Some species, however, such as certain members of the suborder Cyphophthalmi, lack eyes or have eyes positioned laterally on the cephalothorax. The lost limb cannot be regenerated, as it can in certain other types of insects, including many species of spiders.ĭaddy longlegs typically have two eyes located on a central knob on the front of the body. The slender legs break off easily and are sometimes sacrificed in a phenomenon known as leg autotomy, which may be used to escape a predator’s grasp. Of the four pairs of walking legs, the second pair may be specially adapted for sensory functions. Some of the longest legs-in excess of 15 cm (5.9 inches)-are found on certain species in the suborders Eupnoi and Laniatores.
The legs are typically several times as long as the body. Its length can range from about 0.6 to 23 mm (0.02 to 0.9 inch), though the bodies of most species are between 3 and 7 mm (0.12 and 0.28 inch). The body of a daddy longlegs is spherical or ovoid in shape. A fifth, extinct suborder, Tetrophthalmi, is indicated by fossil specimens. The order Opiliones contains four extant suborders: Cyphophthalmi, Dyspnoi, Eupnoi, and Laniatores. Got bugs on the brain? A passion for pests? Test how much you know about insects, snakes, and more.
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