''Arilus'', or wheel bugs, is a genus of

true bugs Hemiptera (; ) is an order of insects, commonly called true bugs, comprising over 80,000 species within groups such as the cicadas, aphids, planthoppers, leafhoppers, assassin bugs, bed bugs, and shield bugs. They range in size from to aroun ...

in the family

Reduviidae The Reduviidae are a large cosmopolitan family of the order Hemiptera (true bugs). Among the Hemiptera and together with the Nabidae almost all species are terrestrial ambush predators: most other predatory Hemiptera are aquatic. The main exampl ...

, subfamily

Harpactorinae The Harpactorinae are a large subfamily of the Reduviidae (assassin bugs). About 300 genera and 2,000 species worldwide have been described. Some of the species of the genera '' Zelus'', ''Pselliopus'', ''Sinea'', and '' Apiomerus'' are of intere ...

and

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...

Harpactorini Harpactorini is a tribe of the Harpactorinae (assassin bugs). This group is the most diverse of the entire assassin bug family, with 51 genera recognized in the Neotropical Region and 289 genera and 2003 species overall. This tribe contains the ...

. Most species are found in the

Americas The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World. Along with th ...

.GBIF: ''Arilus'' Hahn, 1831
/ref>

Species

Five extant species plus one fossil species are included within this genus: * '' Arilus carinatus'' (Forster, 1771) * ''

Arilus cristatus ''Arilus cristatus'', also known as the North American wheel bug, is a species of large assassin bug in the family Reduviidae and the only species of wheel bug found in the United States. It is one of the largest terrestrial true bugs in North Am ...

'' (Linnaeus, 1763) * '' Arilus depressicollis'' (Stål, 1859) * †'' Arilus faujasi'' Riou, 1999 * '' Arilus gallus'' (Stål, 1872) * '' Arilus nigriceps'' Herrich-Schaeffer, 1848 Three additional species originally described in the genus are currently ''

incertae sedis ' () or ''problematica'' is a term used for a taxonomic group where its broader relationships are unknown or undefined. Alternatively, such groups are frequently referred to as "enigmatic taxa". In the system of open nomenclature, uncertainty ...

.'' * '' Arilus auctus'' Germar, 1837 * '' Arilus collaris'' Herrich-Schaeffer, 1848 * '' Arilus spiniceps'' Blanchard, 1843

References

External links

* * {{Taxonbar, from=Q15707964 Reduviidae Heteroptera genera