Note the unusual ventral hindwing spotting on this one. Colias are visually simple butterflies but pretty much every character shows substantial variation. This makes for challenging identification if one relies too much on individual characters and character states for their ident calls.
<div dir=3D"ltr">Note the unusual ventral hindwing spotting on this one. Co= lias are visually simple<div>butterflies but pretty much every character sh= ows substantial variation. This makes</div><div>for challenging identificat= ion if one relies too much on individual characters and character</div><div= >states for their ident calls.<br clear=3D"all"><div><br></div>-- <br><div = dir=3D"ltr" class=3D"gmail_signature" data-smartmail=3D"gmail_signature"><d= iv dir=3D"ltr">Norbert Kondla<div>Calgary, Alberta, Canada=C2=A0 (elevation= 1060 metres asl)</div><div><a href=3D"https://www.flickr.com/photos/118126= 948@N03/" target=3D"_blank">https://www.flickr.com/photos/118126948@N03/</a= ><br></div><div><br></div></div></div></div></div>