Billaea irrorata

{{short description|Species of fly}}

{{Speciesbox

| image =

| image_caption =

| display_parents = 3

| genus = Billaea

| species = irrorata

| authority = (Meigen, 1826){{cite book |last1=Meigen |first1=J.W. |title=Systematische Beschreibung der bekannten europäischen zweiflügeligen Insekten. Funfter Theil. |date=1826 |publisher=Schulz-Wundermann |location=Hamm |pages=xii + 412 pp |url=https://www.biodiversitylibrary.org/item/45843#page/9/mode/1up |access-date=12 November 2023}}

| synonyms = *Arenia volucris Robineau-Desvoidy, 1863{{cite book |last= Robineau-Desvoidy|first= Jean-Baptiste |date= 1863 |title= Histoire naturelle des dipteres des environs de Paris. |url= https://archive.org/download/histoirenaturell02robi/histoirenaturell02robi.pdf|publisher= Masson et Fils, Paris.|volume= Tome second|pages= 1–920 |access-date=15 February 2015}}

• Billaea dubiosa Belanovsky, 1951{{cite journal |last1=Belanovsky |first1=I.D. |title=Tachinids of the Ukrainian SSR. |journal=Izdatel'stvo Akademii Nauk Ukrainskoi SSR. Kyiv |date=1953 |volume=2 |pages=240 |language=Russian}}
• Billaea stackelbergi Kolomiets, 1966{{cite journal |last1=Kolomiets |first1=N.G. |title=Parasitic Diptera of subfam. Dexiinae (Dipt. Larvaevoridae). Genera Phorostoma and Billaea in the fauna of the USSR |journal=Novye i Maloizvestnye Vidy Fauny Sibiri |date=1966 |volume=1966 |pages=57–104}}
• Brachycoma smerinthi Meade, 1892{{cite journal |last1=Meade |first1=Richard Henry |title=Annotated list of British Tachinidae |journal=The Entomologist's Monthly Magazine |date=1892 |volume=28 |pages=75–79 |url=https://www.biodiversitylibrary.org/page/9268482#page/85/mode/1up |access-date=16 December 2020}}
• Dexia irrorata Meigen, 1826
• Nicaea palpata Robineau-Desvoidy, 1863
• Oodigaster distantipennis Macquart, 1854{{cite journal |last1=Macquart |first1=P.J.M. |title=Nouvelles observations sur les insectes diptères d'Europe de la tribu des tachinaires (suite) |journal=Annales de la Société Entomologique de France |date=1854 |volume=2 |issue=3 |pages=393–446 |url=https://www.biodiversitylibrary.org/page/8743599#page/399/mode/1up |access-date=14 June 2023}}
• Phorostoma parvula Portschinsky, 1881{{cite journal |last1=Portschinsky |first1=J. A. |title=Diptera europaea et asiatica nova aut minus cognita |journal=Pars Ima. Horae Soc. Ent. Ross |date=1881 |volume=16 |pages=136–145}}
• Tachina defecta Walker, 1853{{cite book |last1=Walker |first1=F. |title=Insecta Britannica, Diptera. Volume 2 |date=1853 |publisher=Reeve & Benham |location=London |pages=vi + 298 pp., pls. 11–20}}

}}

Billaea irrorata is a species of fly in the family Tachinidae.{{cite web |last1=O’Hara |first1=James E. |last2=Henderson |first2=Shannon J. |first3=D. Monty |last3=Wood |title=Preliminary Checklist of the Tachinidae (Diptera) of the World|url=http://www.nadsdiptera.org/Tach/WorldTachs/Checklist/Tachchlist_ver2.1.pdf |website=Tachinidae Resources |access-date=16 December 2023 |date=5 March 2020}}