Trigonoscuta yorbalindae


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Trigonoscuta yorbalindae
Species Authority: Pierce, 1975
Common Name(s):
English Yorba Linda Weevil

Assessment Information [top]

Red List Category & Criteria: Extinct ver 3.1
Year Published: 2014
Date Assessed: 2014-01-10
Assessor(s): Lyal, C.
Reviewer(s): Gerlach, J.
This species was last recorded in 1975. It was only found in desert dunes in the Yorba Linda area of California where urban development has destroyed all suitable habitat. This species is assessed as Extinct.
1996 Extinct

Geographic Range [top]

Range Description:

This species was recorded only from the Yorba Linda area of California, USA.

Regionally extinct:
United States (California)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: No data are available on the population.

Habitat and Ecology [top]

Habitat and Ecology: It was associated with desert dunes.
Systems: Terrestrial

Threats [top]

Major Threat(s): Historically the species was found in dunes in the Yorba Linda area of California. Due to urban development no suitable habitat remains in the area and the species is extinct.

Conservation Actions [top]

Conservation Actions: No conservation actions were taken and the species is now extinct.

Citation: Lyal, C. 2014. Trigonoscuta yorbalindae. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 29 August 2015.
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