Semiognatha

{{short description|Genus of beetles}}

{{Italic title}}

{{Taxobox

| name = Semiognatha sainvali

| regnum = Animalia

| phylum = Arthropoda

| classis = Insecta

| ordo = Coleoptera

| subordo = Polyphaga

| superfamilia = Buprestoidea

| familia = Buprestidae

| genus = Semiognatha

| genus_authority = Moore & Lander, 2004

| species = S. sainvali

| binomial = Semiognatha sainvali

| binomial_authority = Moore & Lander, 2004

}}

Semiognatha is a monotypic genus of beetles in the family Buprestidae, tribe Stigmoderini, the jewel beetles.{{cite web |url=https://cerambycids.com/Buprestidae/WorldCat/Genera/Semiognatha.htm |title=Genus Semiognatha |author=Bellamy, C. L. |date=2013 |work=A Checklist of World Buprestoidea |accessdate=7 Sep 2021}} The sole species, Semiognatha sainvali, was described in 2004 from a specimen collected in Brazil.Moore, T. and T. Lander. (2004). Género y especie nuevas de la tribu Stigmoderini (Coleoptera): Buprestidae) en América. Revista Chilena de Entomología (Chile) 30(1) 17-19.