| Subgenus | Isosoma (Philachyra)
Walker, 1871
| 2 | Species |
| Species | Isosoma abnorme Provancher, 1887 ⇒ Eurytoma conica
| | |
| Species | Isosoma aciculatum Schlechtendal, 1891 ⇒ Tetramesa aciculata
| | |
| Species | Isosoma aequale Walker, 1871
| | |
| Species | Isosoma aequalis Walker, 1871
| | |
| Species | Isosoma aequata Dalla Torre, 1898
| | |
| Species | Isosoma affine Hedicke, 1921 ⇒ Tetramesa affinis
| | |
| Species | Isosoma affinis Hedicke, 1921
| | |
| Species | Isosoma agropyri Walker, 1832 ⇒ Tetramesa linearis
| | |
| Species | Isosoma agrostidis Howard, 1896 ⇒ Tetramesa agrostidis
| | |
| Species | Isosoma airae Schlechtendal, 1891 ⇒ Tetramesa airae
| | |
| Species | Isosoma albomaculatum Ashmead, 1894 ⇒ Tetramesa albomaculatum
| | |
| Species | Isosoma allynii French, 1882 ⇒ Eupelmus allynii
| | |
| Species | Isosoma angustatum Walker, 1832 ⇒ Tetramesa angustatum
| | |
| Species | Isosoma angustipenne Walker, 1832 ⇒ Tetramesa angustipenne
| | |
| Species | Isosoma antica Walker, 1871 ⇒ Tetramesa antica
| | |
| Species | Isosoma anticum Walker, 1871 ⇒ Tetramesa antica
| | |
| Species | Isosoma apterum Walker, 1849 ⇒ Tetramesa maderae
| | |
| Species | Isosoma atrum Walker, 1832
| | |
| Species | Isosoma attenuatum Walker, 1832 ⇒ Tetramesa linearis
| | |
| Species | Isosoma aurae Schlechtendal, 1891 ⇒ Tetramesa aurae
| | |
| Species | Isosoma australiensis Girault, 1913 ⇒ Tetramesa australiensis
| | |
| Species | Isosoma brachypodii Schlechtendal, 1891 ⇒ Tetramesa brachypodii
| | |
| Species | Isosoma breve Walker, 1832 ⇒ Tetramesa brevis
| | |
| Species | Isosoma brevicolle Walker, 1836 ⇒ Tetramesa brevicollis
| | |
| Species | Isosoma brevicollis Walker, 1836
| | |
| Species | Isosoma brevicorne Walker, 1832 ⇒ Tetramesa brevicornis
| | |
| Species | Isosoma brevicornis Walker, 1832
| | |
| Species | Isosoma brevipenne Walker, 1836 ⇒ Tetramesa brevipennis
| | |
| Species | Isosoma brevipennis Walker, 1836
| | |
| Species | Isosoma brevis Walker, 1832 ⇒ Tetramesa brevis
| | |
| Species | Isosoma breviventre Walker, 1832 ⇒ Tetramesa breviventris
| | |
| Species | Isosoma breviventris Walker, 1832
| | |
| Species | Isosoma brischkei Schlechtendal, 1891 ⇒ Tetramesa (Deserticola) brischkei
| | |
| Species | Isosoma bromi Howard, 1896
| | |
| Species | Isosoma bromicola Howard, 1896 ⇒ Tetramesa bromicola
| | |
| Species | Isosoma bromicolum Howard, 1896 ⇒ Tetramesa bromicola
| | |
| Species | Isosoma buccata Thomson, 1876 ⇒ Tetramesa buccata
| | |
| Species | Isosoma buccatum Thomson, 1876 ⇒ Tetramesa buccata
| | |
| Species | Isosoma calamagrostidis Schlechtendal, 1891
| | |
| Species | Isosoma californicum Howard, 1896 ⇒ Tetramesa californicum
| | |
| Species | Isosoma canaliculata Walker, 1832 ⇒ Tetramesa linearis
| | |
| Species | Isosoma canaliculatum Walker, 1832 ⇒ Tetramesa linearis
| | |
| Species | Isosoma captivum Lintner, 1889 ⇒ Tetramesa neocaptivum
| | |
| Species | Isosoma claripenne Walker, 1832 ⇒ Tetramesa fumipennis
| | |
| Species | Isosoma claripennis Walker, 1832 ⇒ Tetramesa fumipennis
| | |
| Species | Isosoma clavicorne Walker, 1832 ⇒ Tetramesa brevicornis
| | |
| Species | Isosoma clavicornis Walker, 1832 ⇒ Tetramesa brevicornis
| | |
| Species | Isosoma cornutum Walker, 1832 ⇒ Tetramesa cornuta
| | |
| Species | Isosoma crassicorne Walker, 1832 ⇒ Tetramesa crassicornis
| | |
| Species | Isosoma crassicornis Walker, 1832
| | |
| Species | Isosoma cylindricum Schlechtendal, 1891 ⇒ Tetramesa cylindrica
| | |
| Species | Isosoma depressum Walker, 1832
| | |
| Species | Isosoma dimidiatum Walker, 1832 ⇒ Tetramesa linearis
| | |
| Species | Isosoma dissimile Walker, 1832 ⇒ Tetramesa cornuta
| | |
| Species | Isosoma egesta Walker, 1842
| | |
| Species | Isosoma elateroides Menetries, 1832
| | |
| Species | Isosoma elongatum Walker, 1832 ⇒ Tetramesa minor
| | |
| Species | Isosoma elymi French, 1882 ⇒ Tetramesa elymi
| | |
| Species | Isosoma eremitum Portschinsky, 1881 ⇒ Tetramesa eremita
| | |
| Species | Isosoma eximium Giraud, 1863 ⇒ Tetramesa eximia
| 1 | Subspecies |
| Species | Isosoma filicorne Walker, 1836 ⇒ Tetramesa brevipennis
| | |
| Species | Isosoma fitchi Howard, 1896 ⇒ Tetramesa websteri
| | |
| Species | Isosoma fitchii Howard, 1896 ⇒ Tetramesa websteri
| | |
| Species | Isosoma flavicolle Walker, 1832 ⇒ Tetramesa fulvicollis
| | |
| Species | Isosoma flavicollis Walker, 1832 ⇒ Tetramesa fulvicollis
| | |
| Species | Isosoma foersteri Hedicke, 1921 ⇒ Tetramesa foersteri
| | |
| Species | Isosoma fulvicolle Walker, 1832 ⇒ Tetramesa fulvicollis
| | |
| Species | Isosoma fulvicollis Walker, 1834
| | |
| Species | Isosoma fumipenne Walker, 1832 ⇒ Tetramesa fumipennis
| | |
| Species | Isosoma fumipennis Walker, 1832
| | |
| Species | Isosoma gigantea Ashmead, 1886 ⇒ Isosomodes giganteus
| | |
| Species | Isosoma giganteum Giraud, 1863 ⇒ Tetramesa eximia
| | |
| Species | Isosoma giraudi Schlechtendal, 1891 ⇒ Tetramesa giraudi
| | |
| Species | Isosoma graminicola Walker, 1832 ⇒ Tetramesa hyalipennis
| | |
| Species | Isosoma graminicolum Walker, 1832 ⇒ Tetramesa hyalipennis
| | |
| Species | Isosoma grandis Walker, 1849 ⇒ Tetramesa maderae
| | |
| Species | Isosoma guttulum Walker, 1832 ⇒ Tetramesa angustatum
| | |
| Species | Isosoma hageni Howard, 1896 ⇒ Tetramesa hageni
| | |
| Species | Isosoma heteromera Ashmead, 1894 ⇒ Eurytomocharis heteromera
| | |
| Species | Isosoma heteromerum Ashmead, 1894 ⇒ Eurytomocharis heteromera
| | |
| Species | Isosoma hieronymi Walker, 1836 ⇒ Tetramesa brevicollis
| | |
| Species | Isosoma hirtifrons Howard, 1896 ⇒ Tetramesa websteri
| | |
| Species | Isosoma hordei Harris, 1830 ⇒ Tetramesa hordei
| | |
| Species | Isosoma humerale Walker, 1834 ⇒ Eurytoma salicis
| | |
| Species | Isosoma humeralis Walker, 1834 ⇒ Eurytoma salicis
| | |
| Species | Isosoma hyalipenne Walker, 1832 ⇒ Tetramesa hyalipennis
| 2 | Subspecies |
| Species | Isosoma hyalipennis Walker, 1832
| | |
| Species | Isosoma inaequale Thomson, 1876 ⇒ Tetramesa inaequalis
| | |
| Species | Isosoma inaequalis Thomson, 1876 ⇒ Tetramesa inaequalis
| | |
| Species | Isosoma indica Erdös, 1964 ⇒ Endobia indica
| | |
| Species | Isosoma inquilinum Boheman, 1836 ⇒ Eurytoma flavimana
| | |
| Species | Isosoma insolita Walker, 1873
| | |
| Species | Isosoma juncea Walker, 1871 ⇒ Tetramesa juncea
| | |
| Species | Isosoma junceum Walker, 1871 ⇒ Tetramesa juncea
| | |
| Species | Isosoma laevigatum Hedicke, 1921 ⇒ Tetramesa laevigata
| | |
| Species | Isosoma laothoe Walker, 1843 ⇒ Tetramesa laothoe
| | |
| Species | Isosoma lativentre Walker, 1871 ⇒ Tetramesa lativentris
| | |
| Species | Isosoma lativentris Walker, 1871 ⇒ Tetramesa lativentris
| | |
| Species | Isosoma lineare Walker, 1832 ⇒ Tetramesa linearis
| | |
| Species | Isosoma linearis Walker, 1832
| | |
| Species | Isosoma longicolle Walker, 1832 ⇒ Tetramesa angustipenne
| | |
| Species | Isosoma longicorne Walker, 1832
| | |
| Species | Isosoma longicornis Walker, 1832
| | |
| Species | Isosoma longulum Fabricius, 1798 ⇒ Tetramesa longula
| | |
| Species | Isosoma luteicollis Walker, 1873
| | |
| Species | Isosoma maculatum Howard, 1896 ⇒ Tetramesa maculata
| | |
| Species | Isosoma maderae Walker, 1849 ⇒ Tetramesa maderae
| | |
| Species | Isosoma maritima Hedicke, 1921
| | |
| Species | Isosoma melanomera Walker, 1832 ⇒ Tetramesa angustipenne
| | |
| Species | Isosoma melanomerum Walker, 1832 ⇒ Tetramesa angustipenne
| | |
| Species | Isosoma minor Walker, 1832 ⇒ Tetramesa minor
| | |
| Species | Isosoma minus Walker, 1832 ⇒ Tetramesa minor
| | |
| Species | Isosoma montanum Ashmead, 1894 ⇒ Tetramesa montanum
| | |
| Species | Isosoma nepe Walker, 1844 ⇒ Tetramesa nepe
| | |
| Species | Isosoma nevadense Ashmead, 1894 ⇒ Eurytoma nevadensis
| | |
| Species | Isosoma nigrum Fitch, 1859 ⇒ Harmolita tritici
| | |
| Species | Isosoma noxiale Portschinsky, 1881 ⇒ Eurytoma noxialis
| | |
| Species | Isosoma noxialis Portschinsky, 1881
| | |
| Species | Isosoma olbus Walker, 1839 ⇒ Eurytoma olbus
| | |
| Species | Isosoma opaca Walker, 1832 ⇒ Tetramesa angustipenne
| | |
| Species | Isosoma opacum Walker, 1832 ⇒ Tetramesa angustipenne
| | |
| Species | Isosoma orchidearum Westwood, 1869 ⇒ Eurytoma orchidearum
| | |
| Species | Isosoma oritias Walker, 1839 ⇒ Bruchophagus pidytes
| | |
| Species | Isosoma ovata Szepligeti, 1901
| | |
| Species | Isosoma persicum Hedicke, 1921 ⇒ Tetramesa persica
| | |
| Species | Isosoma petiolata Walker, 1832 ⇒ Tetramesa petiolata
| | |
| Species | Isosoma petiolatum Walker, 1832 ⇒ Tetramesa petiolata
| | |
| Species | Isosoma phleicola Hedicke, 1921 ⇒ Tetramesa phleicola
| | |
| Species | Isosoma pilicorne Walker, 1832 ⇒ Tetramesa hyalipennis
| | |
| Species | Isosoma pilicornis Walker, 1832 ⇒ Tetramesa hyalipennis
| | |
| Species | Isosoma poae Schlechtendal, 1891
| | |
| Species | Isosoma poicola Schlechtendal, 1891
| | |
| Species | Isosoma pusillum Walker, 1832 ⇒ Tetramesa pusilla
| | |
| Species | Isosoma ravola Walker, 1839 ⇒ Bruchophagus ravola
| | |
| Species | Isosoma rübsaameni Hedicke, 1921
| | |
| Species | Isosoma robusta Walker, 1871 ⇒ Tetramesa robusta
| | |
| Species | Isosoma robustum Walker, 1871 ⇒ Tetramesa robusta
| | |
| Species | Isosoma romana Walker, 1873 ⇒ Tetramesa romana
| | |
| Species | Isosoma romanum Walker, 1873 ⇒ Tetramesa romana
| | |
| Species | Isosoma rossicum Rimsky-Korsakov, 1914 ⇒ Tetramesa rossica
| | |
| Species | Isosoma ruebsaameni Schlechtendal, 1891 ⇒ Tetramesa airae
| | |
| Species | Isosoma ruschkai Walker, 1832 ⇒ Tetramesa brevicornis
| | |
| Species | Isosoma scheppigi Schlechtendal, 1891 ⇒ Tetramesa scheppigi
| | |
| Species | Isosoma schlechtendali Hedicke, 1921 ⇒ Tetramesa schlechtendali
| | |
| Species | Isosoma schmidti Hedicke, 1921 ⇒ Tetramesa schmidti
| | |
| Species | Isosoma secale Fitch, 1861 ⇒ Tetramesa secale
| | |
| Species | Isosoma semilutea Walker, 1873
| | |
| Species | Isosoma simile Fabricius, 1798 ⇒ Eurytoma (Eurytoma) verticillata
| | |
| Species | Isosoma sociabilis Giraud, 1863
| | |
| Species | Isosoma stipae De Stefani, 1901 ⇒ Tetramesa stipae
| | |
| Species | Isosoma subfumata Walker, 1871 ⇒ Tetramesa subfumata
| | |
| Species | Isosoma subfumatum Walker, 1871 ⇒ Tetramesa subfumata
| | |
| Species | Isosoma tenuicorne Walker, 1832 ⇒ Tetramesa tenuicornis
| | |
| Species | Isosoma tenuicornis Walker, 1832
| | |
| Species | Isosoma tenuipes Walker, 1832 ⇒ Tetramesa fulvicollis
| | |
| Species | Isosoma tibiale Walker, 1832 ⇒ Tetramesa brevicornis
| | |
| Species | Isosoma tibialis Walker, 1832 ⇒ Tetramesa brevicornis
| | |
| Species | Isosoma tritici Walker, 1849 ⇒ Tetramesa maderae
| | |
| Species | Isosoma vacillans Walker, 1836 ⇒ Tetramesa vacillans
| | |
| Species | Isosoma vaginicolum Doane, 1916 ⇒ Tetramesa vaginicolum
| | |
| Species | Isosoma verticillata Fabricius, 1798 ⇒ Eurytoma (Eurytoma) verticillata
| | |
| Species | Isosoma verticillatum Fabricius, 1798 ⇒ Eurytoma (Eurytoma) verticillata
| | |
| Species | Isosoma vitis Saunders, 1869 ⇒ Eurytoma vitis
| | |
| Species | Isosoma volux Walker, 1839 ⇒ Bruchophagus volux
| | |
| Species | Isosoma websteri Howard, 1896 ⇒ Tetramesa websteri
| | |
| Species | Isosoma wordsworthi Girault, 1915 ⇒ Tetramesa funeralis
| | |
