Mycomystes melanophthalmus ( Duponchel, 1825 ) Pecci-Maddalena & Skelley & Lopes-Andrade, 2021

Pecci-Maddalena, Italo S. C., Skelley, Paul & Lopes-Andrade, Cristiano, 2021, Taxonomic review of Mycomystes Gorham, 1888 (Coleoptera: Erotylidae: Tritomini), Journal of Natural History 54 (47 - 48), pp. 3075-3102 : 3090-3091

Mycomystes melanophthalmus ( Duponchel, 1825) , new combination

Figure 6, 9–10 , 15 , 40–48 , 55

Erotylus melanophthalmus Duponchel, 1825: 160 [description].

Mycotretus melanophthalmus ( Duponchel, 1825) . Lacordaire 1842: 179 [generic transference to Mycotretus ]; Guérin-Méneville 1855: 610; Crotch 1876: 448; Gemminger and Harold 1876: 3693; Kuhnt 1909: 72; Kuhnt 1911: 51; Blackwelder 1945: 466; Guérin 1948: 20; Alvarenga 1994: 29; Skelley 1998: 16; Pecci-Maddalena and Lopes-Andrade 2020: 585.

Erotylus (Brachymerus) cinctellus Guérin-Méneville, 1841: 153 [description], new synonym.

Mycotretus cinctellus (1841) . Lacordaire 1842: 178 [generic transference to Mycotretus ]; Crotch 1876: 447; Gemminger and Harold 1876: 3692; Kuhnt 1909: 71; Kuhnt 1911: 48; Bruch 1914: 384; Deelder 1942: 88; Mader 1942: 172; Mader 1951: 212; Blackwelder 1945: 466; Guérin-Méneville 1841: 153–154; Alvarenga 1994: 22; Skelley 1998: 16; McHugh and Chaboo 2015: 278.

Mycotretus discoidalis Taschenberg, 1870: 199 [description], new synonym. Gemminger and Harold 1876: 3692; Kuhnt 1909: 73; Kuhnt 1911: 49; Mader 1942: 173; Mader 1951: 214; Blackwelder 1945: 466; Alvarenga 1994: 24; McHugh and Chaboo 2015: 278.

Figures

Figure 55. Geographical distribution of species of Mycomystes Gorham, 1888. Mycomystes apicalis (Lacordaire, 1842), Mycomystes coccineus (Lacordaire, 1842), (Diamond) Mycomystes melanophthalmus (Duponchel, 1825), Mycomystes nigriventris Pecci-Maddalena and Lopes-Andrade, 2020 and Mycomystes peruvianus (Kirsch, 1876).

Figures 1-12. Generic diagnostic characters of Mycomystes Gorham, 1888: (1) Head of M. peruvianus (Kirsch, 1876), arrow showing the complete clypeal marginal bead. (2) Subgenal braces of M. coccineus (Lacordaire, 1842), arrow showing the inner carina. (3) Partial view of the mouthparts of M. coccineus, big arrows showing the apical maxillary palpomeres and small arrow showing an apical labial palp. (4) Right mandible of M. nigriventris Pecci-Maddalena and Lopes-Andrade,2020, arrow showing the teeth. (5–6) Mentum plate of M. coccineus and M. melanophthalmus (Duponchel, 1825), respectively. (7) Partial view of the pronotum and elytra of M. apicalis (Lacordaire, 1842), arrows showing the basal elytral marginal bead. (8–9) Mesotibia of M. apicalis and M. melanophthalmus, respectively. (10–11) Metendosternite of M. melanophthalmus and of a male of M. coccineus, respectively,arrow in Figure 10 showing the anterior tendon. (12) Abdomen of M. peruvianus, arrows showing the coxal lines. Scale bars: 0.1 mm (2, 4–6, 10–11); 0.25 mm (8–9); 0.5 mm (3, 7).

Figures 13-18. Genitalia of Mycomystes Gorham, 1888: (13–16) Male flagellar head of M. apicalis (Lacordaire, 1842), M. coccineus (Lacordaire, 1842), M. melanophthalmus (Duponchel, 1825), M. nigriventris Pecci-Maddalena and Lopes-Andrade, 2020, respectively. (17–18) Female genitalia of M. nigriventris and M. coccineus, respectively, arrows showing the vaginal process. Scale bars: 0.1 mm (13–17).

Figure 40-48. Specimens of Mycomystes melanophthalmus (Duponchel, 1825): (40–41) Lectotype of Erotylus melanophthalmus Duponchel, 1825 (MRSN) and its labels. (42–43) Male from Rio Grande do Sul (South Brazil) (MCNZ). (44) Head of a specimen from the Araucárias Reserve (Paraná, Brazil (FSCA). (45–46) Lectotype of Erotylus (Brachymerus) cinctellus Guérin-Méneville,1841, new synonym (MNHN). (47–48) Lectotype of Mycotretus discoidalis Taschenberg,1870, new synonym (ZNS). Scale bars: 1 mm (40, 45); 0.5 mm (42–43).