Subgenera and Palaearctic species groups of the genus Pontania, with notes on the taxonomy of some European species of the vitninalis-group (Hymenoptera: Tenthredinidae)

A.G. Zinovjev

Abstract. The genus Pontania O. Costa is subdivided into three subgenera: Phyllocolpa Benson, Pontania s. str., and Eupontania Zinovjev. A key to subgenera and Palaearctic species groups is given. New synonymy: P. (E.) aestiva (Thomson, 1862), sp. dist. = P. (E.) norvegica Kopelke, 1991, syn. n. = ? P. (E.) varia Kopelke, 1991. This species causes galls on Salix myrsinifolia (= nigricans, borelias) in Northern and probably also in Central Europe. Sawflies from Scotland and northern England are considired as a subspecies, P. (E.) aestiva harrisoni Benson, 1940, stat. n. Probably, some of its populations were adapted to the subsidiary host plant – Salix purpurea x S. viminalis and S. purpurea.

Zoosystematica Rossica, 1993, 2(1): 145–154 ▪ Published in print 6 October 1993

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