Mirabdullayev, I.M. & D. Defaye. (2022). A redescription of Microcyclops varicans (G.O. Sars, 1863) (Crustacea: Copepoda: Cyclopidae). Invertebrate Zoology. 19(3): 305–311.

443271

Mirabdullayev, I.M. & D. Defaye

2022

19(3): 305–311

Publication

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Female of Microcyclops varicans, the type species of the genus Microcyclops Claus, 1893 is redescribed and information on the male morphology is given. It is mainly characterized by: ornamentation of the anal somite (posterior margin bearing a row of spinules of different size); by its caudal rami 3.5 times as long as wide, and heteronomous setation of the inner and outer median terminal caudal setae; by the endopodite 2 of P4 2.3 times longer than wide with thick apical spines; by the absence of spinules at the insertions of Te and Me; by the shape of the P5 (cylindrical); by presence of 9 setae on the third segment of A2. Confirmed records of M. varicans are from Norway, Sweden, The Netherlands, England, Germany, Italy, northwestern Russia, and Ukraine. It is probably that M. varicans inhabits waterbodies in North Asia.

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