Worker termites are pretty standard looking throughout most termite castes. When you compare most pictures of termite workers they will all apear very very similar for that reason.
Termite workers are thin skinned and need to be in contact with damp soil. They tend to look semi-translucent in color, which gives them a whitish appearance.
The termite workers picture below is from a nest that was dug up and exposed.

A close up picture of a termite worker. Since termite workers are blind they find their way around by scent and by feel. It is rare to see termites out in the open like this. The tend to stay underground or in termite shelter tubes that they build to get across open areas.
