Pseudopsallus angularis
(Uhler, 1894)
yerba santa plant bug
Pseudopsallus angularis is a of plant bug in the Miridae. It is distributed across western North America from the southwestern United States into northwestern Mexico, with records from California, Nevada, Oregon, Arizona, and Baja California. The species is associated with yerba santa (Eriodictyon species) and related plants.
Pronunciation
How to pronounce Pseudopsallus angularis: /ˌsjuːdoʊpˈsæləs æŋˈɡjʊlərɪs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from other Pseudopsallus by the angular pronotal margins referenced in the specific epithet. As a member of the Phylinae , it exhibits the characteristic small size and often mottled or patterned coloration typical of phyline plant bugs. Definitive identification requires examination of male genitalia and comparison with .
Habitat
Associated with chaparral and coastal sage scrub where plants in the Boraginaceae (particularly Eriodictyon, yerba santa) occur. Found in dry, rocky slopes and canyon environments of Mediterranean-type climate zones.
Distribution
Western North America: United States (California, Nevada, Oregon, Arizona) and Mexico (Baja California Norte). GBIF records indicate presence across these regions with concentration in California and adjacent states.
Diet
Phytophagous, feeding on plant tissues of Eriodictyon (yerba santa) and related Boraginaceae. Specific feeding habits documented through plant records rather than direct observation.
Host Associations
- Eriodictyon californicum - primary yerba santa
- Eriodictyon trichocalyx - hairy yerba santa
- Eriodictyon crassifolium - thickleaf yerba santa
Ecological Role
Herbivore in chaparral and coastal sage scrub . likely influenced by fire regimes affecting plant distribution.
Human Relevance
Minor relevance; not known as agricultural pest. Presence indicates healthy native plant with yerba santa. Potential interest for conservation monitoring of chaparral .
Similar Taxa
- Pseudopsallus occidentalisOverlapping distribution in western North America; distinguished by differences in pronotal shape and male genitalia
- Pseudopsallus vanduzeeiSympatric in California; requires genitalic examination for separation