Tomostethus

{{Short description|Genus of sawflies}}

{{Italic title}}

{{Taxobox

| image = Tomostethus.nigritus.-.lindsey.jpg

| image_caption = Tomostethus nigritus

| regnum = Animalia

| phylum = Arthropoda

| classis = Insecta

| ordo = Hymenoptera

| familia = Tenthredinidae

| genus = Tomostethus

| genus_authority = Konow, 1886

}}

Tomostethus is a genus of sawflies. It includes the species Tomostethus multicinctus, Tomostethus nigritus, and others. It was first described in 1886.{{cite web |url=https://www.gbif.org/species/1249677 |title=Tomostethus Konow, 1886 |website=Global Biodiversity Information Facility |access-date=April 18, 2017}}