Neoneurus auctus (Thomson, 1895)

Gomez Duran, Jose-Maria & van Achterberg, Cornelis, 2011, Oviposition behaviour of four ant parasitoids (Hymenoptera, Braconidae, Euphorinae, Neoneurini and Ichneumonidae, Hybrizontinae), with the description of three new European species, ZooKeys 125, pp. 59-106 : 77

Neoneurus auctus (Thomson, 1895) Figs 44-48

Synonyms.

Neoneurus halidaii Marshall, 1897 (examined); Euphorus bistigmaticus Morley, 1909 (synonymised by Shaw (1992)).

Material.

(all RMNH unless otherwise indicated) Austria (Aschbach, 1400 m; Bach, Lechtal, 1200 m), Bulgaria (Rogen; h. Teneran; Batak; Smoljanski esera; h. Erqupria; Jemkovo; m. Nektenica; Gababovo (all Rhodopi)), England (RMS: Midhurst Common, W. Sussex, hovering above and swooping down on Formica rufa L., with short abdominal contact observed; Ascot, Berkshire), Finland ( Enontekiö, Lappland; Kangaslampi (RMS); Sb, Savonranta, Muhamäki, in window trap on dead aspen (Museum Helsinki), France ( Pèzénar), Germany (Ottmaring, Bayern), Netherlands (Otterlo, with Formica nigricans Emery, 1909 (= Formica pratensis Retzius, 1783); 't Harde; Naarden; Oostkapelle, Oranjezon), Norway (Bvardalen, flying over Formica aquilonia Yarrow; Sandfjellet, Bergen, id.; Lom, Lia, Oppland), Scotland (RMS: Morrone Birkwood, Aberdeenshire), Sweden (Romelson, Västerbotten (RMS)), Ukraine (Kanev). Mainly collected in May to early August, one specimen from Bulgaria was collected at the end of August. France and Netherlands are new records.

Notes.

One male from Bulgaria (RMNH: H. Ruen, Rhodopi Mts, 29.vii.1969, A. Germanov) belongs to a related species; it has the fore tarsus 1.5 times as long as fore tibia, the fore tibial spur with rather long setae and straight and the vertex granulate.