NOTES ON DIPTERA. 115 



L. Winthemii, Lehmann. Spring and summer; on box trees; 

 near London. 



L. flavicornis, L. fascipennis, and L. fasciola, of Meigen, seem 

 varieties of one species. 



L. pubescens, n. s. (Div. B. b. Meigen). Mas. Atra, ob- 

 scura, albo-pubescens : antenna nigra ; palpi jlavi : pedes 

 jlavi; coxa basi, femora, subtus tarsique omnino fusca: 

 alee sublimjridce, apice obscuriores ; nervi fusci, ad costam 

 bene determinati : halteres pallide Jlavi. (Corp. long. 1 \ 

 lin. ; alar. 3 lin.) 

 Found near London. 



Seiophila. Hoffmansegg. 

 S. fimbriata, Meigen. June; near London; Windsor Forest. 

 Var. ?— Abdomen black, shining : tip red. 

 September; North Wales. 



S. annulata, Meigen. j Spring and autumn; near London; 



S. cingulata, Meigen.) North Wales. 



S. maculata, Meigen. 



S. marginata, Megerle. Common near London. 



S. ferruginea, Meigen. 



S. hirta, Hoffmansegg. September; near London; North 



Wales. 

 S. vitripennis, Meigen. May and July ; near London. 

 S. lutea, Macquart. Found near London. 

 S. nigra, Macquart. Spring and autumn ; near London ; 



North Wales. 



Seiophila rufilatera, (Div. C. Meigen.) Fem. Atra, antenna 



nigro-fusca, thoracis latera et abdominis segmenta apice 



rufa, pedes fulvi, ala sublimpida. 

 Atra, parum nitens, fere glabra : palpi pallidi : antennas nigro- 



fuscae, basi rufa3 : thoracis latera rufa : abdomen pubescens ; 



segmenta apice rufa ; pedes fulvi; tarsi obscuriores ; coxae rufa?; 



trochanters fusci : ala? sublimpida? ; nervi et halteres fusci. 



(Corp. long. 2 lin. ; alar. 3| lin.) 



Found near London. 



Cordyla. Meigen. 

 C. fasciata, Meigen. September; North Wales. 



