Dolerus subarcticus Hellen , 1956

Liston, Andrew, Mutanen, Marko, Heidemaa, Mikk, Blank, Stephan M., Kiljunen, Niina, Taeger, Andreas, Viitasaari, Matti, Vikberg, Veli, Wutke, Saskia & Prous, Marko, 2022, Taxonomy and nomenclature of some Fennoscandian Sawflies, with descriptions of two new species (Hymenoptera, Symphyta), Deutsche Entomologische Zeitschrift 69 (2), pp. 151-218 : 151

Dolerus subarcticus Hellen, 1956

Fig. 20D

Dolerus subarcticus Hellén, 1956: 99-100. ♀, ♂. Syntypes. Published type locality: 16 localities in Finnish Lapland, Russian Karelia and Kola Peninsula, and one locality in Siberia (Krasnojarsk oblast, Jenisseisk). Lectotype designated below.

Dolerus willoughbyi Benson, 1956: 55-58. ♀, ♂. Holotype. Type locality: Abisko (Sweden).

Type material examined and taxonomic notes.

Dolerus subarcticus Hellén, 1956. Lectotype ♀ hereby designated, labelled (printed on pale paper if not stated otherwise): "Fennia, Li. Utsjoki, Outakoski, 29.6.1947 [type locality], leg. Hellén” [printed], " Lectotypus 2014, Dolerus subarcticus , ♀ Hellén, 1956, M.Heidemaa design." [red], " Dolerus subarcticus Hellén, 1956, M.Heidemaa det." [white]. In good condition. 10♀, 8♂ paralectotypes also examined: Ivalo, Kantalaks, Kilpisjärvi, Lutto, Muonio, Paanajärvi, Petsamo, Umba, Utsjoki (Outakoski). All in MZH.

Dolerus willoughbyi Benson, 1956. 2♀, 2♂ paratypes studied. BMNH.

The melanic (black) form (♂) and a nearly black form, with obscure reddish patches on abdominal terga 2-4 (♀), are known from Norway (near Hovet and near Geitryggtunnelen, leg. E. Heibo, CEH), and the melanic form also from Kamtschatka, Russia (a syntype female of D. pratensis var. totus determined by R. Malaise, in NHRS, see also under D. yukonensis ).

Figures

Figure 20. Dolerus incisus Goulet, 1986. A. Dorsal habitus ♀; B. Valvula 3 dorsal; C. Penis valve; D. Dolerus subarcticus Hellen, 1956, penis valve.