Tremex. 381 



Sirex Columba Linne, Amoen. acad. VI. 1763 p. 412 n. 88. 



Sirex Columba Linne, Syst. nat. Ed. 12» I 2. 1767 p. 929 n. 2. 



Sirex Pennsylvanica Degeer, Mem. hist. Insect. III. 1773 p. 593; T. 30 F. 13. 



Sirex cinctus Drury, Illustr. Nat. Hist. II. 1773 p. 72; T. 38 F. 2. 



Sirex Columba Fabricius, Syst. entom. 1775 p. 325 n. 2. 



Sirex Columba Ph. L. Muller, Linne: VoUst. Natursyst. V. 2. 1775 p. 838 n. 2. 



Sirex Pennsylvanica Goze, Degeer: Abh. Gesch. Insect. lU. 1780 p. 384; T. 30 F. 13. 



Sirex Columba Fabricius, Spec. Insect. I. 1781 p. 418 n. 2. 



Sirex Pennsylvanica Retzius. Gen. & spec. Insect. 1783 p. 67 n. 261. 



Sirex Columba Fabricius, Mant. Insect. I. 1787 p. 257 n. 2. 



Sirex Columba Gmelin, Linne: Syst. nat. Ed. 13» L 5. 1790 p. 2671 n. 2. 



Sirex Americana Christ, Naturg. d. Insect. 1791 p. 412. 



Sirex Columba Christ, Naturg. d. Insect. 1791 p. 417. 



Sirex Columba Fabricius, Entom. Syst. 11. 1793 p. 124 n. 3. 



Sirex Columba Fabricius, Syst. Piez. 1804 p. 49 n. 3. 



Tremex obsoletus Say, West. Quart. Rep. Cincinnati II. 1823 p. 73 n. 2. 



Tremex Columba Lepeletier, Encycl. method. Insect. X. 1825 p. 438 n. 5. 



Tremex Columba Th. W. Harris, New Engl. Farmer V. 1827 p. 211. 



Tremex obsoletus Say, Amer. Entom. IIL 1828 p. 74; T. 32 F. 2. 



Tremex Columba Say, Amer. Entom. IH. 1828 p. 74; T. 32 F. 3. 



Sirex cinctus Westiivood, Drury: Illustr. Nat. Hist. H. 1837 p. 78; T. 38 F. 2. 



Sirex Columba Blanchard, Hist. nat. Insect. HI. 1840 p. 245 n. 3. 



Tremex Columba Th. W. Harris, Treat. Insect. Massach. 1841 p. 389. 



Tremex obsoletus Leconte, Writ. of Th. Say Entom. I. 1859 p. 74. 



Tremex Columba Leconte, Writ. of Th. Say Entom. I. 1859 p. 74. 



Xyloecematium Columba L. Heyden, Berlin. entom. Zeitschr. XII. 1868 p. 227. 



Tremex Columba Norton, Trans. Amer. Entom. Soc. II. 1869 p. 364 n. 1, ? ^. 



Tremex maurus Westwood, Thesaur. entom. Oxon. 1874 p. 116; T. 21 F. 3. 



Tremex Columba C. Thomas, &^^ Rep. State Entomol. Illinois f. 1875/76, 1876 p. 41. 



Tremex ColumbaPackard, lOth Ann. Rep.U.St.Geol. & Geogr. Surv.f.l876. 1878 p.531 ; Fig.9. 



Tremex Columba Provancher, Natural. Canad. X. 1878 p. 231, Q 5- 



Tremex Columba C. Thomas, lOth Kep. State Entomol. IUinois f. 1879 80. 1880 p. 71. 



Tremex Columba Saunders, Rep. Fruit-Growers Ass. Ont. 1882 p. 272; Fig. 9 & 10. 



Tremex Columbia Harrington, Canad. Entomol. XIV. 1882 p. 225 n. 4, Q. 



Tremex Coliimba Provancher, Faun. entom. Canada. Hymen. 1883 p. 242, Q (J. 



Tremex Columba Riley, Insect Life L 1888 p. 179; Fig. 39. 



Tremex Columba Packard. Rep. U. S. Entom. Commiss. V. 1890 p. 379 n. 2; Fig. 141. 



Tremex Columba Packard, Rep. U. S. Entom. Commiss. V. 1890 p. 484 n. 2. 

 var. sericeus Say — 5 (5 — Am. : United States. 



Tremex sericeus Say, West. Quart. Rep. Cincinnati H. 1823 p. 73 n. 1. 



Tremex sericeus Say, Amer. Entom. m. 1828 p. 73; T. 32 F. 1. 



Tremex Servillei BruUe, Hist. nat. Insect. Hymen. IV. 1846 p. 645 n. 1, Q; T. 45 F. 2. 



Tremex sericus Leconte, Writ. of Th. Say Entom. I. 1859 p. 73. 



Tremex sericeus Norton, Trans. Amer. Entom. Soc. II. 1809 p. 306 n. 2. 



Tremex Columba var. sericeus Cresson, Synops. Hymen. N. Amer. 1887 p. 173. 

 fuscicornis Fabr.) Jur.i, — Q ^ — Eur. tota. 



Sirex fuscicornis Fabricius, Mant. Insect. I. 1787 p. 257 n. G. 



Sirex fuscicornis Villers, C. Linnaei Entom. III. 1789 p. 130 n. 8. 



1) Populus nigra L., P. pyramidalis Roz., P. tremula L. (Camerou), Fagus silvatica L. 

 (Konow). 



