California tent caterpillar
Malacosoma californica californica
insectView on iNaturalist
Caterpillar with yellow and black striped body in web tents. Feeds on native oaks, willows, and cherries; feeds birds in spring.
Plants that support California tent caterpillar
2 plants
Toyon
Heteromeles arbutifolia
tree
Documented larval host plant, caterpillars feed on foliage Mar-Jun
Bay Area native
Valley Oak
Quercus lobata
tree
Primary host plant; larval development Feb-May
Bay Area nativeKeystone species