When
feeding, the glassy-winged sharpshooter excretes copious amounts
of watery excrement, which dries to give plants a whitewashed appearance. Click here for a high-resolution
image
Glassy-winged
sharpshooter eggs are laid together on the underside of leaves, usually
in groups of 10 to 12. The egg masses appear as small, greenish blisters.
These blisters are easier to observe after the egs hatch, when they
appear as tan to brown scars on the leaves. Click here for a
high-resolution image
A
grapevine showing symptoms of Pierce's disease
Glassy-winged
sharpshooter adults on a grape cane 
The
glassy-winged sharpshooter gets its name from its transparent wings.
The
immature nymphs of glassy-winged sharpshooter are wingless. 
Glassy-winged
sharpshooters are large insects, about 1/2 inch long.
When
feeding, the glassy-winged sharpshooter excretes copious amounts
of watery excrement, which dries to give plants a whitewashed appearance.
The
glassy-winged sharpshooter is shown next to the smaller blue-green
sharpshooter.
Glassy-winged
sharpshooter eggs are laid together on the underside of leaves, usually
in groups of 10 to 12. The egg masses appear as small, greenish blisters.
These blisters are easier to observe after the egs hatch, when they
appear as tan to brown scars on the leaves. 
Parasitized
egg masses are tan to brown in color with small, circular holes
at one end of the eggs.
