160 ANNALS OF SCOTTISH NATURAL HISTORY 



THEREVIM;. 



THEREVA NOBILITATA (Fab.}. Stanley (June). 



EMPIM;. 



RHAMPHOMYIA SULCATA (Fall.}. Dalguise (May). 



EMPIS TESSELLATA, Fab. Almond Valley (May) ; near Perth 

 (June) ; Bankfoot (July). 



EMPIS LIVIDA, Linn. Almond Valley (August). 

 EMPIS BOREALIS, Linn. Dalguise (May). 

 EMPIS CHIOPTERA, Fall. Almond Valley (May). 



HILARA PINETORUM, Zett. Almond Valley (May) ; near Perth 



(June). 

 HILARA NIGRINA (Fall.}. Woody Island (May). 



DOLICHOPODID^. 

 PORPHYROPS CRASSIPES, Mg. Almond Valley (May). 



LONCHOPTERID^:. 



LONCHOPTERA LACusTRis, Mg. Minkic Moss (April). 



PLATYPEZID^E. 

 OPETIA NIGRA, Mg. Almond Valley (May). 



SYRPHID.E. 



PIPIZELLA VIRENS (Fab.}. Woody Island (June). 



PlPlZA NOCTILUCA (Llfl/l.}. 



LEUCOZONA LUCORUM (Linn.}. Glenfarg (May). 



MELANOSTOMA MELLINUM (Linn.}. Almond Valley (May) ; Woody 

 Island (May) ; Methven Moss (June). 



PLATYCHIRUS MANICATUS (Mg.}. Woody Island (May and June) ; 

 Kinnoull Hill (June) ; near Perth (June). 



PLATYCHIRUS ALBIMANUS (Fab.}. Almond Valley (April, May, and 

 August) ; Woody Island (May and June). 



SYRPHUS LASIOPHTHALMUS (Zett.}. Almond Valley (April) ; Meth- 

 ven Moss (April) ; Minkie Moss (April) ; Dalguise (May). 



SYRPHUS COROLLA, Fab. 



SYRPHUS RIBESII (Linn.}. Kinnoull Hill (June). 



SYRPHUS ALBOSTRIATUS (Fall.}. Bankfoot (July). 



