Mycotretus flavomarginatus Lacordaire, 1842

Pecci-Maddalena, Italo Salvatore de Castro, Lopes-Andrade, Cristiano & Skelley, Paul, 2023, Catalogue of Mycotretus Lacordaire, 1842 (Coleoptera: Erotylidae: Tritomini): an annotated, illustrated and historical approach, European Journal of Taxonomy 876 (1), pp. 1-182 : 129-131

165. Mycotretus flavomarginatus Lacordaire, 1842

Mycotretus flavomarginatus Lacordaire, 1842: 157 . Type locality: “province de Rio-Janeiro” [= Rio de Janeiro, state? locality?, Southeast Brazil].

Mycotretus major Mader, 1955: 477 . Type locality: “ Paraguay: Villarica” syn. nov. ( Fig. 38D ).

Mycotretus flavomarginatus – Crotch 1876: 444. — Gemminger & Harold 1876: 3692. — Kuhnt 1909: 71; 1911: 49. — Blackwelder 1945: 466. — Alvarenga 1994: 26. — Pecci-Maddalena et al. 2021a: 955.

Mycotretus major – Alvarenga 1994: 29.

Primary type

Lectotype, here designated ( Fig. 29 E )

BRAZIL • “ LECTOTYPE [printed] Mycotretus flavomarginatus Lacordaire, 1842 [red label, handwritten]”; MRSN.

Other specimens examined

Paralectotype

BRAZIL • 1♀ (dissected); “Brésil[handwritten]\ Flavomarginatus Lac [handwritten]\Type [handwritten] \ Ex-Musaeo Mniszech [printed] \ PARALECTOTYPE [printed] Mycotretus flavomarginatus Lacordaire, 1842 [yellow label, handwritten]”; MNHN.

Additional material

BRAZIL • 1 ♀ (dissected); “Brasil: MG, Ipatinga, “ Ponte 13 ”, 05.i.2010, leg. Nolasco & C.L.A [printed]”; CELC • 1 ♂ (dissected); “Coleção M. Alvarenga [printed] \ CAMPINAS-SP, 18/X/1979, C.A. Klink [handwritten] \ Mycotretus flavomarginatus Lac. 1842 [handwritten] M. Alvarenga det. [printed] 1984 [handwritten]”; MNRJ • 1 ♂ (dissected); “Coleção M. Alvarenga [printed] \ Colatina, E. Santo Brasil [printed] XI. 1970 [handwritten] A. Silva [printed] \ 1899 [printed] \ Mycotretus 183 [handwritten] \ n. sp. [handwritten] \ Tibia posterior fortemente curvada. ♂? [handwritten]”; MNRJ.

Distribution

Paraguay, Southeast Brazil.

Remarks

We dissected specimens of M. flavomarginatus and M. major and their male genitalia morphology is exactly the same. The holotype of M. major is probably just a barely pigmented individual of M. flavomarginatus .

Figures

Fig. 38. A–B, D–F. Mader primary types (dorsal, labels). A–A’. Holotype of Mycotretus antesignatus Mader, 1942 [= Mycolybas antesignatus (Mader) comv. nov.]. B–B’. Holotype of M. cunctans Mader, 1942. C–C’. M. quadripunctatus ab. luteobifasciatus Mader, 1942 (invalid name). D–D’. Holotype of M. major Mader, 1955. E–E’. Holotype of M. opalizans Mader, 1942. F–F’. M. opalizans ab. posticenigrum Mader, 1942 (invalid name). Scale bars: A, C–F = 1 mm; B = 2 mm.

Fig. 29. Lacordaire specimens cont. A, C–F. Primary types (dorsal, labels). A–A’. Lectotype of Mycotretus dytiscoides Lacordaire, 1842. B–B’. Specimen of M. episcopalis Lacordaire, 1842 from the Alvarenga collection (MNRJ, Brazil). C–C’. Lectotype of M. fasciolatus Lacordaire, 1842. D–D’. Lectotype of M. figuratus Lacordaire, 1842. E–E’. Lectotype of M. flavomarginatus Lacordaire, 1842. F–F’. Holotype of M. floriger Lacordaire, 1842. Scale bars: A, C–F = 1 mm; B = 0.5 mm.