Mycotretus egae Crotch, 1876

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 : 34

25. Mycotretus egae Crotch, 1876

Mycotretus egae Crotch, 1876: 442 . Type locality: “Ega” [= Tefé, in the state of Amazonas, North Brazil].

Mycotretus basalis Crotch, 1876: 438 . Type locality: “Ega” [= Tefé, in the state of Amazonas, North Brazil] syn. nov. ( Fig. 4C ).

Mycotretus egae – Gemminger & Harold 1876: 3692. — Kuhnt 1909: 74; 1911: 49. — Blackwelder 1945: 466. — Alvarenga 1994: 25. — Skelley 1998b: 15.

Mycotretus basalis – Gemminger & Harold 1876: 465. — Kuhnt 1909: 76; 1911: 52. — Alvarenga 1994: 21. — Skelley 1998b: 15.

Primary type

Lectotype, here designated ( Fig. 6C )

BRAZIL • “TYPE. [printed], Egae Bates Ega [handwritten] \ TYPE [blue label, printed] \ LECTOTYPE [printed], Mycotretus egae Crotch, 1876 [red label, handwritten]”; UMZC.

Other specimens examined

BRAZIL • 1 ♀ (dissected); “Coleção M. Alvarenga [printed] \ Homeotipo [red label, printed] \ TEFÉ, Amazonas, Brasil, XII-1961, F.M. Oliveira [printed] \ Comparado com tipo [printed] Mycotretus basalis Crotch, 1876 [handwritten] M. Alvarenga det. 1971 [printed]”; MNRJ • 1 ♀ (dissected); “ Borba. Amazonas. [printed] 3.943 [handwritten] \ Coll. J. Guerin. S. Paulo. Brasil. [printed] 18974 [handwritten] \ BORBA, Amazonas, BRASIL [printed] III-1943 [handwritten] Alexandre PARKO [printed] \ Mycotretus basalis Crotch [handwritten] J. Guerin det. 19[printed] 53 [handwritten]”; MZSP .

Distribution

North Brazil ( Alvarenga 1994).

Remarks

Mycotretus egae differs from M. basalis in the more elongated elytral band. However, such a small difference in body coloration is expected to occur in conspecific Mycotretus within the same locality.

Figures

Fig. 4. Crotch primary types (dorsal, labels). A–A’. Lectotype of Mycotretus adalioides Crotch, 1876. B–B’. Lectotype of M. balteatus Crotch, 1876. C–C’. Lectotype of M. basalis Crotch, 1876. D–D’. Lectotype of M. bisseptemguttatus Crotch, 1876. E–E’. Lectotype of M. brasilianus Crotch, 1876. F–F’. Lectotype of M. chilensis Crotch, 1876. Scale bars = 1 mm.

Fig. 6. Crotch primary types (dorsal, labels) cont. A–A’. Lectotype of Mycotretus deyrollei Crotch, 1876. B–B’. Lectotype of M. dimidiatus Crotch, 1876 [= M. seminiger Harold, 1876]. C–C’. Lectotype of M. egae Crotch, 1876. D–D’. Lectotype of M. episcaphoides Crotch, 1876. E–E’. Lectotype of M. fulviceps Crotch, 1876. F–F’. Lectotype of M. fulvilabris Crotch, 1876. Scale bars = 1 mm.