169* fragariae Beut. 1915* Canad.Ent. 47s555* 6 0. Gall on petiole of strawberry# 
R.I., N.Y.,Va.,Ill., Ontario. 
170. minimus Bass. 1900. Amer.Ent.Soc.Trans• 26:525# 9 6 0. Mass., Conn.,N.J. 
Gall on P otenti11 a canadensis# 
171. nebulosus (O.S.). 186l. Stettin Ent.Ztg. 22:415. 9 0. Gall on stem of 
blackberry. Ontario to Fla.; west to Kansas. 
172. niger Bass. 1900. Amer.Ent.Soc.Trans. 26:524. 9 0. Gall on Potentilla 
c anadensis . D.C. N.Y.,Mass.,Mich.,111.,Mo.,Ark. 
175* piceus Prov. 1886. Addit.Corr.Faune Canada Hym. p.l6l. 9 <J. Ontario. 
174. radicum Bass. 1870. Canad.Ent. 2:98. 9 <5 0. Gall on roots of Rubus . 
Conn.,N.Y.,N.J#,N.Car., Chtario. 
175. srailaci8 Ashm. 1896. Amer.Ent.Soc.Trans. 19:155. 9 0. Galls said to have 
been on S mlla x. Ill. 
176. tumefactus Kinsey. 1920. Amer.Mus.Nat.Hist.Bui.42: 299# 9 0. Quebec, Ontario. 
Gall on P otentilla . 
177. turgidus Bass. 1870. Canad.Ent. 2:99. 9 0. Gall on stem of red raspberry. 
Conn., N.Y.,Ind.,Ill., Quebec,Ontario. 
Genus LIPOSTHENES Foerster 
178. glechomae (L.). 1758. Syst.Nat. Ed.10. p.555• (Reaum.Ins.5:460.S 0). Gall 
on Nepet a hederacea . Introduced from Europe. Maine to Ill.,to Va. 
Genus AYLAX Hartig 
179. 5-costatus (Prov.). 1885* Nat.Canad. 14:19* Ontario (Toronto). 
Genus AUIACIDEA Ashmead 
( Produe galls on Lactuca, Prenanthes ) 
180. abdita Kinsey. 1920. Amer .Mus .Nat.Hist.Bui.42:296. 9 <5 0. Quebec. 
Cells in the pith <pf Lactuca . 
181. ambrosiaecola (Ashm.). 1896. U.S.Natl.Mus.Proc.19:154. 9 (5 0. 
Gall on A mbrosia . Mo. (Kirkwood). 
182. annulate Kinsey. 1920. Amer .Mus .Nat .Hist. Bui.42:298. 9 8 0. On Lactuca ..Mas 3. 
185. harringtoni (Ashm.). 1887. Amer.Ent.Soc.Trans. 14:146. $• Ont. to D.C., Mo. 
184. nabali (Brodie). 1892. Canad.Ent. 24:12. 9 8 0. Gall on Prenanthe s. 
Quebec to Ill.; south to Va.,N.Car. 
185. podagrae (Bass.). 1890. Amer.Ent.Soc.Trans. 17:91* #6 0. 
Gall on L actuca s picata . N.Y.,Pa.,Ill.,Mo.,Va. 
186. tumida (Bass.). 1890. Amer.Ent.Soc.Trans.17:92. 9 8 0. Gall on Lactuca 
c anadensis. Ontario to Ill.; south to Va. 
Genus GILLETTEA Ashmead 
187. taraxaci Ashm. 1897. Psyche 8:69. 980. Gall on T araxacum officinale . 
Minn.,lowa, Ill., N.Y., Ontario. 
27 
