88 THE FAUNA OF SCOTLAND. 



20. A. APERTA, HUj. 



Xystus apertus, Htg., Germ. Zeit. iii. 353. 

 Mugdock, Cambuslaiig. 

 Bonar Bridge. 



21. A. OBSCDRATA, Htg. 



Xystus ohseuratus, Htg., Germ. Zeit. ii. 200. 

 Cambuslang, Gadder, Dumfries, New Galloway. 

 Kingussie. 



22. A. FUSCIPES, Thorns. 

 Allotria fuscipes, Thomson, Oef. xvlii. 410, 18. 

 Clyde near Newton, Dumfries, New Galloway. 

 Bonar Bridge. 



23. A. PICEOMACULATA, Cam. 



Allotria piceomaculatai Cameron, Trans. Ent. Soc, lt83, 367. 

 Dumfries. 



24. A. CALEDONICA, sp. YhOV. 



Castaneous ; the apex of the abdomen black ; legs obscure pallid 

 testaceous ; the femora darker coloured ; antennae infuscated towards 

 the apical half ; wings hyaline, nervures testaceous. Antennae as long 

 as the body, stout, not attenuated towards the apex ; the third joint 

 a little longer than fourth ; the last longer than penultimate, and slightly 

 thinner than it. Radial cellule short, broad ; about one-half longer 

 than broad. 



Length nearly 1 mm. 



Mugdock, 27th July. 



III. Semi-apterous, the wings not reaching heyond the apex of thorax 

 = Pezophyctay Foerster. 



25. A. HALTERATA, Thoms. 

 Allotria halterata^ Thomson, Oef. xviii. 410. 

 Kelvinside, Kenmuir. 



26. A. BRACHYPTERA, Hty. 



Xystus Irachyptera, Htg., Germ. Zeit. ii. 200. 

 Mugdock, Dairy, New Galloway. 

 Bonar Bridge. 



27. A. PEDESTRis, Curtis. 

 Cynips pedestris, Curtis, Brit. Ent. 320, No. 32. 

 Xystus cursor, Htg. , Germ. Zeit. ii. 200. 

 Possil, New Galloway, Mull. 



