Preliminary Catalogue of British Cecidomyidae. 349 



*2. C. millefolii Wachtl, 1884, p. 161; Kieflter, 1913-2, 

 p. 20. 



Affecting achenes of Achillea Millefolium and more rarely 

 A. Ptarmica. See Houard, 5672 and 5701. 



More sparing than C. chrysanthemi ; records from all 

 counties excepting Lancashire and Westmoreland. 



*3. C. leucanthemi KiefEer {chrysanthemi Schiner non H. 

 Loew), 1889-1, p. 285; Kieffer, 1913-2, p. 20. 



Affecting achenes of Chrysanthemum Leucanthemum. 

 Houard, 5726. 



NoETHUMBERLAND, Whitfield. Durham, Birtley dis- 

 trict, Fatfield. Also from Scotland. 



Trotteria (for Chorisfoneura (praeocc.) Riibs.) Kieffer, 

 1901-1, p. 561. 



*4. T. galii Riibsaamen, 1912-1, p. 376; Kieffer, 1913-2, 

 p. 22. 



Gall on Galium verum, = Cecidomyid sp., Houard, 5290. 



Lancashire, several, in a field near Ainsdale. North- 

 umberland, Bamburgh and Warkworth, not rare. Durham, 

 Blackball Rocks, three examples only. Also from Scotland. 



*5. T. sarothamni Kieffer, 1890-1, p. 136 (Lasioptera) ; 

 Kieffer, 1913-2, p. 22. 



Galhng seed-pods of broom. Houard, 3411. 

 Northumberland, near Ovingham ; and Durham, Gib- 

 side ; rare, lane between Rowley and Lanchester ; Birtley. 



*5a. T. umbelliferarum Kieffer, 1913-1, p. 47; 1913-2, 

 p. 22. 



On Anthriscus. 

 Durham, Gunnergate. 



Lasioptera Meigen, 1818, p. 88. 



6. L. albipennis Meigen, 1804, p. 40 {Cecidomyia) ; KiefEer, 



1913-2, p. 31. 



7. L. arundinis Schiner, 1854, p. 175; Kieffer, 1913-2, 



p. 31. 

 Galhng Phragmites communis. Swanton, 49; Houard, 

 241. 

 Northumberland, Warkworth. Durham, Billingham. 



TRANS. ENT. SOC. LOND. 1917. — PARTS II, III, IV. (mAY '18) AA 



