Omorgus (Omorgus) candezei ( Harold, 1872 )

da Costa-Silva, Vinícius, Strümpher, Werner P., Barclay, Maxwell V. L. & Vaz-de-Mello, Fernando Z., 2024, An illustrated catalogue of South American species of Omorgus Erichson, 1847 (Coleoptera, Trogidae, Omorginae) including a neotype designation and taxonomical changes, Contributions to Entomology 74 (1), pp. 81-101 : 81-101

Omorgus (Omorgus) candezei ( Harold, 1872)

Fig. 1

Trox candezei Harold, 1872: 113 (original description); Burmeister 1876: 259 (as syn. of Trox ciliatus); Bruch 1911: 193 (checklist – as syn. of Trox ciliatus); Arrow 1912: 55 (catalogue – as syn. of Trox ciliatus); Blackwelder 1944: 218 (checklist – as syn. of Trox ciliatus); Vaurie 1962: 153 (redescription).

Trox (Omorgus) candezei : Scholtz 1982: 9 (catalogue).

Omorgus candezei : Scholtz 1990: 1406 (redescription); Diéguez and Gómez 2004: 94 (checklist); Deloya 2005: 122 (checklist); Gómez 2008: 514 (key and notes for Argentinean species); Zidek 2013: 8 (checklist); Zidek 2017: 99 (checklist); Smith 2017: 84 (notes, distribution).

Type specimen examined.

Holotype, by monotypy ( RBINS – Fig. 1 ). First label [red, typeset]: “ Coll. R. I. Sc. N. B. / Argentine / Pampas / ex coll. Candeze ”. Second label [white]: “ det. Harold 1872 / [yellow card, Edgar von Harold`s handwriting] Tr. Candezei / Harold typ. ”. Third label [red, typeset]: “ TYPE ”. Fourth label [white aged with green border]: “ Candezei / Har. / Pampas / Ch. ”. Fifth label [white, printed]: “ Omorgus candezei / (Harold) / det. Scholtz 1988 ” (Fig. 1 C ). Type locality: “ die Pampas von Südamerika ” [the Pampas of South America ].

Note.

According to Harold (1872: 114), the holotype was found in a factory in Verviers ( Belgium) in a consignment of sheep’s wool originally from the Pampas region ( Argentina).

Geographic distribution.

Argentina ( Vaurie 1962; Scholtz 1990; Smith 2017).

Non-type examined material

(15 specimens). ARGENTINA – Buenos Aires • 1; C. Bruch leg.; MACN . – Córdoba • 1; [Villa] Yacanto , A. Stevenin leg.; MACN • 1; Calamuchita, “ El Sauco ”; Apr. 1959, M. J. Viana leg.; CVMD . – Mendoza • 1; Santa Rosa, Reserva de Biosfera Ñacuñan ; 22–25 Mar. 2010; G. Arriagada & R. Garcez leg.; CVMD • 1; Santa Rosa, Reserva de Biosfera Ñacuñan ; 11–13 Dec. 2002; V. M. Diéguez leg.; IADIZA . – Río Negro • 1; Río Colorado ; Dec. 1963; Bachmann leg.; CMNC . – Río Negro • 1; Village de Patagones [= Viedma]; Set. 1829; D’Orbigny leg.; MNHN . – San Luis • 2; 18 km S Ariona ; 18–26 Jan. 1982; H. & A. Howden leg.; CMNC • 1; Arizona ; Fev. 1980; M. J. Viana leg.; CVMD • 1; Quines ; 24 Nov. 1995; Flores & Roig leg.; CVMD • 1; San Geronimo ; Fev. 1914; M. J. Viana leg.; CVMD . – Santa Fe • 1; Weiser leg.; MACN . – Santiago del Estero • 1; Lago Mayo ; 22 Mar. – 22 May 1957, Golbach leg.; IFML . – Tucumán • 1; A. Breyer leg.; MACN .

Figures

Figure 1. Holotype of Trox candezei Harold, 1872 (now Omorgus candezei). A. Habitus in dorsal view; B. Habitus in lateral view; C. Labels. Photos by Jonathan Brecko (RBINS). Length of specimen: 10.5 mm.