California Oak Moth (Phryganidia californica)
The California oak moth is a member of the family of Notodontidae or prominent moths. They are found along the coasts of the United States, particularly Oregon, and California.
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Scientific Classification
- Family: Notodontidae
- Genus: Phryganidia
- Scientific Name: Phryganidia californica
Description and Identification
Caterpillar
The larvae are black with two yellow mid-dorsal stripes with purple borders running down their entire length. Full-grown larvae reach 3 cm in length.
Younger larvae feed between veins on the lower surfaces of the leaf, while older ones chew entirely through the leaf blade, leaving behind prominent leaf veins.
Pupa
The chrysalis is white or yellow with black markings.
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Adult Moth
Sexual Dimorphism: Present but not prominent.
Color and Appearance
Forewing: When the wings are opened, they are grayish-brown with prominent dark veins. When the wings are closed, they are bordered by dull yellowish scales.
Hindwing: When the wings are opened, they are light gray with dark veins. When the wings are closed, the patterns remain.
Average wingspan: 3 cm
Flight pattern: Consistent
Season: March to November
Egg
These moths’ eggs are laid either on the ground or on the leaves of the host plant.
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Quick Facts
| Distribution | Coastal California and Oregon |
| Habitat | Oak woodlands |
| Lifespan of Adults | Not recorded |
| Host Plants | California oak |
| Adult Diet | Does not feed |
Did You Know
- American entomologist Alpheus Spring Packard Jr. first described this species in 1864.
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Scientific Classification
- Family: Notodontidae
- Genus: Phryganidia
- Scientific Name: Phryganidia californica
