Harvestmen pl. : of Harvestman

Example:
What kind of spiders attacks and eats Harvestmen, and are they poisonous?

Taxonomy
species, harvestmen, Sørensen, harvestman, Eupnoi, Dyspnoi, legs, Rocha, order Opiliones, Briggs, Baltic amber, fossils, arachnids, Shear, Laniatores, cave, Kury, Ubick.

Defination from the web:
Harvestmen are eight-legged invertebrate animals belonging to the order Opiliones (formerly Phalangida) in the class Arachnida, in the subphylum ... Harvestmen do not have silk glands and do not possess venom glands, posing absolutely no danger to humans (see below) ...