Corydiinae

{{Short description|Subfamily of cockroaches}}

{{Automatic taxobox

| fossil_range = {{fossilrange|Barremian|Present}}

| image = Блестящий таракан-черепашка.jpg

| image_caption = Polyphaga pellucida in the Saint Petersburg Zoological Museum

| taxon = Corydiinae

| authority = Saussure & Zehntner, 1893

| synonyms = Polyphaginae Saussure, 1864

}}

Corydiinae{{cite book |last1=Beccaloni |first1=G. W. |last2=Eggleton |first2=P. |year=2011 |chapter=Order Blattodea Brunner von Wattenwyl, 1882 |editor1-last=Zhang |editor1-first=Z.-Q. |title=Animal biodiversity: An outline of higher-level classification and survey of taxonomic richness |journal=Zootaxa |issue=3148 |pages=199–200 }} is a subfamily of the order Blattodea (cockroaches). Many are known as sand cockroaches. The subfamily, comprising about 20 genera, contains half the genera in Corydiidae.{{cite web |url=http://blattodea.speciesfile.org/Common/basic/Taxa.aspx?TaxonNameID=26 |title=synonym Polyphagidae Saussure, 1864: Cockroach Species File}}{{cite web |url=http://gaga.biodiv.tw/new23/cp03_71.htm |script-title=zh:蟑螂圖鑑 |date=2014-09-19 |accessdate=2014-10-13 |language=zh }} One prominent species is the desert cockroach, Arenivaga investigata.