S. crataegella (Klimesch) Res., 1969-1980. Crataegus. Wdspd and abdt. 53 *Saffron Walden (AME). S. betulicola (Staint.) Res., 1975-1980. Betula. Loc. and rather r., seldom found except on young saplings. VC 18. 49 Epping and Hainault Forests; 50 Ongar Park Wood; 67 Grays Chalk Pit; 70 Little Baddow; 88 Hadleigh Great Wood. VC 19. 73 Shardlowe's Wood; 81 Tiptree Heath; 91 Pods Wood; 01 *Fingringhoe Wick NR (AME). S. microtheriella (Haw.) Res., (1903)-1980. Corylus, Carpinus. Wdspd and abdt; partheno- genetic.leading to abnormal local abundance, over 30 mines sometimes occurring in a single hazel leaf. *Common (VCH). S. luteella (Staint.) Res., 1967-1979. Betula. Wdspd and the most c. of the birch-feeding nepticulids. 53 *Rowney Wood (AME). S. distinguenda (Hein.) Res., 1970-1979. Betula. Loc. and rather unc. VC 18. 38 Whipps Cross; 49 Epping and Hainault Forests; 67 Grays Chalk Pit; 69 Thorndon Park; 70 Backwarden and Pheasanthouse Wood NRs. VC 19.53 *Quendon, a single mine; 81 Tiptree Heath; 82 Chalkney Wood; 92 Kingsford Bridge Marsh NR; 01 Fingringhoe Wick NR; 02 Roman River; 11 Maldon Wood; 12 Weeleyhall Wood NR (AME). S. glutinosae (Staint.) Res., 1970-1979. Alnus. Wdspd and c, apparently extending its range. 53*Saffron Walden (AME). S. alnetella (Staint.) Res., (1899)-1979. Alnus. Loc. f.c. VC 18. 57 Purfleet; 59 Navestock (AME); 69 *Brentwood by GE (Tutt, 1899:265); 70 Little Baddow. VC 19. 53 Saffron Walden; 73 Great Yeldham; 83 Loshes NR, Great Henny; 92 Kingsford Bridge Marsh NR; Berechurch (AME). S. lapponica (Wocke) Res., 1968-1980. Betula. Wdspd and sometimes c. 53 *Rowney Wood (AME). S. confusella (Wood) Res., 1968-1980. Betula. Wdspd and sometimes c. 53 *Rowney Wood (AME). Johansoni acetosae (Staint.) NRR, 1892. Rumex acetosa, R. acetosella. VC 18. 78 Benfleet, on the evidence of three parasites reared from this species in coll. Whittle (BMNH). Whittle could not have mistaken the larvae for any other species. 34