Vernacular name
Scientific name
First sighting
Approximate Location
Recorder
Brimstone Gonepteryx rhamni
11.03.09
Fulford VC62
Paz Fletcher
Brown Argus Aricia agestis
14.06.09
Brockadales VC63
Paul Brothers & Julian Matthews
Clouded Yellow Colias croceus
02.06.09
Primrose Valley VC62
Syd Cochrane
Comma Polygonia c-album
15.03.09

Headingley VC63
York VC62
High Batts NR VC64
Ilkley VC64

Sally Whale
Jesika and Jim Bone
Jill Warwick
Dave Howson

Common Blue Polyommatus icarus
20.05.09
Saltend, Hull VC61
Steve Bamford
Dark Green Fritillary Argynnis aglaja 24.06.09
Lindrick Common VC63
David Plews
Dingy Skipper Erynnis tages
02.05.09
Sprotborough VC63
Tony Butler
Duke of Burgundy Hamearis lucina
23.05.09 
Yorkshire
Dave O'Brien
Robert Parks
Gatekeeper Pyronia tithonus
24.06.09
Lindrick Common VC63
David Plews
Grayling Hipparchia semele
02.07.09
South Gare
Ian and Gillian Edgar
Green Hairstreak Callophrys rubi
03.04.09 
Shipley Glen VC63
John Gavaghan
Green-veined White Pieris napi
04.04.09
York VC62
Jim and Jesika Bone
Holly Blue Celastrina argiolus
10.04.09
Withernsea VC61
Howard and Christine Frost
Large Heath Coenonympha tullia
14.06.09
Thorne Moors VC61
Michael Flowers
Large Skipper Ochlodes venata
 25.05.09
Skelton VC62
Damian Money
Large White Pieris brassicae
17.03.09 
York VC62
Terry Crawford
Marbled White Melanargia galathea
15.06.09
Brockadales VC63
Hubert Hung
Meadow Brown Maniola jurtina
02.06.02
Topcliffe VC62
Richard Bennett
Northern Brown Argus Aricia artaxerxes
29.05.09 
Kettlewell VC64
Derek Parksinson
Orange-tip Anthocharis cardamines
01.04.09
Fairburn Ings VC63
Steve Graham
Painted Lady Vanessa cardui
22.02.09
Flamborough VC62
Ian Marshall
Peacock Inachis io
18.01.09
Wath-upon-Dearne VC63
David Plews
Pearl-bordered Fritillary Boloria euphrosyne
23.05.09
Yorkshire

John Brookes
Paul Kipling
Dave Wainwright

Purple Hairstreak Neozephyrus quercus
02.07.09
Cross Gates Leeds VC63
Paul Brothers and Julian Matthews
Red Admiral Vanessa atalanta
21.02.09
York VC62
Jim and Jesika Bone
Ringlet Aphantopus hyperantus
02.06.02
Topcliffe VC62
Richard Bennett
Small Copper Lycaena phlaeas
21.04.09
Fairburn Ings VC63
Paul Brothers
Small Heath Coenonympha pamphilus
09.05.09
Hook VC61
Steve Bamford
Small Pearl-bordered Fritillary Boloria selene
31.05.09
Deepdale VC62
Lee and Jax Westmoreland  
Small Skipper Thymelicus sylvestris
13.06.09
Scarborough VC62
Belinda Robson
Small Tortoiseshell Aglais urticae
21.01.09
Whitby VC62
Graham Featherstone
Small White Pieris rapae
17.03.09
Scarborough VC62
Skelton VC62
Lee Westmoreland
Damian Money
Speckled Wood Pararge aegeria
01.04.09
Fairburn Ings VC63
Steve Graham
Wall Lasiommata megera
03.05.09
Fairburn Ings VC63
Paul Brothers
White-letter Hairstreak Satyrium w-album
 26.06.09
Knaresborough VC64
Paz Fletcher