Tag Archives: polythalamous

Hairy Gall Wasp

This gallery contains 5 photos.

Canyon live oaks (Quercus chrysolepis) are plentiful on Spring Hill (a “satellite” volcanic cone) at the base of Mount Shasta (Shasta County CA). When young, the evergreen, leathery leaves have spiny margins while older leaves are usually entire. Both leaf … Continue reading

Gallery | Tagged , , , , , , | Leave a comment

Oak Club Gall

This gallery contains 3 photos.

Oak club galls form on several oak species when oak club wasps (Andricus coortus) lay their eggs at the tip of new stems in the spring. The oak club is a cynipid wasp. Adult club gall wasps emerge the following … Continue reading

Gallery | Tagged , , , , , , , | Leave a comment