Erotylus is a genus in the pleasing fungus beetle family (Erotylidae). This neotropical genus belongs to the subfamily Erotylinae, of which it is the type genus.

Most of the roughly 100 species of Erotylus are found in the Amazon Basin. Some occur in the eastern Andes foothills, and a few are found in Central America north to Honduras. The occasional reports further north are probably introduced individuals.

Species: The following species are placed here:

• Erotylus aegrotus Lacordaire, 1842
• Erotylus aequatoris Kirsch, 1883
• Erotylus apiatoides Mader, 1942
• Erotylus aulicus Lacordaire, 1842
• Erotylus bellopictus Kuhnt, 1910
• Erotylus bibalteatus Alvarenga, 1976
• Erotylus boylei Alvarenga, 1971
• Erotylus buckleyi Crotch, 1876
• Erotylus cassidoides Crotch, 1876
• Erotylus chevrolati Lacordaire, 1842
• Erotylus cingulatus Crotch, 1876
• Erotylus clarosignatus Kuhnt, 1908
• Erotylus contractus Kuhnt, 1908
• Erotylus cornaliae Guérin-Méneville, 1855
• Erotylus crotchi Deelder, 1942
• Erotylus crucifer Kuhnt, 1908
• Erotylus decipiens Crotch, 1876
• Erotylus delenitus Alvarenga, 1976 (= E.hieroglyphicus Crotch, 1876 nec Duponchel 1825: preoccupied)
• Erotylus dilaceratus Kirsch, 1876
• Erotylus egregius Guérin, 1946
• Erotylus elegans Kuhnt, 1908
• Erotylus elegantulus Guérin, 1946
• Erotylus elongatulus Crotch, 1876
• Erotylus flavopunctatus Kuhnt, 1908
• Erotylus flavotaeniatus Kuhnt, 1908
• Erotylus forsteri Delkeskamp, 1957
• Erotylus fulvofasciatus Kuhnt, 1908
• Erotylus giganteus (Linnaeus, 1758)
• Erotylus glaber Kuhnt, 1908
• Erotylus guerini Demay, 1838
• Erotylus hexagrammus Lacordaire, 1842
• Erotylus histrio
• Erotylus histrionicus Duponchel, 1825
• Erotylus imitans Kirsch, 1876
• Erotylus incertus Lacordaire, 1842
• Erotylus incomparabilis Perty, 1832
• Erotylus involutus Kuhnt, 1908
• Erotylus isequeboensis (Voet, 1778) (= E.pustulatus Herbst, 1799, E.variegatus Fabricius, 1781)
• Erotylus jucundus Mader, 1942
• Erotylus kuhnti Deelder, 1942
• Erotylus laetus Deelder, 1942
• Erotylus latreillei Lacordaire, 1842
• Erotylus longulus Guérin, 1956
• Erotylus loratus Erichson, 1847
• Erotylus luteotaeniatus Kuhnt, 1908
• Erotylus margineguttatus Crotch, 1876
• Erotylus marginemaculatus Crotch, 1876
• Erotylus melanostictus Crotch, 1876
• Erotylus mirabilis Kuhnt, 1908
• Erotylus mutatus Mader, 1942
• Erotylus nautae Crotch, 1876
• Erotylus neglectus Mader, 1942
• Erotylus nemo Guérin, 1956
• Erotylus nigrocinctus Kuhnt, 1908
• Erotylus nigromarmoratus Mader, 1942
• Erotylus nigronotatus Gorham, 1888
• Erotylus oblitus Guérin, 1956
• Erotylus ochraceus Guérin, 1946
• Erotylus olivieri Lacordaire, 1842
• Erotylus onagga Lacordaire, 1842
• Erotylus papulosus Lacordaire, 1842
• Erotylus paraensis Alvarenga, 1976
• Erotylus parcepunctatus Crotch, 1876
• Erotylus pardalis Erichson, 1848
• Erotylus parvus Kuhnt, 1908
• Erotylus peregrinus Mader, 1942
• Erotylus permutatus Kuhnt, 1908
• Erotylus peruvianus Crotch, 1876
• Erotylus picturatus Crotch, 1876
• Erotylus pretiosus Perty, 1832
• Erotylus propinquus Kuhnt, 1908
• Erotylus pseudomelanostictus Guérin, 1946
• Erotylus pulcher Mader, 1942
• Erotylus quadricruentatus Alvarenga, 1976
• Erotylus reichei Guérin-Méneville, 1841
• Erotylus rudepunctatus Crotch, 1876
• Erotylus sanguinans Kuhnt, 1908
• Erotylus scaphidomorphoides Crotch, 1876
• Erotylus scenicus Erichson, 1847
• Erotylus schenklingi Kuhnt, 1908
• Erotylus sericeus Delkeskamp, 1957
• Erotylus singularis Kirsch, 1876
• Erotylus spectrum Thomson, 1856
• Erotylus staudingeri Mader, 1935
• Erotylus subreticulatus Guérin-Méneville, 1841
• Erotylus superbus Guérin, 1956
• Erotylus taeniatus Latreille, 1813
• Erotylus terminalis Kuhnt, 1908
• Erotylus theodori Crotch, 1876
• Erotylus trichromaticus Alvarenga, 1976
• Erotylus tripartitus Kuhnt, 1908
• Erotylus ustulatus Erichson, 1847
• Erotylus varians Crotch, 1876
• Erotylus variomaculatus Kuhnt, 1908
• Erotylus vinculatus Lacordaire, 1842
• Erotylus voeti Lacordaire, 1842
• Erotylus ziczac Taschenberg, 1870

The identity of "Erotylus sexfasciatus", described by Fabricius in 1792, is unresolved.

Another supposed member of this genus, "E.flavipes", described from Jamaica by Fabricius in 1781, turned out to be the leaf beetle Colaspis occidentalis described by Linnaeus in 1758.

In addition, species nowadays separated in Erotylina were formerly often placed in Erotylus.