TYPE SPECIES OP THE GENEEA OF ICH]SrEUMO]Sr FLIES. 155 



Xylophylax Kriechbaumer. 



Ent. Nachr., vol. 4, 1878, p. 210. 



No species as yet included. 

 Xynobius Foerster. 



Verh. naturh. Ver. Rheinland, vol. 19, 1862, p. 235. 



Type. — Xynobius pallipes Foerster. Not described. (Monobasic.) 

 Yelicones Cameron. 



Biol. Cent. Amer. Hym., vol. 1, 1887, p. 387. Tliree species. 



Type. — Yelicones violaceipennis Cameron. (By present designation.) 

 Zacalles (Foerster) Davis. 



Verh. naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 204. No species. 



Trans. Amer. Ent. Soc, vol. 24, 1897, p. 283. One species. 



Type. — Zacalles magnus Davis. (Monobasic.) 

 Zacliarops Yiereck. 



Proc. U. S. Nat. Mus., vol. 42, 1912, p. 646. 



Type. — Charops annulipes Ashmead. (Monobasic.) 

 Zachresta (Foerster) Woldstedt. 



Verh. naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 151. No species. 



Bull. Acad. Sci. St. Petersbourg, vol. 23, 1877, p. 436, separate. (One species.) 



Type. — Zachresta insignis Woldstedt. (Monobasic.) 

 Zaglyptogastra Ashmead. 



Proc. U. S. Nat. Mus., vol. 23, 1900, p. 137; vol. 30, 1906, p. 197. 



Type. — Zaglyptogastra abbotti Ashmead. (Monobasic.) 

 Zaglj^tus (Foerster) Woldstedt. 



Verh. Naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 166. No species. 



Bull. Acad. Sci. St. Petersbourg, vol. 10, 1877, p. 17, separate. One species. 



Type. — Polysphincta varipes Gravenhorst. (Monobasic.) 

 Zaleptopygus Viereck. 



Proc. U. S. Nat. Mus., vol. 41, 1911, p. 294. 



Type. — Zaleptopygus oberex Viereck. (Monobasic.) 

 Zamansa Viereck. 



Proc. U. S. Nat. Mus., vol. 42, 1912, p. 647. 



Type. — Cryptus aztecus Cresson. (Monobasic.) 

 Zamegaspilus Ashmead. 



Proc. U. S. Nat. Mus., vol. 23, 1900, p. 141. 



Type. — Zamegaspilus ^opkinsi Ashmead. Not described. (Monobasic.) 

 Zamesochorus Viereck. 



Proc. U. S. Nat. Mus., vol. 42, 1912, p. 152. 



Type. — Zamesochorus orientalis Viereck. (Monobasic.) 

 Zamicrodus Viereck. 



Proc. U. S. Nat. Mus., vol. 42, 1912, p. 630. 



Type. — Zamicrodus sensilis Viereck. (Monobasic.) 

 Zanthojoppa Cameron. 



Ann. Mag. Nat. Hist., vol. 7, 1901, p. 378. 



Type. — Zanthojoppa trilineata Cameron. (Monobasic.) 

 Zapedias Foerster. 



Vehr. naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 206. 



No species as yet included. 

 Zaphleges (Foerster) Ashmead. 



Verh. naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 184. No species. 



Proc. U. S. Nat. Mus., vol. 23, 1900, p. 30. One species. 



Type. — Phygadeuon leucostigmus Gravenhorst. (Monobasic.) 

 Zaphthora Foerster. 



Verh. naturh. Ver. preuss. Rheinland, vol. 25, 1868, p. 206. 



No species as yet included. 

 94380°~Bull. 83—14 11 



