DNA barcodes reveal 63 overlooked species of Canadian beetles (Insecta, Coleoptera)
Author
Pentinsaari, Mikko
Author
Anderson, Robert
Author
Borowiec, Lech
Author
Bouchard, Patrice
Author
Brunke, Adam
Author
Douglas, Hume
Author
Smith, Andrew B. T.
Author
Hebert, Paul D. N.
text
ZooKeys
2019
894
53
150
http://dx.doi.org/10.3897/zookeys.894.37862
journal article
http://dx.doi.org/10.3897/zookeys.894.37862
1313-2970-894-53
D11503CA5A574067817904E0C8C162C8
BAF8B2CC491254A3AC7E08368A2697B5
Trixagus meybohmi Leseigneur, 2005
Figure 26
Distribution.
Recently described, distribution not yet thoroughly known. Apparently widespread in Europe (
Leseigneur 2005
,
Mertlik and Leseigneur 2007
,
Silfverberg 2010
,
Rassi et al. 2015
). Adventive in the Nearctic region (British Columbia, Ontario, Quebec, and Nova Scotia, Canada).
Canadian records.
British Columbia: North Vancouver, 21-Sep-2015 to 02-Oct-2015 (2 exx, CBG); Vancouver, 20-May-2014 to 26-May-2014 (2 exx, CBG); Vancouver, 03-Jun-2014 to 10-Jun-2014 (1 ex, CBG); Vancouver, 12-Aug-2014 to 19-Aug-2014 (2 exx, CBG); Vancouver, 26-Aug-2014 to 02-Sep-2014 (1 ex, CBG); Vancouver, 22-Sep-2014 to 03-Oct-2014 (1 ex, CBG); West Vancouver, 21-Sep-2015 to 02-Oct-2015 (12 exx, CBG). Ontario: Dundas, 22-Sep-2014 to 03-Oct-2014 (1 ex, CBG); Toronto, 21-Sep-2015 to 02-Oct-2015 (3 exx, CBG). Quebec: Montreal, 19-Sep-2014 to 26-Sep-2014 (1 ex, CBG). Nova Scotia: Point Pleasant Park, 25-May-2013 to 01-Jun-2013 (1 ex, CBG); Point Pleasant Park, 14-Jun-2013 to 22-Jun-2013 (1 ex, CBG); Point Pleasant Park, 06-Jul-2013 to 13-Jul-2013 (2 exx, CBG); Point Pleasant Park, 03-Aug-2013 to 10-Aug-2013 (9 exx, CBG); Point Pleasant Park, 10-Aug-2013 to 17-Aug-2013 (7 exx, CBG); Point Pleasant Park, 17-Aug-2013 to 24-Aug-2013 (6 exx, CBG); Point Pleasant Park, 24-Aug-2013 to 31-Aug-2013 (4 exx, CBG); Point Pleasant Park, 31-Aug-2013 to 07-Sep-2013 (1 ex, CBG); Point Pleasant Park, 07-Sep-2013 to 14-Sep-2013 (2 exx, CBG).
Diagnostic information
(based on
Leseigneur 2005
). Body length 2.4-3.2 mm. Habitus as in
Fig. 26A
. Eyes deeply emarginate. Head with slender longitudinal carinae, which are parallel or slightly converging towards the vertex. Sides of pronotum not or only slightly sinuate, slightly angulate in males, rounded or weakly angulate in females. Elytral apex in males with a fringe of long setae (setae as long as antennomere 11), which can be tucked under the elytra and may not be visible without removal of the abdomen. Aedeagus as in
Fig. 26B
.
Bionomic notes.
The Canadian specimens were collected with Malaise traps in city parks and suburban residential areas.
Comments.
Until the North American species of
Trixagus
are revised,
T. meybohmi
is most reliably identified using DNA barcodes or male genitalia.