340 Bagnall and Harrison : Midge-Galls of Yorkshire. 



Group ASPHONDYLARIAE. 



Schizomyia galiorum Kieff. On various Galium spp., especially Galium 



venim. Redcar, Saltburn, etc. 

 S. tayni K. On Tainus communis. From South Durham, southwards. 

 S. ligustri Riibs. Galls flowers of privet. Once only, Hemlington. 

 Asphondylia mayeri Lieb. On Cytisiis scoparius. Normanby, Lonsdale. 

 A. sarothamni H. Loew. With the last named. 

 A. ulicis Verral. On Ulex europaeus. Abundant everywhere. 



Group Brack YNEURARiAE. 

 Mikiola fagi Hartig. On leaves of beech. IMarton Gill. 



Group Cecidomyiariae. 



Monarthropalpus huxi Geoffroy. On box, Nunthorpc. 



Anabremia hellevoyei Kiefi. On Lathyrus pvatensis. Not uncommon in 



the Cleveland area. 

 Contarinia anthobia F. Loew. On hawthorn flowers. Common every- 

 where in the Middlesbrough district. 

 C. harbichei Kieft'. On Lotus corniculatus. Common enough everywhere. 

 C. betulicola Kieff. On Betula alba, Eston. 

 C. betulina Kieff. Likewise on Betula alba. Eston, Ayton, Kildale, 



Leeds area. 

 C. corvli Kieff. On Hazel, near Leeds. 



C. craccae Kieff. On Vicia cracca and V. sepium. Common enough. 

 C. floriperda Riibs. On flowers of Pyvus Aucuparia and P. Aria. Every- 

 where on the former, but only Middlesbrough Park on P. Aria. 

 C. heliaiiihemi Hardy. On Helianthemum vulgare. Saltburn. 

 C. nicolavi Rubs. On flowers of Heracleum Sphondylium. Redcar, 



Avton, etc. Varies in abundance. 

 C. quevcina Riibs. On oak. Bardsey, near Leeds. 

 C. sorbi Kieff. On Pyrus Aucuparia. Quite common, Great Ayton 



liloor, Lonsdale, Kildale. 

 Contarinia sp. On flowers of Pyrus tormiualis. INIiddlesbrough Park. 

 C. steini Karsch. On flowers of Lychnis alba and L. dioica. -sparingly, 



but generally distributed. 

 C. tiliaruni Kieff. On ^•arious tpecies of Tilia. Usually very common, 



but quite rare in the Cleveland area. 

 C. viburnorum K. On guelder rose, Thirsk. 

 C. tragopogonis Kieff. On Tragopogon praiensis. Redcar. 

 Syndiplosis lonicerearum F. Loew. On guelder rose, Thirsk. 

 Siictodiplosis corylina F. Loew On Corylus Avellana. Bardsey, near 



Leeds. 

 5. hypochoeridis Riibs. On flowers of Crepis biennis. Stainton. 

 S. jacobaeae H. Loew. On Senecio Jacobaea. Middlesbrough district. 

 Myricomyia mediterranea F. Loew. On Erica Tetralix. Eston and 



Ayton Moors. 

 Macrodiplosis dryobia F. Loew. On oak. Generally distributed, but 



not very common. 

 M. volvens Kieff. Like the preceding and occurring with it. 

 Xenodiplosis laeviusculi Riibs. On the gall of Neuroterus laeviusculus on 



oak. Bardsey, near Leeds. 

 Parallelodiplosis galliperda F. Loew. On gal of Neuroterus lenticularis 



on oak. Nunthorpe. 

 Harmandia puslulans Kieff. On Populus tremula. Nunthorpc, very 



rare. 

 Clinodiplosis liorrhizae K. In(iuiUnc in galls of Teras t&rminalis. Not 



uncommon. 

 C. botularia Winn, huiuil ne in galls of Perrisia fraxini. Bardsey and 



Gunncrgatc. 



Naturalist 



