Hertfordshire & Middlesex Branch

Wood White

Leptidea sinapis

Once resident - now extinct

Male	Female	Pairing
© Sandra Standbridge 2006	Oxfordshire © Darin Stanley	Surrey © Dave Miller 2010

Only a single breeding colony of the Wood White has ever been known for Hertfordshire which remained until the 1970s when it was decimated by a single collector (Sawford, 1987)

Orange-tip

Anthocaris cardamines

Widespread & common

Male	Female	Underside
Coppets Wood © Miles Attenborough 12 May 2019	Stanwell Moor © Dave Miller 2010	© Nick Sampford 2003
Mating pair	ab. antiquincunx - reduced discoidal spot	Newly laid eggs on Garlic Mustard
Wareside © Phil MacMurdie 2008	Ickenham © Sezar Hikmet 2009	Bishop's Stortford © Bob Clift 16 May 2017
Eggs on Garlic Mustard	1st instar larvae	4th/5th instar larva
Bishop's Stortford garden © Bob Clift 14 May 2016	Harmondsworth Moor © Dave Miller 2010	Ware © Liz Goodyear 2005
Larva pupating	Pupa - green form	Pupa - brown form
Bishop's Stortford © Bob Clift 25 Jun 2016	Bishop's Stortford © Bob Clift 26 Jun 2016	Bishop's Stortford © Bob Clift 16 Apr 2015

Large White

Pieris brassicae

Widespread & common

Male	Female	Male Underside
Near Heathrow © Dave Miller 9 May 2016	Stanwell Moor © Dave Miller 24 Aug 2019	Bishop's Stortford © Bob Clift 21 May 2017
Female Underside	Mating pair	Eggs on nasturtium
Stanwell Moor © Dave Miller 21 Aug 2019	Stanwell Moor © Dave Miller 22 Apr 2018	Stevenage garden © Peter Clarke 10 Sep 2018
1st instar larvae on nasturtium	4th instar larva on nasturtium	Pupa
Stevenage garden © Peter Clarke 17 Sep 2018	Yorkshire garden © Dave Miller 25 Aug 2015	Yorkshire garden © Dave Miller 25 Aug 2014

Small White

Pieris rapae

Widespread & common

Male	Female	Female Underside
Bishop's Stortford © Bob Clift 1 Jul 2017	Stanwell Moor © Dave Miller 23 May 2018	© Clive Burrows 2004
	Mating pair
	Stevenage Leisure Park © Peter Clarke 13 Apr 2016

Green-veined White

Pieris napi

Widespread & common

Male - spring brood	Male - summer brood	Female - spring brood
Bishop's Stortford © Bob Clift 17 Apr 2019	Near Heathrow © Dave Miller 17 Aug 2017	Near Heathrow © Dave Miller 9 May 2016
Female - summer brood	Underside	Mating pair
Near Heathrow © Dave Miller 25 Aug 2016	Coppets Wood © Miles Attenborough 21 Apr 2019	Stevenage © Steve Lane 2005
Mud puddling whites by the pond	Egg
Fir and Pond Wood © David Gompertz 2010	Stanwell Moor © Dave Miller 2010

Clouded Yellow

Colias crocea

Less common migrant

Male	Female	Female helice form
© Trevor Chapman 2006	Stanwell Moor © Dave Miller 22 Sep 2019	Hertfordshire © Andrew Middleton 2006
	Open-winged shot
	Thorley Wash © Bob Clift 9 Aug 2013

Brimstone

Gonepteryx rhamni

Widespread

Male	Female (summer brood)	Female egg-laying
Abbots Langley © Clive Burrows 27 Feb 2019	Stanwell Moor © Dave Miller 23 Jul 2019	Letchworth © Roger Millard 17 Apr 2019
In flight	In ivy	Aberration - extra spot on hindwing
Stanwell Moor © Dave Miller 24 Mar 2019	Stanwell Moor © Dave Miller 29 Mar 2019	Bishop's Stortford © Bob Clift 6 Apr 2017
Eggs on buckthorn	Larva 1st instar	Larva final instar
Stevenage © Peter Clarke 7 May 2016	Stevenage © Peter Clarke 12 May 2016	Bishop's Stortford © Bob Clift 13 Jun 2017