Mycotretus minutus ( Duponchel, 1825 )

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 : 65-66

69. Mycotretus minutus ( Duponchel, 1825)

Erotylus minutus Duponchel, 1825: 54 . Type locality: “ Brésil ”.

Mycotretus quadrinus Lacordaire, 1842: 155 ( Fig. 35D ). Type locality: “ Brésil ”.

Mycotretus minutus – Lacordaire 1842: 154. — Crotch 1876: 455. — Gemminger & Harold 1876: 3693. — Kuhnt 1909: 73; 1911: 51. — Blackwelder 1945: 466. — Guérin 1948: 20. — Alvarenga 1994: 29. — Skelley 1998b: 17.

Mycotretus quadrinus – Crotch 1876: 455 [junior synonym]. — Alvarenga 1994: 29. — Skelley 1998b: 17.

Type specimen

Not located.

Other specimens examined

BRAZIL • 1 ♂ spec. (dissected; Fig. 13 E ); “IX [handwritten] 195 [printed] 2 [handwritten] \ Brasilien, Nova Teutonia, 27º11ºB [?].52º23ºL, Fritz Plaumann, 300–500 m [printed] \ DZUP 135192 [printed]”; DZUP • 1 ♀ (dissected); “ Canela, RS, Barragem dos Bugres , 23.XI.1998, Franceschini col [printed] \ Col. MCN [printed] 163.038 [handwritten] \ M. minutus [handwritten]”; MCNZ .

Distribution

South and Southeast Brazil.

Remarks

Mycotretus minutus resembles M. pygmaeus ( Fig. 35C ) in body shape and morphology of male genitalia. In the absence of a larger series of named specimens for comparison, we prefer not to synonymize these species. Duponchel (1825) stated that M. minutus “(…) fait partie de la collection de M. le comte Dejean, qui l’a nommée minutus ”. In the Brême collection (MRSN), there is one specimen labeled “D. Gysselen”, a name that sometimes appears in Dejean’s catalogue (although not close to the name “ minutus ”). We are still in doubt whether that specimen would be the primary type or not; therefore, we prefer not to assign type status to it.

Figures

Fig. 35. Lacordaire primary types (dorsal, labels) cont. A–A’. Lectotype of Mycotretus pulicarius Lacordaire, 1842 [synonym of Mycomystes apicalis (Lacordaire, 1842)]. B–B’. Lectotype of M. pusillus Lacordaire, 1842. C–C’. Lectotype of M. pygmaeus Lacordaire, 1842. D–D’. Lectotype of M. quadrinus Lacordaire, 1842. E–E’. Lectotype of M. quatuordecimguttatus Lacordaire, 1842. F–F’. Lectotype of M. rhodosomus Lacordaire, 1842. Scale bars = 1 mm.

Fig. 13. A–D. Duponchel primary types (dorsal, labels). A–A’. Lectotype of Erotylus coronatus Duponchel, 1825 [currently Mycotretus coronatus (Duponchel)]. B–B’. Lectotype of E. decoratus Duponchel, 1825 [currently M. decoratus (Duponchel)]. C–C’. Lectotype of E. duodecimguttatus Duponchel, 1825 [currentlyM. duodecimguttatus (Duponchel)].D–D’. Lectotype ofE. melanophthalmus Duponchel, 1825 [currently Mycomystes melanophthalmus (Duponchel)]. E–E’. Specimen of M. minutus (Duponchel, 1825) from the DZUP collection (Brazil).F–F’. Specimen of M. nigropunctatus (Duponchel, 1825) from the Brême collection (MRSN). Scale bars: A–D = 1 mm; E = 0.5 mm; F = see Material and methods.