs, but some serve as pinching weapons or as organs of copulation. In many insects, they simply may be functionless vestigial structures.

What insects have cerci abdominal appendages?

structure in insects

Many hexapods have cerci (sensory appendages) on the 11th abdominal segment, which aid in identification of the telson. The Protura, Collembola, and Monura lack cerci. In Diplura a pair of cerci arise from the small terminal segment.