NEW AND RARE BRITISH CECIDOMYlDiE. 209 



Scotland, North Berwick. 

 Northumberland, Bamburgh, R.S.B. 

 Durham, Penshaw Hill, R.S.B. 



Clinodiplosis hetonicae, Kieff. 



In Betonica officinalis, flower remaining closed. 

 Northumberland, Ninebanks, J.W.H.H. 



Clinodiplosis rosiperda, Riibs. 



Known on the Continent from Rosa centifolia. 

 Durham, on Eosa villosa, Lamesley and Billingham, J.W.H.H. 

 Northumberland, Ovingham, on R. villosa, R.S.B., and Ninebanks, 

 on cultivated roses, J.W.H.H. 



Oliijotrophus alopeciiri, Rent. 



In spikelets of Alopecurns pratensis. 



Northumberland and Durham. Apparently widely distributed and 

 locally common. Records from the three Vice-counties, R.S.B. There 

 is a previous British record. 



Cecidomyid sp. Larvfe white. 

 Cecidomyid sp. Larv^ white, red at each end. 

 Durham, Waldridge, larvae in leaf-sheaths of small species of Carex, 

 R.S.B. 



Cecido)iiyid sp. Houard, supplement, 7872. 



A curious thornlike swelling in the stems of Galium veruni. First 

 described by Cotte from France. 



Scotland, North Berwick, Berwick Law, and Tantallon Castle, 

 locally plentiful. 



Durham, isolated examples on Penshaw Hill, R.S.B. 



CecidoDiyid sp. 



Fusiform, fleshy erect galls, standing about l'5mm. high, inner 

 •cavity well-defined, containing a minute yellow (chamois almost) larva. 

 Found on the upper surface of median nerve of leaf of Achillea 

 millefolium. 



Durham, Hart, about a dozen examples on one small leaf, August 

 4th, 1917, R.S.B. 



Cecidomyid sp. 



On Thalictrnm, dunense. Petioles and folioles shortened and 

 thickened, forming a more or less spongy gall. Larvae gregarious, 

 white. Almost certainly Houard's no. 2443 on T. minus. 



Scotland, North Berwick, R.S.B. 



Northumberland, Warkworth, R.S.B. 



Durham, coast near Hart, R.S.B. 



Cecidomyid sp. a. 

 Cecidomyid sp. b. 



On Astragahis hypoglottis. 



a. Stipules, petioles, and folioles shortened, aborted, forming a 

 " bud-gall " about the size of a cherry-stone ; inclined to be pilose. 

 Larvae creamish-yellow. 



