Hologymnetis undetermined
Creators: name: Iorio, Osvaldo Di
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Cetoniidae
Hologymnetis
Hologymnetis undetermined

description: Hologymnetis sp.
Fig. 2 (distribution), 76 (parameres)
Gymnetis (Marmarina) rubida, not Gory & Percheron, 1833: Bruch 1911a: 215 (catalog; distribution): misidentification.
Hoplopyga rubida, not Gory & Percheron, 1833, in part: Schenkling 1921: 102 (catalog; distribution; references); Blackwelder 1944: 264 (catatalog; distribution); Krajčík 1998: 79 (catalog; distribution).
Distribution: ARGENTINA (Schenkling 1921, Blackwelder 1944, Krajčík 1998): Misiones: in the Bruch Collection (Bruch 1911a).
Material examined: ARGENTINA: Misiones: “Gob. Misiones / 3. 189 7 / C. Bruch ”, “ ♂ ”, genitalia mounted in cardboard, 1 male [CBBA], “ Gymnetis / rubida G.P. / var. nigra ” [handwritten by Bruch].
Male genitalia: parameres (Fig. 76).
Note 1: The specimen, identified as G. rubida Gory & Percheron, 1833 by Moser in a letter to Bruch dated 13 October 1908, is completely dull black, and seems to belong to the genus Hologymnetis, while the true G. rubida is currently placed in Hoplopyga (Schenkling 1921, Blackwelder 1944, Krajčík 1998). On the other hand, it cannot be confused with black specimens of Marmarina tigrina due to the well-developed teeth on the external margin of the protibiae. Its male parameres (Fig. 76) are also distinctive from the male parameres of the similar black G. carbo (Fig. 41) or the melanic specimens of G. goryi (Fig. 74). The parameres of this specimen (Fig. 76), fused along the median line, are more similar to the parameres of Hologymnetis undulata (Vigors, 1824) (Fig. 77) than to the parameres of Gymnetis. Therefore, it is referred here tentatively as one undetermined species of Hologymnetis. This genus comprises six species distributed in Central America, and a single, isolated species in South America (Ratcliffe & Deloya 1992). Nevertheless, also the parameres of this specimen serve for distinguish it from nearly black specimens of H. undulata (= Gymnetis consularis Gory & Percheron, 1833). Its melanic condition prevents the description of a new species until further specimens can be found.
Note 2: The mention of Chaco for Gymnetis (Marmarina) rubida by Bruch (1911a) may correspond to confusion with melanic specimens of G. goryi (Fig. 66).
Hoplopyga albiventris (Gory & Percheron, 1833)
Gymnetis albiventris Gory & Percheron, 1833: 73 (description; distribution); Dent 1886: 392 (list; distribution).
Gymnetis (Hoplopyga) albiventris (Gory & Perch.): Bruch 1911a: 214 (catalog; distribution)
Hoplopyga albiventris: Schenkling 1921: 100 (catalog; distribution; references); Blackwelder 1944: 263 (catalog; distribution); Krajčík 1998: 79 (catalog; distribution).
Distribution: BRAZIL (Gory & Percheron 1833, Schenkling 1921, Blackwelder 1944, Krajčík 1998); Minas Gerais (Dent 1886). ARGENTINA (Schenkling 1921, Blackwelder 1944, Krajčík 1998): Misiones: Alto Paraná, in Bruch Collection (Bruch 1911a).
Material examined: PARAGUAY: Altos, I-1914, 1 ex. [MACN]; Cordillera: Peribebuy, [illegible number]- I-1946, Williner leg., 1 ex. [ODIC], 2 exx. [MACN]; ARGENTINA: Misiones: # 7599, 1 ex. [MACN]; Misiones, 190_, C. Bruch, 1 ex. [CBBA]; Bonpland, Jorgensen leg., 1 ex. [CBBA]; Bonpland, 1 ex. [CBBA]; Loreto, Ogloblin leg., Col. Prosen, 1 ex. [MACN]; Loreto, 1 ex. [ODIC]; Corrientes: Dto. Santo Tomé, Provincial Route 94, 20 km S Garruchos, 8-XII-2012, P. Torretta leg., 1 ex. [ODIC].
description: Published as part of Iorio, Osvaldo Di, 2013, A review of the Cetoniinae (Coleoptera: Scarabaeidae) from Argentina and adjacent countries: systematics and geographic distributions, pp. 1-87 in Zootaxa 3668 (1) on page 46, DOI: 10.11646/zootaxa.3668.1.1, http://zenodo.org/record/5266231