56 Biosteres. 



? Opius carbonarius Haliday, Entom. Magaz. IV. 1837 p. 218 n. 40, Q ^. 



Opius carbonarius Blanchard, Hist. nat. Insect. HI. 1840 p. 330 n. 2. 



Opius carbonarius Westwood, Introd. mod. Classif. Insect. II. 1840 Synops. p. 61. 



Biosteres carbonarius Forster, Verh. naturh. Ver. preuss. Rheinl. XIX. 1862 p. 259. 



Biosteres carbonarius Marshall, Trans. Entom. Soc. London 1891 p. 51 n. 1, Q(5; T. 2 F. 7. 



Biosteres carbonarius Marshall, Spec. Hymen. Europe P. 47. 1894 V. p. 346, Q (5- 



Opius (Trichopius) carbonarius Thomson, Opusc. entom. P. 20. 1895 p. 2202 n. 61, g(5. 

 castaneiventris (Thoms.) D. T. — Q (5 — Eur. : Britannia, Suecia. 



Opius haemorrhous var. b Haliday, Entom. Magaz. IV. 1837 p. 219 n. 46, Q (J. 



Opiiis (Trichopius) castaneiventris Thomson, Opusc. entom. P. 20. 1895 p. 2201 n. 59, g (J. 



Biosteres castaneiventris m. 

 haemorrhous (Hal.) Marsh. — $ cj — Eur.: Britannia, Belgia. 



Opius carbonarius var. 2 Wesmael, Nouv. mem. acad. sc. Bruxelles IX. 1835 p. 152 n. 32,g(5. 



Opius haemorrhoeus Haliday, Entom. Magaz. IV. 1837 p. 204 & 219 n. 46, 2(5; Fig. a & b 



[[excl. var.]. 



Biosteres haemorrhous Marshall, Trans. Entom. Soc. London 1891 p. 53 n. 4,Q(5; T. 2 F. 8. 



Biosteres haemorrhous Marshall, Spec. Hymen. Europe P. 47. 1894 V. p. 350, g (5. 



Opius (Trichopius) haemorrhous Thomson, Opusc. entom. P. 20. 1895 p. 2201 n. 60, 2(5. 

 impressus (Wesm.) Marsh. — Q (5 — Eur.: Britannia, Belgia. 



Opius impressus Wesmael, Nouv. mem. acad. sc. Bruxelles IX. 1835 p. 157 n. 36, (5- 



Opius impressus Haliday, Entom. Magaz. IV. 1837 p. 218 n. 41, Q ^. 



Biosteres impressus Marshall, Trans. Entom. Soc. London 1891 p. 52 n. 2, Q (^. 



Biosteres impressus Marshall, Spec. Hymen. Europe P. 47. 1894 V. p. 347, Q ^. 



Opius (Trichopius) impressus Thomson, Opusc. entom. P. 20. 1895 p. 2200 n. 56, 2 (5- 

 magnicornis (Wesm.) Marsh. — 2 (5 — Eur.: Suecia, Belgia. 



Opius magnicornis Wesmael, Nouv. mem. acad. sc. BruxellesIX. 1835 p. 1 55 n.34, Q ; T.2 F. 1 0. 



Biosteres magnicornis Marshall, Spec. Hymen. Europe P. 47. 1894 V. p. 348, 2. 



Opius (AUotypus) magnicornis Thomson, Opusc. entom. P. 20. 1895 p. 2187 n. 26, 2 (5. 

 melanocerns (Wesm.) Marsh. — 2 — Eur.: Belgia. 



Opius melanocerus Wesmael, Nouv. mem. acad. sc. Bruxelles XI. 1838 p. 149 n. 34^ Q. 



Biosteres melanocerus Marshall, Spec. Hymen. Europe P. 47. 1894 p. 347, 2- 

 melanosoma Szepl. — Q 6 — Eur.: Hungaria. 



Biosteres melanosoma Sz^pligeti, Termesz. Fiizet. XIX. 1896 p. 318 & 384, 2 (5- 

 nitidns Szepl. — (5 — Eur.: Hungaria. 



Biosteres nitida Szepligeti, Termesz. Fuzet. XIX. 1896 p. 318 & 384, S- 

 placidus (Hal.) Marsh. — 2 — Eur. : Britannia. 

 . Opius placidus Haliday, Entom. Magaz. IV. 1837 p. 217 n. 39, 2- 



Rhabdospilus placidus Forster, Verh. naturh. Ver. preuss. Rheinl. XIX. 1862 p. 259. 



Biosteres placidus Marshall, Trans. Entom. Soc. London 1891 p. 56 n. 10, 2- 



Biosteres placidus Marshall, Spec. Hymen. Europe P. 47. 1894 V. p. 345, 2- 

 procerus (Wesm.) D. T. — 2 6 — Eur. : Britannia, Suecia, Belgia. 



Opius procerus Wesmael, Nouv. mem. acad. sc. Bruxelles IX. 1835 p. 156n. 35,(5; T. 2 F. 12. 



Opius carbonarius Haliday, Entom. Magaz. IV. 1837 p. 218 n. 40, 2 (5- 



Opius (Trichopius) procerus Thomson, Opusc. entom. P. 20. 1895 p. 2200 n. 55, 2 d' 



Biosteres procerus m. 

 rusticus (Hal.) Marsh. — 2 r5 — Eur. : Britannia. 



Opius rusticus Haliday, Entom. Magaz. IV. 1837 p. 218 n. 42, 2 (5- 



Biosteres rusticus Marshall, Trans. Entom. Soc. London 1891 p. 54 n. 6, 2 c5- 



Biosteres rusticus Marshall, Spec. Hymen. Europe P. 47. 1894 V. p. 352, 2 (5- 



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