TERRESTRIAL ACARI OF THE TYNE PROVINCE 27 



34. Belaustium quisquiliarum, Herm. 66, 67, 68. 



Abundant in moss and at the roots of grass in 

 summer. 



Not recorded for Ireland, but probably distributed 

 quite generally. 



35. Belaustium tardum, Halbert. 



West coast of Ireland, under stones. (Fig. 63). 



36. Belaustium scopularium, sp. nov. 



Body very long and narrow (1,850/^ X 700/x) like the 

 next species, but distinguished from that and from 

 all the rest by the form of the dorsal trichomes — 

 fusiform, acute, thickly clothed with appressed 

 spinules. The post-thoracic furrow is incon- 

 spicuous, and the prodorsum (or cephalothorax) is 

 very small compared with the rest of the body. 

 Crista normal, apical presensillar setae two. Setae 

 of the legs simple. (Fig. 64, 65). 



Colour light red. A single example was taken on 

 the sandhills at St. Anne's-on-the-Sea, Lancashire, 



37. Belaustium harrisonii, sp. nov. 66. 



Body long and narrow (1,500//, X 6oo/a) like that of 

 the preceding, the pubescence simple but dense — 

 more so than in any other species. Prodorsum 

 small, transverse furrow inconspicuous. Pre- 

 sensillar setae 2. (Fig. 61, 62). 



Colour red, but the dense pubescence gives the 

 animal a greyish brown appearance. Probably 

 maritime or sub-maritime ; taken by Dr. Harrison 

 in Greatham marshes. 



38. Belaustium sabulosum, Halbert. 66. 



Greatham marshes (Dr. Harrison). 

 Ireland (coast sandhills). 



