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1. EARTHWORMS IN AGRICULTURAL LANDS<br />

In Latvia has been found 8 earthworm genera with 13 species and one subspecies<br />

(Ventiņš et al., 2009):<br />

Allolobophora Eisen 1974 (sensu Perel, 1976)<br />

A.chlorotica chlorotica (Savigny, 1826)<br />

Aporrectodea Orley (sensu Perel, 1976)<br />

A.caliginosa caliginosa (Savigny, 1826)<br />

A.longa longa (Ude, 1885)<br />

A.rosea rosea (Savigny, 1826)<br />

A.limicola (Michaelsen, 1890)<br />

Dendrobaena Eisen, 1874<br />

D.octaedra Eisen, 1974<br />

Dendrodrillus Omodeo, 1956 (sensu Perel, 1976)<br />

D.rubidus subrubicundus (Eisen, 1874)<br />

D.rubidus tenuis (Eisen, 1874)<br />

Eisenia Malm, 1877 (sensu Perel, 1974)<br />

E.foetida (Savigny, 1826)<br />

Eiseniella Michaelsen, 1900<br />

E.tetraedra tetraedra (Savigny, 1826)<br />

Lumbricus Linnaeus, 1758<br />

L.terrestris Linnaeus, 1978<br />

L.castaneus (Savigny, 1826)<br />

L.rubellus rubellus Hoffmeister, 1843<br />

Octolasion Orley, 1885<br />

O.lacteum (Orley, 1885)<br />

The first regular researches of earthworm fauna in Latvia were initiated by V.<br />

Eglitis (Эглитис, 1954) in 1946. In agricultural lands were found 10 earthworm<br />

species, the most routinely found was Aporrectodea caliginosa. This species have<br />

been found as far as 50 cm deep in the soils with acidicity pH 3.6- 7.8. It is one of the<br />

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