What
Bulbine Lilies (Genus Bulbine)Observer
ctruboDescription
Planted along bike trail.
Bulbine frutescens maybe?
Photos / Sounds
What
Spined Turban Gall Wasp (Cynips douglasii)Observer
ctruboDescription
Host: scrub oak
Photos / Sounds
What
Clustered Gall Wasp (Andricus brunneus)Observer
ctruboDescription
Host: scrub oak (https://www.inaturalist.org/observations/175648919)
Midrib of leaf underside.
Photos / Sounds
What
Beaked Twig Gall Wasp (Burnettweldia plumbella)Observer
ctruboDescription
Host: Quercus, possibly Q. berberidifolia × engelmannii, https://www.inaturalist.org/observations/175648919
Photos / Sounds
What
Poplar Budgall Mite (Aceria parapopuli)Observer
ctruboDescription
Host: Populus tremuloides.
Photos / Sounds
What
Ragweed Gall Mite (Aceria boycei)Observer
ctruboDescription
Host: Ambrosia psilostachya
Photos / Sounds
What
Genus UroleuconObserver
ctruboDescription
On Baccharis salicifolia, host specific.
https://www.researchgate.net/figure/The-dietary-specialist-herbivore-Uroleucon-macolai-Blanchard-top-and-the-generalist_fig2_224053198
What
Mule Fat Blister Mite (Aceria baccharices)Observer
ctruboDescription
Host: Baccharis salicifolia
Photos / Sounds
What
Potato Gall Midge (Rabdophaga salicisbatatus)Observer
ctruboDescription
Host: arroyo willow
Observation in for large galls on stem.
Photos / Sounds
What
Three-lined Potato Beetle (Lema daturaphila)Observer
ctruboDescription
Host: Datura wrightii
Covered with their own excrement.
What
Five-spotted Hawk Moth (Manduca quinquemaculatus)Observer
ctruboDescription
Host: Datura wrightii
Photos / Sounds
What
Willow Leaf Blotch Miner Moth (Micrurapteryx salicifoliella)Observer
ctruboDescription
Host: arroyo willow
Images of top and bottom surface.
Photos / Sounds
What
Ray-finned Fishes (Class Actinopterygii)Observer
ctruboDescription
Found in beached seaweed and attached to grass by fibrous material. I think these are fish eggs but I don't know what kind. Eggs attached to each other by stretchy fibers (image).