Empria basalis Lindqvist, 1968

Prous, Marko, Heidemaa, Mikk & Soon, Villu, 2011, Empria longicornis species group: taxonomic revision with notes on phylogeny and ecology (Hymenoptera, Tenthredinidae), Zootaxa 2756, pp. 1-39 : 22

Empria basalis Lindqvist, 1968

Empria basalis Lindqvist, 1968: 26 –27. Type locality: Kallvik [from label], vicinity of Helsinki ”Umgegend von Helsingfors” [original description]. Holotype Ψ, ZMH [examined].

Host plants. Geum rivale and possibly G. urbanum .

Distribution. West-Palaearctic. The verified country records are: Czech Republic, Denmark, Estonia, Finland, France, Germany, Hungary, Russia (Leningrad Oblast and Ulyanovsk Oblast), Slovakia, Sweden, Ukraine.

Key characters. Posterior margin of pronotum and paired patches on abdominal terga 2–5 or 2–6 unpigmented; tegulae and metatibia in basal 1/3 black or partly unpigmented. Ratio of flagellum length to head breadth in females mostly 1.7–2.0, in males 2.1–2.7, and eye length to head length mostly 1.6–2.2. Number of serrulae 15– 16 (rarely 14 or 17), from which 4–5 basal ones without denticles; triangular in shape ( Fig. 44 ). Valviceps with medium sized lobe, forming a notch between valviceps and valvura ( Fig. 52 ).

Notes. The paratype male (labelled as allotype) was also studied.

Figures

FIGURES 43 – 46. Lancets (valvulae 1) of Empria longicornis group: 43, E. alector; 44, E. basalis; 45, E. tridens (specimen h- 02 a); 46, E. longicornis (specimen h- 22 a).

FIGURES 47 – 52. Penis valves of Empria longicornis group: 47, E. japonica; 48, E. longicornis; 49 – 50, E. tridens; 51, E. alector; 52, E. basalis.