| Species | Mesoleptus adaequator Forster, 1876
| | |
| Species | Mesoleptus adversarius Forster, 1876
| | |
| Species | Mesoleptus aequalis Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus aequilatus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus aggressorius Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus agilis Forster, 1876
| | |
| Species | Mesoleptus agnatus Forster, 1876
| | |
| Species | Mesoleptus albicruris Gravenhorst, 1829
| | |
| Species | Mesoleptus albolineatus Gravenhorst, 1829
| | |
| Species | Mesoleptus alticola Forster, 1876
| | |
| Species | Mesoleptus ambiguus Forster, 1876
| | |
| Species | Mesoleptus ambulator Forster, 1876
| | |
| Species | Mesoleptus amoena Holmgren, 1857
| | |
| Species | Mesoleptus anceps Forster, 1876
| | |
| Species | Mesoleptus anguinus Forster, 1876
| | |
| Species | Mesoleptus angustulus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus annexus Forster, 1876
| | |
| Species | Mesoleptus annulatus Gravenhorst, 1829
| | |
| Species | Mesoleptus antilope Gravenhorst, 1829
| | |
| Species | Mesoleptus anxius Forster, 1876
| | |
| Species | Mesoleptus apertus ♰ Brues, 1910
| | |
| Species | Mesoleptus approximatus Forster, 1876
| | |
| Species | Mesoleptus arridens Gravenhorst, 1829
| | |
| Species | Mesoleptus arrogans Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus assimilis Forster, 1876
| | |
| Species | Mesoleptus attenuatus Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus auxiliarius Forster, 1876
| | |
| Species | Mesoleptus beneplacitus Forster, 1876
| | |
| Species | Mesoleptus bicingulata Gravenhorst, 1829
| | |
| Species | Mesoleptus bicoloratus
| | |
| Species | Mesoleptus biguttulus Gravenhorst, 1829
| | |
| Species | Mesoleptus binoculus Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus binominatus Smith, 1853
| | |
| Species | Mesoleptus biosteres Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus bipartitus Fonscolombe, 1852
| | |
| Species | Mesoleptus bipunctatus Gravenhorst, 1829
| | |
| Species | Mesoleptus bizonulis Forster, 1876
| | |
| Species | Mesoleptus blandus Forster, 1876
| | |
| Species | Mesoleptus borealis Davis, 1898
| | |
| Species | Mesoleptus brevis Forster, 1876
| | |
| Species | Mesoleptus callidus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus carinatus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus censor Thunberg, 1822 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus cerinostomus Gravenhorst, 1829
| | |
| Species | Mesoleptus cingulatus Gravenhorst, 1829
| | |
| Species | Mesoleptus circumspectus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus coarctatus Gravenhorst, 1829
| | |
| Species | Mesoleptus commixtus Forster, 1876 ⇒ Mesoleptus congener
| | |
| Species | Mesoleptus complacens Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus comptus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus concinnus Forster, 1876
| | |
| Species | Mesoleptus concors Forster, 1876
| | |
| Species | Mesoleptus confusus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus congener Forster, 1876
| | |
| Species | Mesoleptus consortius Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus contrarius Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus cooperator Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus coxalis Habermehl, 1920
| | |
| Species | Mesoleptus coxator Gravenhorst, 1829
| | |
| Species | Mesoleptus cupidus Forster, 1876
| | |
| Species | Mesoleptus curiosus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus cursitans Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus curtus Holmgren, 1857
| | |
| Species | Mesoleptus davisii Dalla Torre, 1902
| | |
| Species | Mesoleptus debilitatus Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus deceptor Forster, 1876
| | |
| Species | Mesoleptus decimator Forster, 1876 ⇒ Mesoleptus ambulator
| | |
| Species | Mesoleptus decipiens Gravenhorst, 1829
| | |
| Species | Mesoleptus declinans Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus declivus Provancher, 1886
| | |
| Species | Mesoleptus defectivus Forster, 1876 ⇒ Mesoleptus congener
| | |
| Species | Mesoleptus definitus Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus delicatus Forster, 1876 ⇒ Mesoleptus congener
| | |
| Species | Mesoleptus derasus Forster, 1876
| | |
| Species | Mesoleptus despectus Forster, 1876
| | |
| Species | Mesoleptus devotus Forster, 1876
| | |
| Species | Mesoleptus dichrocerus Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus difformis Forster, 1876
| | |
| Species | Mesoleptus diminutus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus dionaeus Haliday, 1838 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus distans Forster, 1876
| | |
| Species | Mesoleptus distinctus Forster, 1876 ⇒ Scopesis gesticulator
| | |
| Species | Mesoleptus egregius Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus elaphrus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus elegantulus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus elongatus Fonscolombe, 1852
| | |
| Species | Mesoleptus enodis Forster, 1876
| | |
| Species | Mesoleptus erugatus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus erythropus Kriechbaumer, 1891
| | |
| Species | Mesoleptus evagator Forster, 1876
| | |
| Species | Mesoleptus evanescens Ratzeburg, 1852
| | |
| Species | Mesoleptus evanialis Gravenhorst, 1829
| | |
| Species | Mesoleptus exaequatus Forster, 1876
| | |
| Species | Mesoleptus exhaustorius Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus exiguus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus exornatus Gravenhorst, 1829
| | |
| Species | Mesoleptus exstinctus Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus exstirpator Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus exstirpatus ♰ Brues, 1910
| | |
| Species | Mesoleptus facialis Gravenhorst, 1829
| | |
| Species | Mesoleptus fallax Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus fasciatus Provancher, 1885
| | |
| Species | Mesoleptus femoralis Holmgren, 1857
| | |
| Species | Mesoleptus filicornis Thomson, 1884 ⇒ Perilissus variator
| | |
| Species | Mesoleptus filiventris Forster, 1876
| | |
| Species | Mesoleptus flavipes Thomson, 1884 ⇒ Mesoleptus scrutator
| | |
| Species | Mesoleptus flavopictus Gravenhorst, 1829
| | |
| Species | Mesoleptus flavovariegata Lucas, 1849
| | |
| Species | Mesoleptus flexibilis Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus flilcornis Thomson, 1884
| | |
| Species | Mesoleptus fortipes Gravenhorst, 1829
| | |
| Species | Mesoleptus foveolator Holmgren, 1856
| | |
| Species | Mesoleptus foveolatus Forster, 1876 ⇒ Mesoleptus congener
| | |
| Species | Mesoleptus fractus Forster, 1876
| | |
| Species | Mesoleptus fugax Gravenhorst, 1829
| | |
| Species | Mesoleptus fulvipes Gravenhorst, 1829 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus fundatus Forster, 1876
| | |
| Species | Mesoleptus fungicola
| | |
| Species | Mesoleptus futilis Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus gallicus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus gemellus Forster, 1876
| | |
| Species | Mesoleptus geniculosus Gravenhorst, 1829
| | |
| Species | Mesoleptus genitor Forster, 1876
| | |
| Species | Mesoleptus genuinus Forster, 1876
| | |
| Species | Mesoleptus glabriculus Forster, 1876
| | |
| Species | Mesoleptus glaucus Davis, 1898
| | |
| Species | Mesoleptus gracilentus Holmgren, 1857
| | |
| Species | Mesoleptus gracilis Forster, 1876
| | |
| Species | Mesoleptus gracillimus Habermehl, 1920
| | |
| Species | Mesoleptus gratiosus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus gravabilis Forster, 1876
| | |
| Species | Mesoleptus grisescens Gravenhorst, 1829
| | |
| Species | Mesoleptus hilaris Gravenhorst, 1829
| | |
| Species | Mesoleptus hispanicus Jussila, Saaksjarvi & Bordera, 2010
| | |
| Species | Mesoleptus hohenwartensis Schmiedeknecht, 1913
| | |
| Species | Mesoleptus homologus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus hospitans Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus humilis Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus hungarica Kiss, 1929
| | |
| Species | Mesoleptus hypoleptus Forster, 1876
| | |
| Species | Mesoleptus ignotus Cresson, 1868
| | |
| Species | Mesoleptus impotens Forster, 1876
| | |
| Species | Mesoleptus incertus Forster, 1876 ⇒ Mesoleptus scrutator
| | |
| Species | Mesoleptus incessor Haliday, 1838 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus incitus Forster, 1876
| | |
| Species | Mesoleptus inclinator Schiodte, 1839
| | |
| Species | Mesoleptus incolumis Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus incompletus Provancher, 1886
| | |
| Species | Mesoleptus ineditus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus infestus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus infirmus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus infligens Forster, 1876
| | |
| Species | Mesoleptus insidiator Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus insularis Cresson, 1865
| | |
| Species | Mesoleptus integrellus Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus intermedius Forster, 1876
| | |
| Species | Mesoleptus intermixtus Forster, 1876
| | |
| Species | Mesoleptus internecivus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus invalidus Forster, 1876
| | |
| Species | Mesoleptus invidiosus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus invitus Forster, 1876
| | |
| Species | Mesoleptus ithacae Ashmead, 1896 ⇒ Mesoleptus incompletus
| | |
| Species | Mesoleptus jucundus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus juvenilis Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus kiushuensis Uchida, 1930 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus labilis Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus laetus Gravenhorst, 1829
| | |
| Species | Mesoleptus laevigatus Gravenhorst, 1820
| 2 | Subspecies |
| Species | Mesoleptus larvator Gravenhorst, 1829
| | |
| Species | Mesoleptus lateralis Schiodte, 1839
| | |
| Species | Mesoleptus laticinctus Walker, 1874
| | |
| Species | Mesoleptus lepidus Forster, 1876
| | |
| Species | Mesoleptus leptodomus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus leptogaster Forster, 1876
| | |
| Species | Mesoleptus leucostomus Gravenhorst, 1829
| | |
| Species | Mesoleptus levigatus Dalla Torre, 1902 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus levis Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus limitaris Forster, 1876
| | |
| Species | Mesoleptus lugubris Woldstedt, 1874 ⇒ Alexeter segmentarius
| | |
| Species | Mesoleptus luteolator Gravenhorst, 1829
| | |
| Species | Mesoleptus macrodactyla Holmgren, 1856
| | |
| Species | Mesoleptus marginatus Thomson, 1884
| | |
| Species | Mesoleptus maurus Gravenhorst, 1829
| | |
| Species | Mesoleptus melanocephalus Gravenhorst, 1829
| | |
| Species | Mesoleptus melanocerus Forster, 1876
| | |
| Species | Mesoleptus melanoscelis DeGant, 1933 ⇒ Mesoleptus ignotus
| | |
| Species | Mesoleptus melanurus Forster, 1876
| | |
| Species | Mesoleptus mesomeristus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus mirabilis Stephens, 1835
| | |
| Species | Mesoleptus mitis Forster, 1876
| | |
| Species | Mesoleptus modesta Gravenhorst, 1829
| | |
| Species | Mesoleptus molestus Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus montana Gravenhorst, 1829
| | |
| Species | Mesoleptus monticola Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus narrator Gravenhorst, 1829
| | |
| Species | Mesoleptus navus Forster, 1876
| | |
| Species | Mesoleptus nefastus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus neglectus Forster, 1876
| | |
| Species | Mesoleptus nemophilus Forster, 1876
| | |
| Species | Mesoleptus nigricornis Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus nigrifemur Kiss, 1924 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus nigripes Aubert, 1959 ⇒ Mesoleptus marginatus
| | |
| Species | Mesoleptus nitidithorax Strobl, 1901
| | |
| Species | Mesoleptus nitidulus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus nosophorus Forster, 1876 ⇒ Mesoleptus congener
| | |
| Species | Mesoleptus novellus Forster, 1876
| | |
| Species | Mesoleptus obscurellus Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus occultus Forster, 1876
| | |
| Species | Mesoleptus oligomerus Forster, 1876
| | |
| Species | Mesoleptus olistherus Forster, 1876
| | |
| Species | Mesoleptus onerosus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus optabilis Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus opulentus Smits van Burgst, 1913
| | |
| Species | Mesoleptus pallidus Gravenhorst, 1829
| | |
| Species | Mesoleptus palpator Schiodte, 1839
| | |
| Species | Mesoleptus paludicola Holmgren, 1856
| | |
| Species | Mesoleptus pectoralis Gravenhorst, 1829
| | |
| Species | Mesoleptus pedestris Matsumura, 1912 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus percussor Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus perditorius Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus peregrinus Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus petiolaris Thomson, 1884 ⇒ Mesoleptus davisii
| | |
| Species | Mesoleptus pontresinensis Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus praetermissus Woldstedt, 1874 ⇒ Phobetes nigriceps
| | |
| Species | Mesoleptus pravus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus prolixus Schiodte, 1839
| | |
| Species | Mesoleptus pronus Forster, 1876
| | |
| Species | Mesoleptus propinquus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus propugnator Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus punctiger Forster, 1876
| | |
| Species | Mesoleptus purus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus quadriannulatus Gravenhorst, 1829
| | |
| Species | Mesoleptus quadrituberculatus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus quietus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus raptor Forster, 1876
| | |
| Species | Mesoleptus reclinator Schiodte, 1839
| | |
| Species | Mesoleptus remotus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus renitens Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus requirens Forster, 1876 ⇒ Mesoleptus congener
| | |
| Species | Mesoleptus retractus Forster, 1876
| | |
| Species | Mesoleptus ripicola Thomson, 1884 ⇒ Mesoleptus vigilatorius
| | |
| Species | Mesoleptus ripicolus Thomson, 1884
| | |
| Species | Mesoleptus rotundiceps
| | |
| Species | Mesoleptus ruficornis Gravenhorst, 1829
| | |
| Species | Mesoleptus ruficoxatus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus rufina Gravenhorst, 1829
| | |
| Species | Mesoleptus rufipes Forster, 1876
| | |
| Species | Mesoleptus rufiventre Gravenhorst, 1829
| | |
| Species | Mesoleptus rufiventris Smits van Burgst, 1913
| | |
| Species | Mesoleptus rufocinctus Gravenhorst, 1829
| | |
| Species | Mesoleptus sachalinensis Uchida, 1930 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus salinus Kiss, 1924
| | |
| Species | Mesoleptus sapporensis Uchida, 1930 ⇒ Phobetes sapporensis
| | |
| Species | Mesoleptus sawoniewiczi Jussila, Saaksjarvi & Bordera, 2010
| | |
| Species | Mesoleptus scrutator Haliday, 1838
| | |
| Species | Mesoleptus secretus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus seductorius Forster, 1876
| | |
| Species | Mesoleptus segregatus Forster, 1876
| | |
| Species | Mesoleptus semiflavus Nees, 1830
| | |
| Species | Mesoleptus semirufus Holmgren, 1858
| | |
| Species | Mesoleptus sepedontis Ashmead, 1901 ⇒ Mesoleptus declivus
| | |
| Species | Mesoleptus sericeus Gravenhorst, 1829
| | |
| Species | Mesoleptus signatus Forster, 1876
| | |
| Species | Mesoleptus silesiacus Forster, 1876
| | |
| Species | Mesoleptus similatorius Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus singularis Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus slavonicus Kiss, 1924 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus sobrius Forster, 1876
| | |
| Species | Mesoleptus solitarius Forster, 1876
| | |
| Species | Mesoleptus sollicitus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus sordida Gravenhorst, 1829
| | |
| Species | Mesoleptus speciosa Curtis, 1837
| | |
| Species | Mesoleptus speciosus Curtis, 1837
| | |
| Species | Mesoleptus speculum Forster, 1876
| | |
| Species | Mesoleptus spheginus Gravenhorst, 1829
| | |
| Species | Mesoleptus spilonotus Stephens, 1835
| | |
| Species | Mesoleptus splendens Gravenhorst, 1829
| | |
| Species | Mesoleptus spoliator Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus stalii Holmgren, 1858
| | |
| Species | Mesoleptus sternoleucus Gravenhorst, 1829
| | |
| Species | Mesoleptus stigmaterus
| | |
| Species | Mesoleptus stigmus ♰ J. F. Zhang, 1989
| | |
| Species | Mesoleptus strandi Gregor, 1937
| | |
| Species | Mesoleptus strigosus
| | |
| Species | Mesoleptus stygius Walker, 1874
| | |
| Species | Mesoleptus subcompressus Gravenhorst, 1829 ⇒ Mesoleptus binominatus
| | |
| Species | Mesoleptus subdentatus Forster, 1876
| | |
| Species | Mesoleptus subimpressus Forster, 1876 ⇒ Mesoleptus solitarius
| | |
| Species | Mesoleptus subrugosus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus subsulcatus Forster, 1876
| | |
| Species | Mesoleptus subtilis Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus sylvatica Woldstedt, 1874
| | |
| Species | Mesoleptus sylvaticus Woldstedt, 1874 ⇒ Mesoleptidea sylvatica
| | |
| Species | Mesoleptus taeniolatus Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus tenellus Forster, 1876
| | |
| Species | Mesoleptus tener Gravenhorst, 1829
| | |
| Species | Mesoleptus tenuiventris Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus teredo Hartig, 1847
| | |
| Species | Mesoleptus tobiasi Jonaitis, 2004
| | |
| Species | Mesoleptus transsylvanicus Kiss, 1924 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus transversor Thunberg, 1822 ⇒ Mesoleptus laevigatus
| 2 | Subspecies |
| Species | Mesoleptus trepidus Forster, 1876
| | |
| Species | Mesoleptus tribulator Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus trifoveolatus Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus tripunctus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus tunisiensis Jussila, Saaksjarvi & Bordera, 2010
| | |
| Species | Mesoleptus unalaskae
| | |
| Species | Mesoleptus unipunctus Forster, 1876 ⇒ Mesoleptus laticinctus
| | |
| Species | Mesoleptus unitus Forster, 1876 ⇒ Mesoleptus devotus
| | |
| Species | Mesoleptus vacuus Forster, 1876
| | |
| Species | Mesoleptus vetustus Forster, 1876 ⇒ Mesoleptus laevigatus
| | |
| Species | Mesoleptus vicinus Forster, 1876 ⇒ Campoletis argentifrons
| | |
| Species | Mesoleptus vigilatorius Forster, 1876
| | |
| Species | Mesoleptus vilis Forster, 1876 ⇒ Mesoleptus pronus
| | |
| Species | Mesoleptus vitratorius Gravenhorst, 1829
| | |
| Species | Mesoleptus vividus Woldstedt, 1874 ⇒ Anisotacrus xanthostigma
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| Species | Mesoleptus volubilis Forster, 1876
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| Species | Mesoleptus vulneratus Zetterstedt, 1838
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| Species | Mesoleptus xanthopsana Gravenhorst, 1829
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| Species | Mesoleptus xanthostigma Gravenhorst, 1829
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