TERRESTRIAL ACARI OF THE TYNE PROVINCE 63 



LAELASPIS, Bed. 



• Type : astronomicus, Berl. 



76. Laelaspis equitans, Mich. 



Myrmecophilous. Very broad, acuminate behind, 



with long spiny dorsal hairs, 

 MYRMONYSSUS, Berl. 

 Type : diplogenius, Berl. 

 All myrmecophilous. Tarsi bearing a caruncle 



without claws. Ventral scutum of ? acuminate 



behind remote from the anal. 



77. Myrmonyssus acuminatus, Berl. .66. 



Birtley, with Formica fusca. 



PSEUDOPARASITUS, Oud. 



Type : vieridionalis^ Cann. 



78. Pseudoparasitus yneridionalis, Cann. 



Ireland, debris from nests of sea-birds, Clare Island. 

 Also with Formica fusca, county Dublin. 



AMBLYSEIUS, Berl. 



Type : obtusus, K. 



Small ovate species conspicuous by reason of three 

 pairs of long simple flexuous setas, one pair 

 scapular, one posterior, the other postero-lateral. 

 I. Dorsum truncate behind ... ... ... ... obtusus. 



,, rounded behind ... ... ... ... fcenalis. 



79. Amblyseius obtusus, K. 67. 



West Allendale : barns, stables, &c., in hay litter. 



80. Aifiblyseiiis foenalis, Berl. 



Leicestershire, under pieces of wood about a farm- 

 stead. 



EPISEIUS, nom. nov. 



Type : serrahis, Halb. 



This is the Faraseius, Tragardh of Halbert, of which 

 unfortunately the type is an Epicrius {E. fnollis). 



