Bumble bee question

[sho220]

Do bumble bees get more yellow in them as they grow? My first clutch of the year is hatching and it looks to be 3 bees, 2 pastels, and 2 normals. Not all are out of the eggs yet, but 2 pastels and 1 bumble bee are. I don't see any yellow, he's more of a creamy and pinkish color. I'll post pics when all have hatched.

Thanks

They'll actually get brighter first and then slowly dull some...depending on the quality of the Pastel...A good Pastel will cause them to keep most of the yellow and white...the backs will brown out some...but the yellow and white will still be there...


This is fresh out of the egg...


This is a couple months old...