Might be the exoskeletons of aphids that were shed when they grow. If they're moving then I'm wrong. Back off on nitrogen feeding and the aphids should leave. Same thing with whiteflies if you ever get them.

The white ones are end-stage larvae (nymphs) of leaf-footed bugs -Family Coreidae (see link below to learn all about them). See the 6 legs with the black flat feet? I can't tell yet which one it is for sure. There are many members of the family, some harmful and some kind of beneficial and from the body shape my best guess at this time would be one of the beneficials as they have the longer, narrower body as opposed to the "shield" members of the family such as squash bugs.

But it's just a guess. ;)

Your main problem is all the aphids as you have 3 different types of them. I would suggest hosing off the plants well to get rid of them all and if they mass again try the soapy water spray recipe.

Good Luck with the garden.

Dave

Here is a link that might be useful: Leaf-footed bug families

I also think they could be the cast-off skins of aphids and various nymphal stages of aphids. Aphids come in so many colors and several nymph stages. Some even look all blown up like a balloon and that is a parasitized aphid which is a good sign. A 10X hands lens is great to look at them closely.

http://www.ipm.uiuc.edu/vegetables/insects/aphids/popup01.html

Go down to plate 4 and you will see aphids.
http://edis.ifas.ufl.edu/in024

Leaffooted bugs are my arch enemy (:). Not familar with white nymphal stage.

http://www.humblewildlife.com/pages/bug/upclose/images/leaffootednymph.jpg

Here is a link that might be useful: Aphids

Yep. The white things are cast skins of aphids.

The other, sort of grayish things, are the living, breathing, sucking aphids!

I really appreciate the responses. On close examination using a magnifying glass I could see that the white "bugs" were not alive and could identify they were hollow shells.

I went out early this morning with a spray bottle of Safer Insect soap figuring I'd probably need to purchase several more bottles for all 32 of my plants. As it happened, I only found aphids on three plants and only on a couple of leaves of those. The largest concentration was about a dozen on 1 leaf.

Do you folks consider ANY aphids to be a problem or is there a certain number when you become concerned?

Thanks,
Terry Light
Oak Hill, Virginia