INDEX. 167 



W Xylophagus, 43 



WillistoiiifUa, 125-xxxiii, 10 Xyloniyia, 4o-liv, 5 ('01) 



Winnertzia, 12 Xylota, 89 



X Y 



Xanthochlorus Yetodesia, see Hyetodesia, 134 



Xanthograninia, 87 



Xeiioc'lifeta, 122-xli, 2 Z 



Xesfomi/za, sec Thereva, 09 Zoilion, 93 



Xipliura, 30 Zygomyia, 18 



Xyloimiagid.T':, 41 Zygoneura, 17 



