Syrphoctonus — Zootrephes. 241 



pacificas (Cress.) Davis — Q d — Am.: California, Nevada,VancoiiversIsland,Wa8hington. 



Bassus pacificus Cresson, Proc. Acad. Nat. Sc. Philadelphia 1878 p. 376, Q r^. 



Bassus xanthopsis Ashmead, Proc. U. S. Nat. Mus. XII. 1890 p. 440, (J. 



Syrphoctonus pacificus Davis, Trans. Amer. Entom. Soc. XXII. 1895 p. 26, g rj. 



Syrphoctonus pacificus Harrington, Canad. Entomol. XXIX. 1897 p. 45. 

 plenralis (Cress.) Davis — Q <5 — Am. : California, Ohio. 



Bassus pleuralis Cresson, Trans. Amer. Entom. Soc. II. 1868 p. 111, Q. 



Bassus syrphicola Ashmead, Proc. U. S. Nat. Mus. XII. 1890 p. 439, Q. 



Syrphoctonus pleuralis Davis, Trans. Amer. Entom. Soc. XXII. 1895 p. 25, Q <^. 

 robnstus Davis — (5 — Am. : Washington. 



Syrphoctonus robustus Davis, Trans. Amer. Entom. Soc. XXII. 1895 p. 25, ^. 



ZOOTREPHES 



Forster, Verh. naturh. Ver. preuss. Rheinl. XXV. 1868 p. 162 n. 5. 

 Thomson, Opusc. entom. P. 14. 1890 p. 1486. 

 CcJoy, animal; TQtcpco, alo. 

 Synon.: Bassus Cresson & auct. 



antennatns Davis — 2 (5 — Am.: Canada, New Hampshire. 



Zootrephes antennatus Davis, Trans. Amer. Entom. Soc. XXII. 1895 p. 23, g (J. 

 cingulatus (Prov.) Davis — Q (^ — Am. : Canada, New Hampshire. 

 Bassus cingulatus Provancher, Natural. Canad. XIV. 1883 p. II n. 16. 

 Bassus cingulatus Provancher, Faun. entom. Canada. Hymen. 18S3 p. 798 n. 16, Q. 

 Zootrephes cingulatus Davis, Trans. Amer. Eutom. Soc. XXII. 1895 p. 24, Q (5. 

 j compressus Szepl. — Q — Eur. : Hungaria. 



1 Zootrephes compressus Szepligeti, Rovart. Lapok V. 1898 p. 76, Q. 

 ! fasciatns Szepl. — <5 — Eur. : Hungaria. 



I Zootrephes fasciatus Szepligeti, Termesz. Fuzet. XXIII. 1900 p. 11 & 29 n. 65, ^. 

 I frigidus (Cress.) Davis — Q — Am. : Hudsons Bay. 



Bassus frigidus Cresson, Trans. Amer. Entom. Soc. II. 1868 p. 111, Q. 

 Zootrephes frigidus Davis, Trans. Amer. Entom. Soc. XXII. 1895 p. 22, Q. 

 hilaris Woldst. — (J — As.: Sibiria. 



Bassus (Zootrephes) hilaris Woldstedt, Stettin. entom. Zeitg. XLI. 1880 p. 175 n. 2, ;5. 

 holmgrenii (Bridgm.) Thoms. — Q <$ — Eur. : Britannia. 

 Bassus Holmgreni Bridgman, Trans. Entom. Soc. London 1882 p. 161, Q (5- 

 Zootrephus Holmgreni Thomson, Opusc. entom. P. 14. 1890 p. 1487 n. 1, Q (5- 

 ichneumonoides (Prov.) Davis — Q <$ — Am.: Canada. 

 Bassus ichneumonoides Provancher, Natural. Canad. VI. 1874 p. 57, Q. 

 Bassus ichneumonoides Provancher, Natural. Canad. XI. 1879 p. 277 n. 14, Q (J. 

 Bassus ichneumonoides Provancher, Natural. Canad. XIV. 1883 p. 11 n. 14. 

 Bassus ichneumonoides Provancher, Faun. entom. Canada. Hymen. 1883 p. 432«fe798 n.l4. 

 Zootrephes ? ichneumonoides Davis, Trans. Amer. Entom. Soc. XXII. 1895 p. 23, Q ^. 

 inconstans Davis — Q (^ — Am.: Washington, Nevada, Colorado, Massachusetts. 

 Zootrephes inconstans Davis, Trans. Amer. Entom. Soc. XXII. 1895 p. 23, Q r^. 

 montanns Davis — Q t^ — Am. : Montana, Nevada, Michigan. 



Zootrephes montanus Davis, Trans. Amer. Entom. Soc. XXII. 1895 p. 24, Q (J. 

 rnflyentris Thoms. — Q — Eur. 



Zootrephus rufiventris Thomson, Opusc. entom. P. 14. 1890 p. 1488 n. 2, Q. 

 Saginatus (Prov.) Davis — Q f^ — Am.: Canada, New Hampshire. 

 Bassus saginatus Provancher, Natural. Canad. XI. 1879 p. 277 n. 13, Q. 

 Catalogus Hymenopterorum. III. 16 



