Review of the Lepidoptera of Essex for the year 2001
Yponomeutidae
0424 Yponomeuta evonymella An estimated 2000 adults at Wat Tyler CP, Pitsea on 16 Jul (PH).
Many other records across the county in smaller numbers, making 2001 the best year since 1989.
0428 Yponomeuta rorrella Epping Forest, 2 July (TG, BG); Dovercourt, 29 July (CG).
0430 Yponomeuta plumbella Dovercourt, 30 July (CG). Third post-1990 record.
0465 Plutella porrectella Beaumont-cum-Moze, 30 July (JBF); Dovercourt, 18 August (CG); North
Chingford, 30 August (BP).
Coleophoridae
0516 Coleophora trifolii Dovercourt, 16 June (CG). Third post-1990 record; second post-1990
site.
0520 Coleophora fuscicornis Colchester, High Woods CP, 28 May. First British inland record. 4
August, larvae common, including one feeding on Meadow Vetchling Lathyrus pratensis, a
previously unrecorded foodplant (BG).
0573 Coleophora atriplicis Dovercourt, 29 July (CG). First Essex record since 1987.
Elachistidae
0596 Elachista poae Dovercourt, 25 July (CG). First post-1990 record.
Oecophoridae
0701 Agonopterix ocellana Epping Forest, Oak Hill Farm, 7 March (TG); St Osyth, (RA). Fourth
and fifth recent sites.
0702 Agonopterix assimilella Dovercourt, 2 September (CG).
0705 Agonopterix umbellana Dovercourt, 6 September (CG). The only known post-1990 site in
Essex.
Gelechiidae
0724 Metzneria lappella Jaywick, Midway, 6 July (JY, BG); Dovercourt, five from June to July
(CG).
0770 Teleiodes proximella Tiptree Heath, 29 May (BG). First post-1990 record.
0777a Bryotropha dryadella Grays, March, larvae on mosses (DJLA, RH). New to Essex.
0780 Bryotropha similis Dovercourt, 14 August (CG BG). Second post-1990 record.
0800 Gelechia rhombella Dovercourt, 31 July and 3 August (CG, BG). Second post-1990 record.
0825 Phthorimaea operculella Great Bentley, 10 August (JC). New to Essex.
Blastobasidae
0873 Blastobasis lignea Dovercourt, up to 209 per night in late July-early August (CG). This
confirms an upward trend in numbers for this species in recent years, whereas its relative B.
decolorella has become less numerous over the same time.
Momphidae
0891 Mompha sturnipennella Highwoods CP, larval galls, 21 May (JB).
Cosmopterigidae
0903 Chrysoclista linneella Dovercourt, Oakley Road, 29 July (CG, BG).
Tortricidae
0949 Aethes dilucidana Dovercourt, Oakley Road, 31 July and 15 August (CG).
0950 Aethes francillana Frinton-on-Sea, 4 July (BL).
Essex Naturalist (New Series) 19 (2002)
SI