Lathrolestes nigricollis ( Thomson, 1883 )

Reshchikov, Alexey, 2015, Review of North European species of the genus Lathrolestes (Hymenoptera, Ichneumonidae) with description of one new species from Öland (Sweden), Zootaxa 4033 (1), pp. 1-47 : 28-31

Lathrolestes nigricollis ( Thomson, 1883)

Figs. 92–95 .

Perilissus nigricollis Thomson, 1883: 915 –916 . Holotype ♂, MZLU [examined]. Type locality: Sweden (Skåne). Perilissus minutus Bridgman, 1887: 370 . Holotype ♀, NCMK [examined]. Type locality: UK (Shiere)

Material. 4♀, FINLAND, Åboland, Korpo, Utö, 664:18, 28.viii.–8.ix.1999, leg. O.Blomster & O.Elo, ( ZMUT, Jussila coll.); 1♂, FINLAND, Åboland, Salmis, 670:18, 18–25.vii.1999, leg. V.Sigfridsson, ( ZMUT, Jussila coll.); 1♀, FINLAND, Lappland, Inari, 29.vii.1987, leg. T.Lammens, ( ZMUT, Jussila coll.); 1♀, GERMANY, Northern Germany, ex. Fenusa pusilla , 25.ix.1969, leg. H.Pschorn-Walcher, SMF; 3♀, NORWAY, Akerhus, Ullensaker, Sessvollmoen, Autjernet W, 26.VI–25.VIII.2007, L. O. Hansen, ZMUN; 1♀, 1♂, POLAND, Gdańsk (”Danzig”), leg. Brieschke, ZMUC; 19♂, SWEDEN, Uppland, NHRS; 2♀, SWEDEN, Dalarna, Ludvika, Sörvik, 28.v.1938, leg. E.Wieslander, NHRS; 3♂, SWEDEN, Lappland, NHRS; 1♀, SWEDEN, Västerbotten, Skellefteå kommun, Brännbergets naturreservat, Mixed boreal forest, N64°54.768´E20°29.984´(=TrapID 51), 21.vii–12.viii.2004 (=coll. event ID 1233), leg. SMTP, NHRS; 1♀, SWEDEN, Uppland, Håbo kommun, Biskops-Arnö, northern beach, elm grove, N59°40.328´E17°30.051´(=Trap ID 8), 20.vi–18.vii.2005 (=coll. event ID 1602), leg. SMTP, NHRS; 1♀, SWEDEN, Södermanland, Tyresö kommun, Åva, Spirudden, mixed coastal oak forest, N59°10.313´E18°22.197´(=Trap ID 1), 17.vi–02.vii.2003 (=coll. event ID 79), leg. SMTP, NHRS; 1♀, SWEDEN, Västerbotten, Vindelns kommun, Kulbäckslidens försökspark, 15 yr spruce plantation with blueberry, N64°09.270’ E19°35.591’ (=TrapID 57), 01.ix–22.ix.2003 (=coll. event ID 205), leg. SMTP, NHRS; 1♂, SWEDEN, Södermanland, Tyresö kommun, Åva, Spirudden, mixed coastal oak forest. N59°10.313´E18°22.197´(=Trap ID 1) 28.v–16.vi.2004 (=coll. event ID 316), leg. SMTP, NHRS; 6♀, 5♂, SWEDEN, Uppland, Håbo kommun, Biskops-Arnö, northern beach. elm grove, N59°40.328´E17°30.051´(=Trap ID 8), 19.viii–07.ix.2003 (=coll. event ID 393), leg. SMTP, SMTP; 1♀, SWEDEN, Stockholm Archipelago, Nämdö, 59°12'9.67" N 18°42'14.38" E, sweeping net, 15.ix.2013, leg. Alexey Reshchikov, NHRS.

Additional material. 1♀, 2♂, AUSTRIA, Ottenschlag, Niederösterreich, ex. Fenusa pusilla , 01.ix.1974 – v.1975, leg H.Pschorn-Walcher, SMF; 1♂, AUSTRIA, Rohrbach, Kollerschlag, ex. Fenusa pusilla , 13.vii–ix.1974, leg. H.Pschorn-Walcher, SMF; 1♂, FRANCE, Vosges, ex. Fenusa pusilla , 5.ix.1974, leg. H.Pschorn-Walcher, SMF; 1♀, GERMANY, Baden-Württemberg, Rastatt, ex. Scolioneura betuleti on Betula verrucosa , vi–vii.1964, leg. H.Pschorn-Walcher, SMF; 1♀, GERMANY, Baden-Württemberg, Schwarzwald, ex. Fenusa dohrnii , 11.ix.– 20.x.1969, leg. H. Pschorn-Walcher, SMF; 5♂, GERMANY, Baden-Württemberg, Schwarzwald, ex. Fenusa pusilla , 11.ix.–20.x.1969, leg. H. Pschorn-Walcher, SMF.

Diagnosis. This species differs from other species of the genus by the following character states: 1) clypeus separated from face by a distinct transverse groove, 2) occipital carina complete, 3) tarsus mostly dark, apical tarsal segments slightly enlarged, 4) apical lateral fields of propodeum absent, 5) last visible metasomal tergite not modified, 6) ovipositor straight.

Distribution. Austria, Finland, France, Germany, Ireland, Netherlands, Norway, Russia (Kuril islands, Saint Petersburg), Sweden, Switzerland, UK

Figures

FIGURES 92 – 95. Lathrolestes nigricollis (Thomson, 1883), 92, female face; 93, male face; 94, female habitus laterally; 95, male habitus dorsally.