''Aglaothorax longipennis'', the Santa Monica shieldback katydid, is a species of

insect Insects (from Latin ') are Hexapoda, hexapod invertebrates of the class (biology), class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (Insect morphology#Head, head, ...

in the family

Tettigoniidae Insects in the family (biology), family Tettigoniidae are commonly called katydids (especially in North America) or bush crickets. They have previously been known as "long-horned grasshoppers". More than 8,000 species are known. Part of the subo ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

Distribution

This species has been studied at

Topanga State Park Topanga State Park () is a California state park located in the Santa Monica Mountains, within Los Angeles County, California. It is part of the Santa Monica Mountains National Recreation Area. The park is located adjacent to the Topanga neigh ...

References

Tettigoniidae Endemic insects of the United States Critically endangered fauna of the United States Insects described in 1981 Taxonomy articles created by Polbot {{tettigoniidae-stub