millipede

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millipede

(mĭl`əpēd'), elongated arthropod having many body segments and pairs of legs. Millipedes, sometimes termed thousand-legged worms, have two pairs of legs on each body segment except the first few and the last. Females in one Californian species, Illacme plenipes, typically have more 650 legs, but are only 1.3 in. (33 mm) long; the leggiest ever found (1926) had 750. The millipede body is nearly circular in cross section. Most temperate region millipedes are rather small and dull in appearance, but a few tropical species are brightly colored, and some reach 1 ft (30 cm) in length.

Millipedes do not have a poisonous bite, but many protect themselves by offensive odors produced by stink glands; some produce highly irritating compounds that can injure the skin or eyes of attackers; and some can roll up into a ball or spiral for protection. They are widely distributed in temperate and warmer regions, living in surface litter, under stones or logs, and in relatively humid surroundings. They feed mostly on decaying vegetation, although some will consume decaying animal food. Some species attack plant roots and cause crop damage.

Centipedescentipede,
common name for members of a single class, Chilopoda, of the phylum Arthropoda. Centipedes are the most familiar of the myriapodous arthropods, which consist of five groups of arthropods that had a separate origin from other arthropods.
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, with which millipedes are often confused, are carnivorous, have a single pair of legs on each segment, and a body that is flat in cross section. Millipedes belong to the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Diplopoda.

millipede

[′mil·ə‚pēd]
(invertebrate zoology)
The common name for members of the arthropod class Diplopoda.

millipede

, millepede, milleped
any terrestrial herbivorous arthropod of the class Diplopoda, having a cylindrical body made up of many segments, each of which bears two pairs of walking legs