Effusimentum

{{short description|Genus of flies}}

{{Automatic taxobox

| taxon = Effusimentum

| display_parents = 3

| authority = Barraclough, 1992{{cite journal|first=D.A.|last=Barraclough|year=1992|title=The systematics of the Australasian Dexiini (Diptera : Tachinidae : Dexiinae) with revisions of endemic genera|journal=Invertebrate Taxonomy|volume=6|issue=5|pages=1127–1371|doi=10.1071/IT9921127}}

| type_species = Effusimentum triangulum

| type_species_authority = Barraclough, 1992

}}

Effusimentum is a genus of parasitic flies 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=2 March 2024 |date=5 March 2020}}