Pseudocanthon Bates, 1887

Nazaré-Silva, Everton E. & Silva, Fernando A. B., 2021, A taxonomic revision of the South American species of Pseudocanthon Bates, 1887 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini), Zootaxa 5027 (1), pp. 61-86 : 63

publication ID

https://doi.org/ 10.11646/zootaxa.5027.1.3

publication LSID

lsid:zoobank.org:pub:D8FE51C2-C34F-47CE-87FC-80BAB16C54BD

persistent identifier

https://treatment.plazi.org/id/038A87A7-FFFF-FFAD-71F5-FA5CB8C71980

treatment provided by

Plazi

scientific name

Pseudocanthon Bates, 1887
status

 

Key to the South American species of Pseudocanthon Bates, 1887 View in CoL

1. Pronotum centrally with dense, granulate, and well-impressed microsculpture ( Fig. 2A View FIGURE 2 )............................. 2

- Pronotum centrally with inconspicuous microsculpture ( Fig. 2B View FIGURE 2 )................................................ 4

2. Eighth elytral stria absent ( Fig. 2C View FIGURE 2 ) or reduced to basal one-fourth of elytra. Posterior edge of metafemora regularly curved, not projected towards the abdominal ventrites ( Fig. 4C View FIGURE 4 ). Brazil (Mato Grosso) and Argentina................................................................................... Pseudocanthon vazdemelloi View in CoL new species ( Figs. 3C View FIGURE 3 , 4C View FIGURE 4 ).

- Eighth elytral stria present and extending across approximately the basal half of elytra ( Fig. 2D View FIGURE 2 ). Posterior edge of metafemora slightly angulated at basal third, with expansion towards the abdominal ventrites ( Fig. 4D–E View FIGURE 4 )......................... 3

3. Pygidium metallic green, with orange band at posterior edge ( Fig. 2G View FIGURE 2 ). Apex of parameres pointed in lateral view, curved towards the ventral edge of aedeagus ( Fig. 5E View FIGURE 5 ). Brazil (Mato Grosso and Mato Grosso do Sul).. Pseudocanthon pantanensis View in CoL new species ( Figs. 3E View FIGURE 3 , 4D View FIGURE 4 ) .

- Pygidium completely orange ( Fig. 2H View FIGURE 2 ). Apex of parameres truncate, with small and obtuse projection at ventral edge ( Fig. 5F View FIGURE 5 ). Brasil (Mato Grosso) and Argentina............................ Pseudocanthon chaquensis View in CoL new species ( Figs 3F View FIGURE 3 , 4E View FIGURE 4 ).

4. Dorsal surface of body almost completely black or metallic blue, orange portion restricted to the clypeal surface ( Fig. 3A View FIGURE 3 ). Internal edge of protibia strongly arched ( Fig. 2E View FIGURE 2 ). Venezuela... Pseudocanthon perplexus ( LeConte, 1847) View in CoL ( Figs 3A View FIGURE 3 , 4A View FIGURE 4 ).

- Surface of clypeus, lateral edges of pronotum, humeral angle, lateral and apex of elytra with orange spots ( Fig. 3B–C View FIGURE 3 ). Internal edge of protibia substraight ( Fig. 2F View FIGURE 2 ). Widespread in South America.............................................................................................. Pseudocanthon xanthurus ( Blanchard, 1847) View in CoL ( Figs. 3B–C View FIGURE 3 , 4B View FIGURE 4 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Scarabaeidae

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