A greenhorn lepidopterist at large in suburban London

Berrylands Station is on the London Waterloo to Hampton Court line between New Malden and Surbiton, a 25 minute train journey from central London. I became aware of its potential for attracting moths in late August 2008. The station is situated on an embankment with the Hogsmill Sewage Farm directly to the north and a typical mix of suburban houses and gardens to the south. The elevated aspect of the station and the comparative lack of domestic and street lighting in the immediate area mean that it acts like a huge moth trap, there are white-painted covered waiting areas and staircases on both platforms, these are illuminated at night and most of the moths are found in these areas. What follows is my attempt as a novice lepidopterist to record and catalogue all the macro moths I encounter on my daily commute to work along with the occasional "awayday" in search of other British lepidoptera .

Wednesday, April 13, 2016

Single-dotted Wave

Idaea dimidiata


2009: recorded on 17 dates between June 17th and September 14th, all singles except for two on July 1st, 3rd & 17th and August 3rd.
2010: recorded on 15 dates between July 10th and August 31st, all singles except for two on August 5th & 11th and three on August 17th.
2011: recorded on 21 dates between May 31st and August 25th, all singles except for two on July 5th, 15th & 21st and a peak count f seven on July 28th.
2012: recorded on 10 dates between June 28th and August 20th, all singles except for two on July 8th.
2013: singles on July 15th & 24th and August 2nd, 6th & 12th, two on August 1st.
2014: recorded on 13 dates between June 5th and July 30th, all singles except for two on July 3rd & 30th and three on July 10th, 23rd & 24th.
2015: recorded on 18 dates between June 24th and August 7th, all singles except for two on July 7th, 17th, 24th & 25th and four on August 1st.
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