Y. parenthesella (Linn.) Res., 1856-1979. Quercus spp. Wdspd and c. 48 *Wanstead (Miller, 1857). Y. ustella (Clerck.) Res., 1869-1979. Quercus spp. Wdspd and v.c. 49 *High Beach (Boyd diary). Y. sequella (Clerck) Res., 1892-1979. Acer campestre. Loc. and rather r. but spreading. VC 18. 49 *Epping Forest, from J.A. Clark (Bankes notebook); 59 Coxtie Green (PJW); 50 Stondon Massey, 1965 (DCT); 67 Grays Chalk Pit, 1968 (RT); 69 Ingrave, 1976 (IM); 78 Benfleet, 1977 (KRT&JEC); 88 Hadleigh (DGD). VC 19. 30 Waltham Abbey (DJLA); 52 Quendon; 53 Saffron Walden, f.c; 54 Little Hales Wood; 63 Hempstead; 64 Great Bendysh Wood; Helions Bumpstead (AME) y. vittella (Linn.) Res.. 1895-1980. Ulmus. Generally distributed (VCH), but apparently decreasing, perhaps because of Dutch elm disease. VC 18. 68 Mucking by CRNB (Pierce, 1918); 78 Benfleet, 1932 (SW); 88 Westcliff-on-Sea (DGD); *Southend, 1895(FGW). VC 19.30Waltham Abbey (DJLA); 52 Quendon; 53 Saffron Walden; 54 Shadwell Wood NR; 01 Fingringhoe Wick NR (AME). Plutella xylostella (Linn.) Res., 1898-1980. Cruciferae. Wdspd and often abdt. 69 *Brentwood (Burrows diary). P. porrectella (Linn.) Res., 1898-1980. Hesperis. Loc, sometimes c. VC 18. 39 Chingford (PH); 50 Stondon Massey (DCT); 88 *Southend (Whittle, 1899b) VC 19. 53 Saffron Walden (AME); 81 Tiptree (SW); 02 Colchester, c. (VCH). Eidophasia messingiella (Fisch. v. Rossi.) Res., 1864-1980. Cardamine amara, Cardaria. Loc. and seldom c. VC 18.57 West Thurrock (AME); Rainham, 1976-1979 (GSR); 67 Grays Chalk Pit (DJLA); 68 Stanford-le-Hope, Mucking, 1956 onwards (SW, RT). VC 19. 53 *Saffron Walden, one by WRJ in 1864 (Stainton, 1866-1867); one 1976 (AME); 82 Chalkney Wood (DJLA). Orthotaelia sparganella (Thunb.) Res., (1834)-1977. Sparganium, Iris, Glyceria. Loc. and rather r. VC 18. 38 *Walthamstow (Stephens, 1834: 196); 48 Wanstead f.c. (VCH); 58 Rainham, one 1977 (GSR); 78 Pitsea (Whittle, 1908); 90 Bradwell-on-Sea, r. (AJD). VC 19.60 Writtle A.C.; 23 Dovercourt, one 1 Aug. 1911 (Mathew, 1912a). Digitivalva perlepidella (Staint.) Res., 1979-1980. Inula conyza. V. loc. c. VC 18.57 West Thurrock (DJLA); 67 *Grays Chalk Pit, reared (AME). D. pulicariae (Klimesch) ?Res., 1965: perhaps overlooked. Pulicaria. V. loc. and r. VC 19.53 Rowney Wood, one after hibernation (AME). 60