This gallery contains 7 photos.
A gall formed on Oregon white oaks (Quercus garryana – see “Oaks in Spring” 03-05-14) by the cynipid wasp Trichoteras tubifaciens is the crystalline tube gall. A tubular-shaped gall covered in short, crystalline hairs, the crystalline tube gall ranges in color … Continue reading
This gallery contains 4 photos.
Most wildflowers have long faded and due to the continuing drought in our area (Northern California) fungi are scarce while the birds are unpredictable and scattered. Thus while wandering about I find myself focusing on usually overlooked subjects. Oaks support … Continue reading
This gallery contains 3 photos.
Many different sawflies, midges, mites and a rust fungus induce galls on the stems and leaves of willow (Salix) species. In the same way that willows are taxonomically complex, the insects that produce these galls are difficult to identify. Much … Continue reading