Comma at Grovelands Park, Southgate. 1 Comma at Grovelands Park at 1247 GMT. [Posted by Robert Mark Callf]
Brown Hairstreak. One Brown Hairstreak egg found a Hampstead Heath. [Posted by Rohan Harris]
Hibernation watch. St Albans shed - All four of the remaining Small Tortoiseshells in my shed have flown this week. However both Peacocks are still in residence [Posted by Malcolm HULL]
Brown Hairstreak. Returned to Northwick Park, the Brown Hairstreak egg that was submitted yesterday that appeared to be emerging was empty and the larva located 15cm away on a bud which it then entered. [Posted by Rohan Harris]
Peacock at Enfield. 6 Peacock - 2 at a private site near Trent Park & 1 at another private site near Trent Park & 3 at Trent Park. [Posted by Robert Mark Callf]
Butterfly Sightings, Hounslow. A Brimstone, 2 Peacocks and a Small Tortoiseshell on the golf course area, 3 Peacocks on the Marshalling Yard and 3 more down by the railway on the heath. [Posted by Pete Gore]
Northwick and Roxbourne Park. Northwick Park: Seven Brown Hairstreak eggs found (including one that appeared to have the larva emerging from it). Adults also seen: 3 Brimstone, 1 Comma, 1 Peacock and 1 Small White. Roxbourne Park: Two Brown Hairstreak eggs found and one adult Peacock seen [Posted by Rohan Harris]
Brimstone, Comma & Peacock at Enfield. Male Brimstone nectaring on Blackthorn blossom at private site in Enfield near Trent Park. Male Brimstone at Bincote Road, EN2. 2 male Brimstone, 2 Comma & 2 Peacock near Boxer's Lake Play Area this afternoon. Male Brimstone and Comma at Oakwood Station. [Posted by Robert Mark Callf]
Brown Hairstreak. A further ten Brown Hairstreak eggs found at Northwick Park. [Posted by Rohan Harris]
Brimstones on the move. At 11:30 and despite being mild; although not that sunny, two male Brimstones were seen to almost simultaneously fly across my Ware garden - heading for my nearby flowering blackthorn. There is a lot of ivy in the gardens and I suspect they had either been roosting or hibernating there. Also later a Peacock was seen. [Posted by Liz Goodyear]
Small Tortoiseshell. A Small Tortoiseshell in my Royston Garden today. Surprisingly late for a first branch report. Also a Peacock out on Therfield Heath [Posted by Nick Keep]
Orange/Light Orange Underwing at Enfield. 3 Orange/Light Orange Underwing together in flight at private site near Trent Park this afternoon at 1541 GMT. [Posted by Robert Mark Callf]
Brown Hairstreak. A Brown Hairstreak egg found at Neasden Recreation Ground to the south of Brent Reservoir. At Regents Park two eggs found. [Posted by Rohan Harris]
Speckled Wood. Seen at Abbots Langley 1130 am [Posted by Clive Burrows]
Comma & Peacock at Trent Park. 1 Comma settled in bracken clearing SW edge of Rough Lot at 1200 GMT & 1 Peacock along Leeging Beech Gutter near Water Garden at 1234 GMT. [Posted by Robert Mark Callf]
Peacock at Trent Park. 1 Peacock along SW edge of Rough Lot/Trent Park this afternoon at 1225 GMT [Posted by Robert Mark Callf]
Rickmansworth. Brimstone adj UP tube line at stn 1248hrs - my first butterfly of 2024 [Posted by T. M. Mylett]
Brown Hairstreak. Brown Hairstreak egg found at new location on Hampstead Heath. [Posted by Rohan Harris]
Brimstone at Oakwood. Reported sighting of a Brimstone at Oakwood Station this afternoon at 1315 GMT by Eugene Dillon-Hooper. [Posted by Robert Mark Callf]
Peacock at Enfield. 3 Peacock at Enfield - two together on private land & one at Enfield Road near Jolly Farmers PH. [Posted by Robert Mark Callf]