A case of teratology in weevil Sitona macularius (Marsham, 1802) (Coleoptera, Curculionidae) Author Sapronov, V. V. text Far Eastern Entomologist 2017 2017-09-22 342 342 43 44 http://dx.doi.org/10.25221/fee.342.2 journal article 160892 10.25221/fee.342.2 1588f966-8320-41d2-aa10-60f38f6dbfb8 2713-2196 7163507 C394BDC4-253C-49BA-9BC5-B528AE97C1B6 Sitona macularius (Marsham, 1802) MATERIAL EXAMINED. Russia : Sverdlovskaya oblast , Kamensk District , Okulovo village , 56°10'N , 61°57'E , 112 m , 2.VII 2011 , 1 ♀ . DESCRIPTION OF ABNORMALITY. The female has two equivalently developed fully formed tarsi on the distal part of the left mid tibia. The basal segment of each tarsus is located in separate, contiguous true corbel at apex of tibia ( Figs 1, 2 ). The distal part of the tibia with the malformation extended in comparison with the top of the normally developed tibia. The tarsi do not differ in their size and shape from the normal form. The segments of tarsi and claws are developed like on the right mid leg. All tarsomeres are covered with hair. 43