Canthidium (Canthidium) opacum Balthasar, 1939

Chamorro, William, Marin-Armijos, Diego, senjo, Angelico & Vaz-De-Mello, Fernando Z., 2019, Scarabaeinae dung beetles from Ecuador: a catalog, nomenclatural acts, and distribution records, ZooKeys 826, pp. 1-343 : 26-28

Canthidium (Canthidium) opacum Balthasar, 1939 Plate 9A

Canthidium opacum Balthasar, 1939c: 133 (original description. Type locality: Süd-Ecuador).

Canthidium opacum : Vulcano and Pereira 1967: 595 (characters in key).

Canthidium (Eucanthidium) opacum : Martínez and Halffter 1986: 33 (cited for Ecuador); Carvajal et al. 2011: 318-319 (cited for Ecuador); Krajcik 2012: 62 (complete list of species); Bezdek and Hajek 2012: 303 (catalog of type NMPC).

Canthidium (Canthidium) opacum : Cupello 2018: 462 (transferred to the subgenus Canthidium (Canthidium) Erichson, 1847. Cited for Ecuador); Chamorro et al. 2018: 92 (cited for Ecuador).

Type specimens.

Canthidium opacum Balthasar, 1939. The holotype is deposited at the NMPC (ex coll. V Balthasar). Locality: Landangui, examined.

Holotype (sex unknown): "S. ECUADOR / Landangui EW [p]", "Typus [p, red label, black margin]", "Canthidium / opacum / n. sp. / Dr. V. Balthasar det. [p and hw]", "opacum / m. [hw, green label, black margin]", "HOLOTYPE [hw, red label]".

Distribution.

Only known from Ecuador.

Records examined.

Loja: Landangui (1 specimen NMPC).

Temporal data.

It is not known when this species was collected.

Remarks.

Inhabits the foothill evergreen forests of the Amazon region. Collection method unknown.