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Two new species of Achaeta (Enchytraeidae, Oligochaeta) from meadow and pasture soils of Germany
Author(s) -
HECK MICHAEL,
ROMBKE JOERG
Publication year - 1991
Publication title -
zoologica scripta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.204
H-Index - 64
eISSN - 1463-6409
pISSN - 0300-3256
DOI - 10.1111/j.1463-6409.1991.tb00287.x
Subject(s) - enchytraeidae , oligochaeta (plant) , biology , pasture , dorsum , soil water , genus , ecology , anatomy
Two new, closely related species of the genus Ackaeta, A. urbana sp.n. and A. microcosmi sp.n. , (Enchytraeidae, Oligochaeta) from meadow and pasture soils of Berlin and Frankfurt (Germany) are described. Both show the same form and length/width ratio of the seminal funnel and the same general shape of the spermathecal system. They are distinguishable by distributions of epidermal sacs: only dorsal (A. microcosmi) or dorsal and ventral (A. urbana) . Also the origin of the dorsal blood vessel is different.