478 BRITISH ORIBATID.E. 



and divided by longitudinal ridges or folds. Pseudo- 

 stigmatic organs very like those of the adult but 

 much smaller in proportion. Interlamellar hairs similar 

 to those of the adult. 



Legs short and thick ; hind pair not reaching the 

 posterior margin ; all the tarsi short and rather globose 

 at the proximal ends. The two front pairs have the 

 tactile hair, but not very large. The tarsi have the 

 usual fine hairs ; the other joints are almost hairless. 



Abdomen truncated anteriorly, and the same width 

 as the cepbalothorax where they meet, but the abdomen 

 increases in width for more than half its length. Hind 

 margin rounded, with a scarcely observable central point. 

 The notogaster bears the following folds or rolls, viz. 

 one round the actual anterior margin, widening at the 

 ends and returning along the anterior portion of the 

 lateral margin; three transverse folds about the middle; 

 three folds forming a figure like a broken capital A, 

 anterior to the transverse folds ; and a broad central 

 longitudinal fold posterior to the transverse folds. 

 These markings probably vary in different specimens. 

 The whole surface is slightly rough. There are three 

 short curved clavate hairs on each side of the posterior 

 margin. 



Distribution. — The nymph and perfect form are 

 sometimes found in considerable numbers on the foliage 

 of trees, particularly oaks, about May. I have found 

 it at Dorking in Surrey, and at Epping Forest and the 

 New Forest, but especially in the last-named place ; 

 when found at all it appears to be usually in abundance. 

 I am not aware of its having been recorded hitherto. 



