Trogidae MacLeay, 1819,

Costa-Silva, Vinícius, Strümpher, Werner P. & Vaz-de-Mello, Fernando Z., 2021, Review of the Brazilian species of Omorgus Erichson, 1847 (Coleoptera: Trogidae: Omorginae), Journal of Natural History 54 (31 - 32), pp. 1993-2024: 1996-1997

publication ID

http://doi.org/ 10.1080/00222933.2020.1833999

persistent identifier

http://treatment.plazi.org/id/03DA2410-FFAB-FFE1-FE11-FDC7FB051B23

treatment provided by

Carolina

scientific name

Trogidae MacLeay, 1819
status

 

Trogidae MacLeay, 1819 

Omorginae Nikolajev 2005  ; Smith 2006; Zídek 2013; Strümpher et al. 2014b, Strümpher et al. 2016; Zídek 2017; Hielkema and Hielkema 2019.

Omorgus Erichson, 1847  ; Le Conte 1854; Baker 1968; Scholtz 1986; 1990; Browne et al. 1993; Nikolajev, 2005; Zídek 2013; Strümpher et al. 2014b, Strümpher et al. 2016; Zídek 2017; Hielkema and Hielkema 2019.

Key to the subgenera and species of Brazilian Omorgus  :

0 Scape of antennae elongate with pedicel attached subapically; scutellum constricted at base ...................................................................................................................................................... 1 0 ʹ Characteristics not as above ................................................................ Other Trogidae  genera

1 Clypeus with apex reflexed. Scutellum oval. Body surface glabrous, without sculpture ......................................................................... Omorgus (Haroldomorgus) batesi ( Harold, 1872) 

1 ʹ Clypeus straight. Scutellum hastate. Body surface sculptured .... .... Omorgus (Omorgus)  2

2 Pronotum with lateral margin smooth and continuous ...................................................... 3

2 ʹ Pronotum with lateral margins notched posteriorly.............................................................. 5

3 Mesotibiae with outer margin smooth. Odd-numbered elytral costae with raised pilose tubercles............................................. ............................................. O. loxus ( Vaurie, 1955) 

3 ʹ Mesotibiae with outer margin serrate. Odd-numbered elytral costae with distinct flat lustrous areas or round shiny black tubercles.......................................................................... 4

4 Odd-numbered elytral costae with distinct flat lustrous areas.......................................... ................................................................................................................. O. badeni ( Harold, 1872) 

4 ʹ Odd-numbered elytral costae with round shiny and raised black tubercles................... ........................................................................................................................ O. borrei ( Harold, 1872) 

5 Mesotibiae with inner ventral surface glabrous at basal half ( Figure 5dView Figure 5, black arrow) ...................................................................................................... O. persuberosus ( Vaurie, 1962) 

5 ʹ Mesotibiae with inner ventral surface glabrous only at basal one-fifth or less ( Figure 6dView Figure 6, black arrow).................................................................................................................................... 6

6 Pronotum with lateral margin serrate; median- and latero-basal tubercles weakly developed. Odd-numbered elytral costae not prominent or even absent....................... ............................................................................................................ O. suberosus ( Fabricius, 1775) 

6 ʹ Pronotum with lateral margin sinuate; median basal and latero-basal tubercles prominent. Odd-numbered elytral costae prominent, distinctive....................................... .................................................................................................................... O. triestinae Pittino, 1987 

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Trogidae

Loc

Trogidae MacLeay, 1819

Costa-Silva, Vinícius, Strümpher, Werner P. & Vaz-de-Mello, Fernando Z. 2021
2021
Loc

Omorginae

Nikolajev 2005
2005
Loc

Omorgus

Erichson 1847
1847