{{Short description|Genus of insects}} {{Automatic taxobox | image = StylopidaeLyd.png | taxon = Xenos | authority = Rossi, 1793 | display_parents = 3 }}
'''''Xenos''''' is a genus of insects belonging to the family Xenidae.<ref name=Benda2022/> The word derives from the Greek word for strange.<ref>{{cite web|url=https://books.google.com/books?id=vMkiCh_mhzAC&q=Xenob&pg=PA1090|title=A new universal etymological technological, and pronouncing dictionary of the English language|author=Craig, John|publisher=Routledge|year=1859|page=1090}}</ref> The type species of the genus is ''Xenos vesparum'', first described by Pietro Rossi in 1793.<ref>{{citation |title = New findings on sperm ultrastructure of ''Xenos vesparum'' (Rossi) (Strepsiptera, Insecta) |author=R. Dallai |author2=L. Beani |author3=J. Kathirithamby |author4=P. Lupetti |author5=B. A. Afzelius |name-list-style=amp |doi=10.1016/S0040-8166(02)00099-X |year=2003 |journal=Tissue and Cell |volume=35 |issue=1 |pages=19–27 |pmid=12589726}}</ref><ref>{{citation |title=The midgut ultrastructure of the endoparasite ''Xenos vesparum'' (Rossi) (Insecta, Strepsiptera) during post-embryonic development and stable carbon isotopic analyses of the nutrient uptake |author=Fabiola Giusti |author2=Luigi Dallai |author3=Laura Beani |author4=Fabio Manfredini |author5 = Romano Dallai |name-list-style=amp |doi=10.1016/j.asd.2007.01.001 |year=2007 |journal=Arthropod Structure & Development |volume=36 |issue=2 |pages=183–197 |pmid=18089098}}</ref> The females are permanent entomophagous endoparasites of ''Polistes'' paper wasps, spending their whole lives in the wasp's abdomen. thumb| [[File:Xenos peckii - inat 48788225.jpg| thumb|Four male pupae are visible partially emerged from the wasp's abdomen; likely ''Xenos peckii'', which is a parasite of the paper wasp ''Polistes fuscatus''.]]
==Species== These 33 species belong to the genus ''Xenos'':<ref name=Benda2022/> {{Div col|colwidth=29em}} * ''Xenos afer'' <small>Pasteels, 1950</small> (Africa) * ''Xenos americanus'' <small>(Brèthes, 1923) </small>(South America) * ''Xenos argentinus'' <small>Brèthes, 1923</small> (South America) * ''Xenos boharti'' <small>Hofmann, 1965</small> (South America) * ''Xenos bohlsi'' <small>Hoffmann, 1914</small> (South America) * ''Xenos bonairensis'' <small>Brèthes, 1923</small> (South America) * ''Xenos circularis'' <small>Kifune & Maeta, 1985</small> (Asia) * ''Xenos colombiensis'' <small>Cook, Mayorga-Ch & Sarmiento, 2020</small> * ''Xenos dianshuiwengi'' <small>Yang, 1999</small> * ''Xenos formosanus'' <small>Kifune & Maeta, 1985</small> (Asia) * ''Xenos hamiltoni'' <small>Kathirithamby & Hughes, 2006</small> (Central America and Mexico) * ''Xenos hebraei'' <small>Kinzelbach, 1978</small> (Palearctic) * ''Xenos hospitus'' <small>Oliveira & Kogan, 1962</small> (South America) * ''Xenos hunteri'' <small>(Pierce, 1909)</small> (North America) * ''Xenos indespectus'' <small>Oliveira & Kogan, 1962</small> (South America) * ''Xenos iviei'' <small>Kifune, 1983</small> * ''Xenos kifunei'' <small>Cook & Mathison, 1997</small> (North America) * ''Xenos moutoni'' <small>Buysson, 1903</small> (Southern Asia and temperate Asia) * ''Xenos niger'' <small>Pasteels, 1950</small> (Africa) * ''Xenos nigrescens'' <small>Brues, 1903</small> (North America and South America) * ''Xenos oxyodontes'' <small>Nakase & Kato, 2013</small> (Southern Asia) * ''Xenos pallidus'' <small>Brues, 1903</small> (North America) * ''Xenos peckii'' <small>Kirby, 1813</small> * ''Xenos peruensis'' <small>Kifune, 1979</small> (South America) * ''Xenos provesparum'' <small>Kifune, 1986</small> (Southern Asia and tropical Asia) * ''Xenos ropalidiae'' <small>(Kinzelbach, 1975)</small> * ''Xenos rostratus'' <small>Trois, 1984</small> (South America) * ''Xenos rubiginosi'' <small>(Pierce, 1909)</small> (North America) * ''Xenos stuckenbergi'' <small>Pasteels, 1956</small> (Africa) * ''Xenos vesparum'' <small>Rossi, 1793</small> (Palearctic and Africa) * ''Xenos yamaneorum'' <small>Kifune & Maeta, 1985</small> (Asia) * ''Xenos yangi'' <small>Dong, Liu & Li, 2022</small> * ''Xenos zavattarii'' <small>(Pierce, 1911)</small> (Africa) {{Div col end}}
==References== {{Reflist|refs= <ref name=Benda2022> {{Cite journal | title = A generic classification of Xenidae (Strepsiptera) based on the morphology of the female cephalothorax and male cephalotheca with a preliminary checklist of species | date = 2022 | last1 = Benda | first1 = D | last2 = Pohl | first2 = H | last3 = Nakase | first3 = Y | last4 = Beutel | first4 = R | last5 = Straka | first5 = J | display-authors = 4 | journal = ZooKeys | issue = 1093 | pages = 1–134 | url = https://zookeys.pensoft.net/article/72339/ | doi = 10.3897/zookeys.1093.72339 | pmid = 35586542 | pmc = 9010403 | doi-access = free }}</ref> }}
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Category:Strepsiptera Category:Endoparasites Category:Insect genera Category:Taxa named by Pietro Rossi Category:Parasites of Hymenoptera
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