''Tanystoma'' is a genus of

beetle Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 40 ...

s in the family

Carabidae Ground beetles are a large, cosmopolitan family of beetles, the Carabidae, with more than 40,000 species worldwide, around 2,000 of which are found in North America and 2,700 in Europe. As of 2015, it is one of the 10 most species-rich animal ...

. They are native to the

Pacific Coast Pacific coast may be used to reference any coastline that borders the Pacific Ocean. Geography Americas North America Countries on the western side of North America have a Pacific coast as their western or south-western border. One of th ...

of North America from

Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

Baja California Baja California, officially the Free and Sovereign State of Baja California, is a state in Mexico. It is the northwesternmost of the 32 federal entities of Mexico. Before becoming a state in 1952, the area was known as the North Territory of B ...

. Species include:

Species

These five species belong to the genus ''Tanystoma'': * '' Tanystoma cuyama'' Liebherr, 1985 * '' Tanystoma diabolicum'' Liebherr, 1989 * '' Tanystoma maculicolle'' (Dejean, 1828) (tule beetle) * '' Tanystoma striatum'' (Dejean, 1828) * '' Tanystoma sulcatum'' (Dejean, 1828)

References

Platyninae Insects of Mexico Insects of the United States Fauna of the California chaparral and woodlands {{Platyninae-stub