Sigara albiventris (Horváth) does not occur in Daghestan and Azerbaijan (Heteroptera: Corixidae)
E.V. Kanyukova
Abstract. Records of Sigara albiventris (Horváth) from Daghestan refer to S. striata (Linnaeus) and those from Azerbaijan to populations intermediate between S. striata and S. albiventris.
Zoosystematica Rossica, 1994, 3(2): 234 ▪ Published in print 1 August 1995

References
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Jaczewski, T. 1934. Notes on some Palaearctic aquatic and semiaquatic Heteroptera, chiefly from South-Eastern Europe. Ann. Mus. zool. polon., 10: 267-288.
Jansson, A. 1986. The Corixidae (Heteroptera) of Europe and some adjacent regions. Acta entomol. fenn., 47:1-94.
Poisson, R. 1939. Notes biogéographiques. Sur quelques Corixidae du Caucase [Hem. Heteroptera]. Bull. Soc. entomol. Fr., 44: 22-24.