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Abstract
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In this study, earthworms were collected from the wetlands of Sistan at 17 stations. The following nine species were identified: Aporrectodea caliginosa (Savigny, 1826), Ap. jassyensis (Michaelsen, 1891), Ap. longa (Ude, 1885), Ap. rosea (Savigny, 1826), Ap. trapezoides (Dugès, 1828), Bimastos parvus (Eisen, 1874), Eisenia andrei/fetida complex, E. omranii Latif, Malek and Csuzdi, 2017, and Eiseniella tetraedra (Savigny, 1826). All species comprise a new record for the east of Iran. The most frequent species were Ap. rosea and Ap. caliginosa; and the rarest one was E. andrei/fetida. Length and total earthworm segments of each species were compared between specimens of Sistan and previous known values from Elburz (north of Iran) and/or Zagros (west of Iran) regions.
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