Diplopoda


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to Diplopoda: class Chilopoda, Chilopoda

Diplopoda

[də′plä·pə·də]
(invertebrate zoology)
The millipeds, a class of terrestrial tracheate, oviparous arthropods; each body segment except the first few bears two pairs of walking legs.

Diplopoda

 

a class of subphylum Tracheata, phylum Ar-thropoda. (According to an earlier system, Diplopoda was considered a subclass of class Myriopoda.)

The bodies of Diplopoda consist of a head and a more or less uniformly segmented trunk, most of whose segments bear two pairs of legs (whence the name), since each segment of the trunk is formed by the merging of two embryonic segments. Along the sides of the trunk segments in the majority of Diplopoda there are openings of defensive toxic glands, which secrete a pungent fluid that sometimes contains hydrocyanic acid. On the head there is a single pair of short unbranched antennae and two pairs of weak jaws. There are simple eyes or groups of simple eyes along the sides of the head. There are approximately 7,500 species, of which about 200 are found in the USSR. Diplopoda are terrestrial, but they require high humidity in the air and therefore inhabit the forest floor, the soil, rotten wood, fissures in rocks, and other shelters where the relative atmospheric humidity is approximately 100 percent. The respiratory organs are tracheas. The excretory organs include a pair of Malpighian tubules and the walls of the intestinal tract. Diplopoda feed on decaying plant remains; more rarely, they eat the succulent tissues of living plants. Diplopoda are beneficial, since they promote the mineralization and humification of the dead parts of plants and the formation of soils. Some Diplopoda (for example, the millipedes) sometimes cause damage in hothouses, vegetable gardens, and berry fields, where they may easily be destroyed by insecticides.

REFERENCES

Zhizn’ zhivotnykh, vol. 3. Edited by L. A.Zenkevich. Moscow, 1969.
Lokshina, I. E. Opredelite V dvuparnonogikh mnogonozhek Diplopoda ravninnoi chasti Evropeiskoi territorii SSSR. Moscow, 1969.

M. S. GILIAROV

References in periodicals archive ?
001 Treatments (months after EFB application): Layer Control 1 3 Ants A0 1178 3837 7965 A1 714 238 967 Earthworms A0 227ab 135ab 0a A1 142 0 70 Coleoptera A0 297ab 3302c 2526bc A1 79 94 101 Diplopoda A0 48ab 0a 0a A1 0 0 0 Dermaptera A0 129 518 144 A1 21 83 68 Total density A0 2126a 10832bc 15627c A1 1241 532 1406 Total biomass A0 11.
Taxa Feeding Number of Number of Life Guild individuals bromeliads cycle with taxa stage Mollusca Gastropoda, Bulimulidae Hb 3 3 A Gastropoda, Subulinidae Hb 1 1 A Annellida Oligochaeta Dt 48 20 A+I Chelicerata Aranae, Lycosidae Pr 13 8 A Aranae, Argiopidae, Argiope argentat Pr 1 1 A Aranae, Theraphosidae, Pachistopelma rufonigrum Pr 14 13 A Aranae, Salticidae Pr 6 5 A+I Aranae, Theraphosidae sp 2 Pr 2 2 A Pseudoscorpiones Pr 1 1 A Scorpiones, Bothriuridae, Bothriurus asper Pr 1 1 A Scorpiones, Buthidae Tityus neglectus Pr 4 4 A Myriapoda Chilopoda, Scolopendridae Pr 8 7 A Diplopoda , Spirobolida Pr 25 15 A+I Hexapoda, Insecta Blattariae, Blattidae sp.
Annelida 1 Arachnida 23 Chilopoda 2 Crustacea 2 Diplopoda 2 Insecta 33 Molusca 1 Table 3.
Entre os sistemas cultivados, representantes dos grupos de predadores (Arachnida e Chilopoda) e Diplopoda foram mais abundantes no sistema integrado (SI-P e SI-L) e pastagem continua em comparacao ao sistema convencional.
The genus Cyclospora was formed by Schneider in 1881 for organisms recovered from myriapods (terrestrial arthropods in the subphylum Mandibulata, Class Diplopoda [millipedes] and Class Chilopoda [centipedes]).
sebiferum and mixed woodland, but not in coastal prairie, whereas Thysanoptera occurred only in coastal prairie and Diplopoda occurred only in S.