Dolerus timidus (Klug, 1818), 2022

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 timidus (Klug, 1818) sp. rev.

Figs 13C, D , 14A , 14D , 14E

Tenthredo (Dolerus) timida Klug, 1818: 300. ♀, ♂. Syntypes. Published type locality: “Deutschland” [Germany]. Lectotype designated below.

Tenthredo (Dolerus) dubia Klug, 1818: 299-300. ♀, ♂. Syntypes. Type locality: Germany. Lectotype designated below. Primary homonym of Tenthredo dubia Ström, 1768 [= Tenthredo (Tenthredella) livida Linnaeus, 1758].

Dolerus dubius var. atratus Enslin, 1913: 159. ♂. Syntypes (assumed). Type locality: Switzerland. Lectotype designated below.

Type material examined and taxonomic notes.

Tenthredo (Dolerus) timida Klug, 1818. Lectotype ♂ hereby designated, labelled: “14199” [printed catalog no.], "Var. T. timida Kl. [ Klug’s handwriting]", "GBIF-GISHym 2317", "Zool. Mus. Berlin" [printed], " Lectotypus [printed] ♂ Tenthredo (Dolerus) timida Klug, 1818 [handwritten in block letters] M.Heidemaa design. [printed]" [red], " Dolerus timidus (Klug, 1818) M.Heidemaa det." [printed]. Good condition, penis valve dissected, pinned with the specimen (Fig. 14A ). Paralectotypes: 4♂ 5♀ (GBIF-GISHym: 2312, 2318, 2320-2326). All in ZMHB.

Tenthredo (Dolerus) dubia Klug, 1818. Lectotype ♂ hereby designated, labelled: “14198” [catalog no.], " Dolerus pratensis (L.) ♂ [handwritten] det. F. Koch [printed]", "GBIF-GISHym 2315" [printed], "Zool. Mus. Berlin" [printed], " Lectotypus [printed] ♂ Tenthredo (Dolerus) dubia Klug, 1818 [handwritten in block letters] M.Heidemaa design. [printed]" [red], " Dolerus timidus (Klug, 1818) M.Heidemaa det." [printed], Condition satisfactory, genitalia dissected, penis valves on a slide pinned with the specimen (they fit D. timidus ). Paralectotypes: 1♂, 1♀ ("GBIF-GISHym 2313", “… 2314"). All in ZMHB.

Dolerus dubius var. atratus Enslin, 1913. Lectotype ♂ hereby designated, labelled: “Helvet.[ia]”, “Type” [pink, printed], " Dolerus ♂ Dolerus dubius Dolerus dubius var atratus [handwritten] Dr. Enslin det. [printed]", "Sammlung Dr. Enslin" [printed], "GBIF-GISHym 3102", "LECTOTYPE ♂ Dolerus dubius var. atratus Enslin, 1913 designated M. Heidemaa 2022" [red, printed]. Some damage: left flagellum missing, abdomen glued to a card together with the dissected penis valves and pinned with the specimen. ZSM.

This melanic color form was identified as D. timidus based on its penis valve structure and the sculpture of the metepimeron.

Figures

Figure 13. Dolerus pratensis (Linnaeus, 1758) ♀ (ZMUO. 045279). A. Dorsal habitus; B. Lateral habitus. Dolerus timidus (Klug, 1818) ♀ (ZMUO. 032881); C. Dorsal habitus; D. Lateral habitus.

Figure 14. Dolerus timidus (Klug, 1818), D. variator Enslin, 1927 and D. pratensis (Linnaeus, 1758). A. Penis valve, lectotype Tenthredo timida; B. Penis valve, D. variator; C. Metepimeron (arrow), D. pratensis (ZMUO. 032881); D. Metepimeron (arrow), D. timidus (ZMUO. 029409), mirrored; E. Lancet, D. timidus; F. Lancet, D. pratensis.