Euura latibasis ( Lindqvist, 1949 )

Prous, Marko, Liston, Andrew, Monckton, Spencer K., Kramp, Katja, Vårdal, Hege, Vikberg, Veli, Heibo, Erik & Mutanen, Marko, 2025, West Palaearctic species of Euura Newman, 1837 (Hymenoptera, Tenthredinidae), European Journal of Taxonomy 977, pp. 1-377 : 102-103

156 Euura latibasis ( Lindqvist, 1949)

Figs 152 , 387

Pteronidea latibasis Lindqvist, 1949: 77–79 .

Diagnosis

Females are from nearly completely pale to mostly black dorsally, and pale ventrally. Externally and based on the lancet, most similar to E. dorsata and E. fuscarima ( E. bipartita group). Lamnium is 1.8–1.9 times as long as radix in E. latibasis (n = 1), but about 2.0–2.4 times as long in E. dorsata (n = 2) and 2.3–2.8 times as long in E. fuscarima (n = 2), but the difference might not hold for E. latibasis and E. dorsata . The middle and apical sutures of the lancet of E. fuscarima might also be more straight than in E. latibasis . Euura seriepunctata and E. serela sp. nov. have also quite a similar lancet, but the serrulae seem to be less protruding and the lamnium is 2.3–2.4 (n = 1) times as long as the radix in E. seriepunctata (the proportions could be similar in E. serela based on one basally damaged lancet).

Type material examined

Holotype Pteronidea latibasis

FINLAND – Varsinais-Suomi • ♀; Pargas (Parainen); 60.305° N, 22.301° E; leg. E. Reuter leg,; MZH, http://id.luomus.fi/GL.3505.

Notes

Best morphological fit: ZMUO.035649.

Host plants

Unknown.

Genetics

COI

Based on 3 specimens, maximum within-species distance is 0.15% and the nearest neighbour, diverging by a minimum of 1.67%, is Euura dorsata .

Nuclear

Based on 2 specimens, maximum within-species distance is 0% (0.02% based on haplotypes of individual females). The nearest neighbour, diverging by a minimum of 0.33%, is Euura lienterica .

Distribution and material examined

Palaearctic. Specimens studied are from Finland.

Figures

Figs 150–153. Lancets of Euura Newman, 1837. 150. tenuiserra (Lindqvist, 1944) PR.569VV. 151. dorsata (Cameron, 1875) PR.571VV.152. latibasis (Lindqvist, 1949) ZMUO.035649.153. pallidior (Hellén, 1970), holotype, ♀ http://id.luomus.fi/GL.2752.

Figs 380–393. Penis valves of Euura Newman, 1837. 380. lichtwardti (Konow, 1903) DEI- GISHym84256. 381. moerens (Förster, 1854) DEI-GISHym84252. 382. obducta (Hartig, 1837) DEI- GISHym84481. 383. fahraei (Thomson, 1863) http://id.luomus.fi/GL.3496. 384. tenuiserra (Lindqvist, 1944) DEI-GISHym80664. 385. dorsata (Cameron, 1875) ZMUO.031338. 386. flavescens (Stephens, 1835) DEI-GISHym84191. 387. latibasis (Lindqvist, 1949) ZMUO.035676. 388. lienterica (Holmgren, 1883) DEI-GISHym88729. 389. pravus (Konow, 1895) ZMUO.031418. 390. reticulata (Holmgren, 1883) DEI-GISHym88880. 391. seriepunctata (Malaise, 1921) ZMUO.035721. 392. squamicauda (Vikberg, 1982) 210004_VMZ. 393. serela Prous & Mutanen sp. nov., paratype ZMUO.028330.