PLANT GALLS
Galls on creosote bush, formed by the
creosote gall midge (Asphondylia sp.). A young
gall is shown on the left, and a mature, dead gall on the
right.
Old gall on sagebush
Young gall on sagebush
small galls on leaves of
triangle-leaf bursage
Gall on saltbush
Saltbush gall broken open to show
separate chambers where grubs develop (click on the image
to see a larger version showing one grub at bottom right)
Oak "apple" gall
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Invertebrate gallery
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