198 THE ENTOMOLOGIST’S RECORD. 
Group OLIGOTROPHARIA. 
Rhopalomyia syngenesiae, H. Loew. 
On same plants as Clinorrhyncha chrysanthemi. 
NoRTHUMBERLAND, Ovingham. Dvuruam, Hylton, R.S.B., Birtley, 
J.W.H.H. Lancasurre, Freshfield, and Cursuire, Bidston Hill, R.S.B. 
Oligotrophus fagineus, Kieff. 
Beech leaves. 
Durxam, Lambton, a few only on one leaf, J.W.H.H. 
Janetiella thymi, Kieff. 
Various records from Northumberland, Durham and Lancashire, 
J.W.H.H. and R.S.B., in 1915. 
Janetiella tuberculi, Ribs. 
Broom. 
NorTHUMBERLAND and Duruam, a few examples on the Derwent 
banks (separating the two counties) between Edmondbyers and Esper- 
shields. Duruam, in a lane between Newbiggin and Rowley, not un- 
common, R.S.B. 
Mayetiola radicifica, Ribs. 
Duruam, on a meadow-grass (Poa nemoralis), in a dene at Ryhope, 
NorTHUMBERLAND, Ovingham, and Cumperuanp, Nenthead, H. S. 
Wallace. 
Mayetiola moliniae, Ribs. 
Purple moor grass (Molinia caerulea). 
CuesuireE, Bidston Hill, R.S.B. Duruam, Birtley Fell, Lanchester, 
J.W.H.H. 
Cystiphora hieracii, F. Loew. 
Lancasuire, on a hawkweed (Hieraciwn sp.), Ainsdale, June, R.8.B. 
Rhabdophaga dubia, Kieff. 
On Salix cinerea and S. aurita. 
NortTHuMBERLAND, Ninebanks, J.W.H.H. Duream, near Chester- 
le-Street, R.S.B. 
Rhabdophaga nervorum, Kieff. 
Midrib of leaf, Salix alba (young). 
Lancasuire, Ainsdale and Freshfield, R.S.B. 
Rhabdophaga karschi, Wieff. 
Duruam, on Salia: repens, Birtley, rare, J.W.H.H. Lancasuire, on 
S. cinerea, rare, Freshfield, R.S.B. NortaHumBEeRLanD, on S. cinerea, 
Ninebanks, J.W.H.H. 
Perrisia iteobia, Kieff. 
NorTHUMBERLAND, On Salix cinerea, Ninebanks, J.W.H.H. 
Perrisia pierreana, Kieff. (Houard no. 892 (S. 42)). 
Salix cinerea. 
Durnam, undoubted examples from near Chester-le-Street. Also 
some old specimens which are characterised by a curved channel, most 
often in the shape of a horse-shoe, on a somewhat flattened surface. 
Lancasuire, near Ainsdale, old specimens as described above, R.S.B. 
