A case of teratology in weevil Sitona macularius (Marsham, 1802) (Coleoptera, Curculionidae)

Teratology in Curculionidae was discussed by few authors (Cmoluch, 1964, 1973, 1985; Chadwick & Brunet, 1985; Hawkeswood, 1991; Nazarenko, 2006, 2014). One specimen of Sitona macularius with multiplication of a left mid tarsus was found and this anomaly is described and illustrated in present paper. This specimen is kept in the collection of the Zoological Museum of Ural Federal University. Morphological terms used in this paper follow to Thompson (1992); the terminology of abnormalities follows to Prisny (2009). The tarsal segments were photographed using a scanning electron microscope Tescan Vega 3, which is located at the Institute of Plant and Animal Ecology UB RAS. This study was supported by Act 211 Government of the Russian Federation, contract No 02.A03.21.0006.