284 JV^i'iigate : Durliani Diptcra. 



Helomyza pectoralis Lw. Hesleden, one (5. Aug-. 1900. 



Helomyza sitnilis Mg-. Wearhead, Harperley, five c^ s, April and Aug-. 



1901. 

 Helomyza laevitrons Lw. Harperley, one S, April 1900; Siiull, two -J s 



and two 9 s, Sept. 1900. 

 Helomyza ustulata Mg. Bishop Auckland, one S , 9th March 1901. 

 Helomyza montana Lw. Shipley- Glen, one 9 , July 1900. 

 Helomyza zetterstedtii Lw. Shipley, three 9 s, July-Sept. 1900. 

 Helomyza montana Lw. Shipley, one 9 , July 1900. 

 Helomyza palida Fin. Bishop Auckland, five is and six 9s, June-July 



1897- 1 90 1. 

 Helomyza parva Lw. Shall, one 9 , Sept. 1900. 

 Blepharoptera serrata L. Bishop Auckland, twelve c? s and three 9 s, 



March-July. 

 Blepharoptera iners Mg-. Hesleden, two 9 s, .-Vug-. 1899; Harperley, 



two 9 s, April 1900. 

 Tephroclamys rufiventris Mg. Bishop Auckland, one S and twelve 9 s, 



March-Aug. 1898- 1900. 



Fam. SCIOMVZn).^. 



Neuroctena anilis Fin. Bishop Auckland, three J s ; Hesleden, three J s, 



July-Aug. 1900. 

 Dryomyza flaveola F". Bishop Auckland, Shull, Harperley, six S s and 



two 9 s, June-Sept. 1900-1901. 

 Sciomyza albocostata Fin. Hesleden, one S, June 1900. 

 Sciomyza cinerella Fin. Hesleden, two c5 s, June-Aug. 1899- 1900. 

 Tetanocera elata F. Hesleden, two cJj^and one 9, Aug. 1899-1900. 

 Tetanocera lasvifrons Lw. Bedburn, one 9 , July 1902. 

 Tetanocera punctulata Scop. Hesleden, one i, Aug-. 1902. 

 Limnia rufifrons F. Hesleden, five is and three 9s, July-Aug. 18S9- 



1900. 

 Elgiva dorsalis F. Hesleden, one S, Aug. 1900. 



Fam. PSILID.E. 

 Psila fimentaria L. South Durham, one 9 . 

 Psila rufa Mg. Hesleden, one i and one 9 , June 1900. 

 Psila palida. Hesleden, one i , June 1900. 

 Psila nigricornis Mg. Bishop Auckland, two 6 s, May ; Greenhouse, 



one £ , Feb. 1900. 

 Psila villosula Mg. Hesleden, one 6 , Aug. 1900. 

 Loxocera aristata Pz. Hesleden, one 9 , Aug-. 1899. 



F-am. MICROPEZID.^. 

 Calobata Cibaria L. Bishop Auckland, one <5 and two 9 s, June-July 190U 

 Calobata petronella L. Bishop Auckland, five i s and one 9 , June-July 

 1897-1901. 



Fam. ORTALID.E. 



Pteropasctria afflicta Mg. Hesleden, eight J s and seven 9 s, Aug. 1899- 



1902. 

 Pteropasctria nigrina Mg. Hesleden, one 9, Aug^. 1S99. 

 Pteropasctria frondescentiae L. Waskerley, one 6 , July 1901 ; Hesleden. 



fi\e i s atul four 9 s, Aug. 1902. 



Fam. TRYPETID.E. 

 Acidia cognata W. Bishop Auckland, one 9 , July 1901. 



