Ianius

{{Short description|Genus of moths}}

{{Speciesbox

| image = Ianius mosca.jpg

| image_caption =

| taxon = Ianius mosca

| parent_authority = Richards, 1939

| authority = (Dyar, 1910)

| synonyms = *Melipotis mosca Dyar, 1910

}}

Ianius is a monotypic moth genus in the family Erebidae described by Richards in 1939. Its only species, Ianius mosca, was first described by Harrison Gray Dyar Jr. in 1910.{{cite web |last=Yu |first=Dicky Sick Ki |url=http://www.taxapad.com/local.php?taxonidLC=86015916 |title=Ianius mosca (Dyar 1910) |website=Home of Ichneumonoidea |publisher=Taxapad |archive-url=https://web.archive.org/web/20160325111836/http://www.taxapad.com/local.php?taxonidLC=86015916 |archive-date=March 25, 2016}}{{cite web |last=Savela |first=Markku |date=July 4, 2019 |url=https://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/noctuoidea/erebidae/erebinae/ianius/ |title=Ianius Richards, 1939 |website=Lepidoptera and Some Other Life Forms |accessdate=December 10, 2019}} It is found in MexicoGottfried, Behounek (February 21, 2008). [http://www.nkis.info/nkis/extaustaxonshow.cgi?uid=guest&tax=149184&lang=g "Ianius mosca (Dyar, 1910)"]. Naturkundliches Informationssystem. Retrieved December 10, 2019. and the southern United States, where it has been recorded from Texas.{{cite web |url=http://mothphotographersgroup.msstate.edu/species.php?hodges=8611 |title=930882.00 – 8611 – Ianius mosca – (Dyar, 1910) |website=North American Moth Photographers Group |publisher=Mississippi State University |accessdate=December 10, 2019}}

The wingspan is about 30 mm. Adults are on wing from March to May and in September.