Contacyphon fuscescens (Klausnitzer, 1976)

Pentinsaari, Mikko, Anderson, Robert, Borowiec, Lech, Bouchard, Patrice, Brunke, Adam, Douglas, Hume, Smith, Andrew B. T. & Hebert, Paul D. N., 2019, DNA barcodes reveal 63 overlooked species of Canadian beetles (Insecta, Coleoptera), ZooKeys 894, pp. 53-150 : 53

Contacyphon fuscescens (Klausnitzer, 1976) Figure 22

Distribution.

Native to North America. Described from New York State (Ithaca) ( Klausnitzer 1976).

Canadian records.

Yukon Territory: Kluane National Park and Reserve, 15-Jul-2014 to 24-Jul-2014 (1 ex, CBG). British Columbia: Naikoon Provincial Park, 24-Jun-2014 to 03-Jul-2014 (4 exx, CBG); Naikoon Provincial Park, 13-Jul-2014 to 31-Jul-2014 (5 exx, CBG); Naikoon Provincial Park, 08-Aug-2014 to 15-Aug-2014 (4 exx, CBG). Ontario: Puslinch Township, 12-Jun-2010 to 19-Jun-2010 (1 ex, CBG); Short Hills Provincial Park, 26-May-2014 to 09-Jun-2014 (4 exx, CBG); Short Hills Provincial Park, 23-Jun-2014 to 07-Jul-2014 (1 ex, CBG).

Diagnostic information

(based on Klausnitzer 1976). Body length 2.5-3.0 m. Dark brown, basal margin of the pronotum and elytral suture a little paler. Head with granulate punctation, pronotal punctation fine, elytra a little more coarsely punctate than pronotum. Elytra with longitudinal ribs. Male tergite VIII and IX as in Fig. 22C . Aedeagus as in Fig. 22A, B .

Bionomic notes.

The Canadian specimens were collected with Malaise traps in wetlands and close to open water in forests and farmland.

Comments.

Contacyphon fuscescens belongs to the C. coarctatus group of species. It is most reliably identified by the male genitalia. The identification of the Canadian specimens is based on dissected male representatives of the BIN.

Figures

Figures 22 - 24. 22 Contacyphon fuscescens (Klausnitzer) 22 A aedeagus, dorsal plate 22 B aedeagus, ventral plate 22 C male tergite 8 and 9 23 Contacyphon kongsbergensis (Munster) 23 A aedeagus, dorsal plate 23 B aedeagus, ventral plate 23 C male sternite 9 and accessory sclerite 24 Contacyphon obscurellus (Klausnitzer) 24 A aedeagus, dorsal plate 24 B aedeagus, ventral plate 24 C male sternite 9 24 D male tergite 9. Scale bars: 0.2 mm (22 A-C; 23 A-C), 0.5 mm (24 A-D).