€•1 THE EKTOMOLOGIST. 



and the other middle oolite, and from Bucks, chalk (L. J. 

 Tremayne). 



Potentilla erecta, Linn. — Xestophanes hrevitarsis, Thorns., was 

 found in North Derbyshire. 



Bosa canina, Linn. — Margins of the leaves rolled tightly down- 

 wards forming a hairy cavity, caused apparently by Eriophyes, sp. 

 Mon. 



Pyrus torminalis, Ehrh. Mite galls of E. pyri, Pagnst., pre- 

 viously recorded from Middlesex, are now recorded from Bucks, Mon., 

 and Herefd. 



P. aria, Ehrh. — E. pyri, Pagnst. W. Glos. and Mon. 



Lonicera periclymemim, Linn. — The upper parts of the leaves 

 curled and crumpled. Occupied by aphides. W. Glos. 



Galium erectum, Huds. — (i) Leaves rolled by Eriophyes galii, 

 Karp. Mon. (ii) Flower Ijuds deformed by Schizomyia galiorum, 

 Kieff. W. Glos. 



G. mollugo, Linn. — (i) Eriophyes galii, Karp. W. Glos., Mon., 

 and Herefd. (ii) Schizomyia galiorum, Kieff. Abundant in W. 

 Glos., and Mon., also in Herefd. (iii) Perrisia galii, H. Low. W. 

 Glos., Mon., and Herefd. 



G. vermn, Linn. — Eriophyes galii, Karp. W. Glos. 



G. aparine, Linn. — Perrisia aparines, Kieff. Surrey (E. B. 

 Bishop). 



Achillea millefolium, Linn. — Gails of the eel-worm, Tylcnclius 

 vnllefolii, F. Low., were found in the Wye Valley on the Gloucester- 

 shire side of the river, in close proximity to the commoner gall caused 

 by the midge, Bhopalomyia millefolii, H. Low. I did not notice 

 either species of the gall elsewhere in the district. 



Senecio jacobcea, Linn. — Flower-lieads swollen l)y Tephritis 

 'niarginata. Fall. W. Glos. 



S. aquaticus. Hill. — Flower-heads swollen, the base of each head 

 l)eing occupied by several very pale yellow midge larvae. W. Glos. 



Centaurea scabiosa, Linn. — Eriophyes ccntaurea, Nal. Surrey 

 (B. B. Bishop). 



Convolvulus arveusis, Linn. — Leaves rolled by E. convolvuli, Nal. 

 Found near Folkestone, Kent, by Miss Burkill. 



Thymus chamcedrys, Fries. — Heads galled by E. Thomasi, Nal. 

 Herefd. (L. J. Tremayne). 



Nepeta hederacea, Trev. — Perrisia glechomoi, Kieff. Herts (L. J. 

 Tremayne) and Mon. 



Lamiuni album, Linn. — Terminal leaves galled l)y Jilacrolabis 

 corrugans, F. Low. Middlesex. 



Plantago maritima, Linn. — A large bed of this plant on the bank 

 of the Severn, West Glos., had many of the stems and heads galled 

 by the larvae of Mccinus collaris, Germar. The plants were often 

 under water as the tide washed over the spot, but the larvae in the 

 galls seemed to be none the worse for tlie periodical immersions of 

 the plants. 



Ulmus glabra, Huds. — Tetraneura ulmi, De Geer. Hants (L. J. 

 Tremayne). 



Salix fragilis, Linn. — (i) The flower-gall thought to be due to 

 Eriophyes triradiatus, Nal., has continued to spread rapidly in the 



