158 



TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



Empis lernalis, Mg.,- 

 *E. albinervis, Mg., - 

 *E. hyalipennis, Fin., 

 *Hilara quadrivittata, Mg. 

 *H. Beckeri, Strobl., - 



*H. chorica, Fin., 



* Trichina clavipes, Mg., - 



** Heleodromia stagnalis, Hal., 

 * % Ardoptera irrorata, Fin., 

 *A. guttata. Hal., 

 * Levidomyia melanocephala, F. 



*Tachista arrogans. L. ; 



"^l 7 . connexa, Mg., 

 7'. annulimana. Mg.,- 



*Chersodromia hirta, Wlk., 

 * Tachydromia pectoralis, Fin.. 

 *7\ annulata, Fin., - 



June. Frankfield. 

 Sept, Craigallion Loch. 

 August. Murroch Glen. 

 June. Hawkhead Est. 

 June — August. Mkld. Canal ; 



Frankfield. A smaller and 



darker species than the 



preceding one ; the median 



thoracic stripes are further 



apart, the acrostical bristles 



being in four rows. 

 July — August. Blairmore ; 



Glen Massan ; South Bute ; 



Mount Stuart ; Frankfield. 

 July — August. Mount Stuart; 



Com. at Frankfield. 

 August. Cardross. 

 July. Mount Stuart. 

 Sept. Murroch Glen. 

 July. South Bute; Mount 



Stuart. 

 August — September. Gorge of 



Avon ; Stepps Wood. 

 July. Mount Stuart. 

 June — August. Glen Massan ; 



Frankfield ; A rdentinny ; 



Blairmore. 

 June. Gailes. 

 July. Mount Stuart. 

 June — July. Erskine ; Possil 



M. ; Frankfield ; Mt. Stuart. 



Fam. DOLICHOPODID.E. 

 *Pcecilobothrus ducalis, Lw., - July. Mount Stuart. 



*IIercostomus atrovirens, Lw., 

 ** Hypophyllus obscurellus, Fin. 

 Machaerium maritimce. Hal., 



Julv. 

 July. 

 August. 



South Bute. 

 Mount Stuart. 

 Cardross. 



Xiphandrium appendiculatu7n,Ztt., June. Erskine. 



% X. brevicome, Curt. 



August. 



Cardross. 



