Nematus. 245 



nigricornis Lep.i) — Q S O — Eur. bor. & centr.; As. bor. 



Nematus nigricoruis Lepeletier, Monogr. Tenthred. 1823 p. 63 n. 186, Q i^. 



Nematus nigricornis Lepeletier, Faune Franc. 1830 p. 65 n. 8, $ (J. 



Nematus Zetterstedtii Dahlbom, Conspect. Tenthred. Scandin. 1835 p. 7 n. 51 [s. descr.]. 



Nematus nigricoruis Stephens, IUustr. Brit. Entom. Mandib. VII. 1835 p. 37 n. 42, g (^. 



Nematus Zetterstedti Dahlbom, Clavis Hymen. , system. 1835 p. 40, Q; Tab. F. 5. 



Nematus miniatus Hartig, Fam. d. Blatt- ii. Hokwesp. 1837 p. 189 n. 12, Q. 



Nematus miniatiis Hartig, Stettin. entom. Zeitg. I. 1840 p. 23 n. 18, Q. 



Nematus nigricornis Blanchard, Hist. nat. Insect. III. 1840 p. 234 n. 2. 



Nematus miniatus Thomson, Ofvers. Sveusk. Vet.-Akad. Forh. XIX. 1862 p.635 n.47,$ ^. 



Nematus Zetterstedti Thomson, Hymen. Scandin. I. 1871 p. 147 n. 78, g ^. 



Nematus miuiatus Ed. Andre, Spec. Hymen. Europe I. P. 6. 1880 p. 196, 201 & 202, Q. 



Nematus Zetterstedtii Cameron, Eutom. M. Magaz. XVI. 1880 p. 265. 



Nematus miniatus Zaddach & Brischke, Schrift. phys. okon. Ges. Konigsberg XXIII. 1882 



[p.l35n.36,Q(50;T.4F.13. 



Nematus miniatus Kriechbaumer, Hartig: Entom. Nachr. X. 1884 p. 321 n. 18, Q. 



Nematus Zetterstedti Cameron, Monogr.Brit.Phytoph.Hymen.il. 1885p.l35n.61,$(J; T.22 



Nematus Sibiricus Jako-vvleTV, Horae soc. entom. Ross. XXII. 1888 p. 368, g. [F. 1. 



Pteronus miniatus Konow, Deiitsch. entom. Zeitschr. XXXIV. 1890 p. 246. 



Nematus biannulatus Costa, Rend. accad. sc. fis. Napoli 1890 p. 172. 



Nematus biannulatus Costa, Atti accad. sc. fis. Napoli (2) IV. P. 5. 1890 p. 5 n. 24, $ ; T. 3 F. 2. 

 nlgricornis Htg. ! — Eur. : Germania. 



Nematus (Diphadnus) nigricoruis Hartig, Fam. d. Blatt- u. Holzwesp. 1837 p. 225. 



Diphaduus nigricoruis Hartig, Stettiu. entom. Zeitg. I. 1840 p. 28. 



Cryptocampus nigricornis Ed. Andre, Spec. Hymen. Europe I. P. 4. 1880 p. 87. 



Diphadnus nigricornis Kriechbaumer, Hartig: Entom. Nachr. X. 1884 p. 325 n. 102. 



Nematus spec. aberr. Diphadnus uigricornis R.v. Stein, Entom. Nachr. VII. 1881 p. 63 n. 3. 

 nig^ridorsis ( Jak.) D. T. — $ — As. : Sibiria or. 



Amaurouematus uigridorsis Jakowlew, Horae soc.entom.Ross.XXVI. P.1-2.1891 p.25 n.25,Q. 



Nematus nigridorsis m. 

 nigritarsis Andre — Q ^ — Eur.: Gallia. 



Nematus nigritarsis Ed. Andre, Spcc. Hymen. Europe I. P. 5. 1880 p. 151 & 155, 2 d« 

 nigritus Nort. — ^ — Am. : Connecticut. 



Nematus uigritus Norton, Proc. Boston'Soc. Nat. Hist. VIII. 1861 p. 160 u. 9, ^. 



Nematus nigritus Norton, Trans. Amer. Entom. Soc. I. 1867 p. 201 n. 15, (J. 

 nigriventris Halmgr. — g — As. : Novaja Semlia. 



Nematus nigriventris Holmgren, Eutom. Tidskr. IV. 1883 p. 146 n. 11, Q. 

 nigrofemoratus Cress. — Q — Am. : Nevada. 



Nematus nigrofemoratus Cresson, Trans. Amer. Eutom. Soc. VIII. 1880 p. 4, Q. 

 nigrolineatns Cam.^j — Q S O — Eur. : Britannia. 



Nematus nigrolineatus Cameron, Trans. Entom. Soc. London 1879 p. 108, Q ^. 



Nematus nigroliueatus Ed. Andre, Spec. Hymeu. Europe I. P. 5. 1880 p. 127 & 131, Q ^. 



Nematus nigrolineatus Cameron, Monogr. Brit. Phytoph. Hymen. I. 1882; T. 7 F. 11. 



Nematus commixtus (Camcron) Zaddach & Brischke, Schrift. phys. okon. Ges. Konigsberg 



[XXIV. 1 883 p. 172 u. 160, Q, 



Nematus nigrolineatus Comeron, Monogr. Brit. Phytoph. Hymen. 11. 1885 p. 194 u. 97, 2(5 Oi 



[T.ll F.7&:T.26F.4. 



Pontania nigrolineata Kouow, Dcutscli. cutora. Zeitschr. XXXIV. 1890 p. 245. 



1) Populus tremula L. (Zaddach & Brischkc). 



2) Salix Vitellina Iv. fCamcrou). 



