Xyela — Janus. 401 



Xiela miuor Provaucher, Natural. Canad. X. 1878 p. 208, Q. 



Xiela minor Provancher, Faun. entom. Canada. Hymen. 1883 p. 234, Q. 

 piliserra Thoms. — Q (5 — Eur. : Suecia. 



Xyela piliserra Thomson, Hjnnen. Scaudiu. I. JSTl p. 317 n. 3, Q. 



Pinicola piliserra Ed. Andre, Spec. Hymeu. Europe I. P. 9. 1881 p. 468, (5- 

 tricolor (Nort.) Kby. — (5 — Am. : Kansas. 



Xyela tricolor Nortou, Proc. Eutom. Soc. Philadelphia I. 1862 p. 144, (J. 



Xyela tricolor Norton, Trans. Amer. Entom. Soc. II. 1869 p. 348 n. 2, (J. 



Macroxyela tricolor W. F. Kirby, List Hymen. Brit. Mus. I. 1882 p. 352 n. 4. 



17. Suhfam. Cephinae 



Westwood, lutrod. mod. Classif. Insect. II. 1840 Syuops. p. 55. 



JANUS 



Stephens, lUustr. Brit. Entom. Mandib. VII.. 1835 p, 108 n. 30, 

 Konow, Deutsch. entom. Zeitschr. XXXIV. 1890 p. 242, 

 Nom. mythol. 

 Synon.: Cerobactrus Costa, Fauna Napoli. Cephid. 1860 p. 9. 

 xi^tts, cornu; ^axxqou, baculus. 

 Ephippionotus Costa, Fauna Napoli. Cephid. 1860 p. 10. 



igjinnioy, ephippium; ycJToy, dorsum. 

 Macrocephus Schlechteudal, Eutom. Nachr. IV. 1878 p. 153. 



/xuxQos-, longus; Cephus, nom. propr. Hymen. 

 Phylloecus E. Newman, Entom. Magaz. V. 1838 p. 485. 

 (pvk^/.of, folium; olxiu), liabito. 

 A s t a t u s Klug. 

 Cephus Fabricius &: auct. ant. 

 Lyda Fabricius, Lepeletier, Stephens. 

 P a m p h i 1 i u s Latr eille . 

 Sirex Fabricius & auct. ant. 

 Tenthredo Linne & auct. ant. 

 Trachelus Jurine. 



algiricus Andre; Kby. — Q — Afr. : Algeria. 



Phylloecus Algiricus Ed. Andre, Spec. Hymen. Europe I. P. 10. 1881 p. 543, Q. 



Jauus Algiricus W. F. Kirby, List Hymen. Brit. Mus. I. 1882 p. 354 n. 10. 

 compressns (Fabr.) Gir. i) — Q 6 O — Eiu-. centr. & mer. 



? Tenthredo prolongata Fourcroy, Entom. Paris. II. 1785 p. 379 n. 47. 



? Tenthredo prolongata Villers, C. Linnaei Entora. III. 1789 p. 125 n. 136. 



Sirex comprcssus Fabricius, Eutom. system. II. 1793 p. 131 n. 23. 



Sirex compressus Coqucbert, IUustr. iconogr. lusect. II. 1801 p. 47; T. 11 F. 1. 



Ccphus compressus Fabricius, Syst. Piez. 1804 p. 250 u. 2. 



Cephus compressus Latreillc, Hist. nat. Insect. XIII. 1805 p. 144 u. 4. 



Trachehis compressus Jurine, Nouv. m6th. class. Hym6n. 1807 p. 72, Q (J. 



Cephus compressus Latreillc, Gcn. Cnist. & luscct. III. 1807 p. 236, 



Ccphus comprcssus Lcpeleticr, Monogr. Tcnthred, 1823 p. 18 n. 51, Q (^. 



Cephus compressus I,epelcticr, Fauue Frauc. 1S30 p. 95 n. 2, Q; T. 15 F, 1. 



1) Pirus commimis !>. 'Rogcnhofer;. 

 Catalogus Hymenopterornm. I. 26 



