Atheta (Hydrosmectomorpha) quebecensis, Webester and Klimaszewski, 2018

Klimaszewski, Jan, Webster, Reginald P., Davies, Anthony & Bourdon, Caroline, 2018, Description of Hydrosmectomorpha Klimaszewski and Webster, a new subgenus of Atheta C. G. Thomson, with three new Canadian species (Coleoptera: Staphylinidae: Aleocharinae), Insecta Mundi 648, pp. 1-12: 6-7

publication ID

http://doi.org/10.5281/zenodo.3708236

publication LSID

lsid:zoobank.org:pub:DBEAD659-A6B3-4579-9F64-D4D2C1301D10

DOI

http://doi.org/10.5281/zenodo.3717192

persistent identifier

http://treatment.plazi.org/id/03823B71-1906-FF82-FF76-8780551F16A3

treatment provided by

Felipe

scientific name

Atheta (Hydrosmectomorpha) quebecensis
status

new species

Atheta (Hydrosmectomorpha) quebecensis   Webster and Klimaszewski, new species

( Fig. 32–38 View Figures 32–38 )

Holotype (male). Canada, Quebec, Bellechase Co., St. Raphael at Rivière du Sud, 46.8071°N, 70.7377°W, 27.VIII.2009, R.P. Webster   , coll. // river margin near waterfall, splashing exposed bedrock with moss near fast flowing water above waterfall, ( CNC) GoogleMaps   . Paratypes. Same locality data as the holotype ( RWC) 1 female.  

Etymology. This species name derives from the name of the province of Quebec, where the original series was found.

Diagnosis. Body subparallel, flattened, length 3.6–3.8 mm; colour dark brown to almost black, with legs and elytra except for scutellar region paler, yellowish-brown ( Fig. 32 View Figures 32–38 ); integument moderately glossy, forebody with fine, moderately dense punctation and faint meshed microsculpture; head slightly narrower than pronotum, eyes large and slightly protruding; antennae moderately robust, all antennomeres at least slightly elongate ( Fig. 32 View Figures 32–38 ); pronotum subquadrate, widest at apical third (0.62 mm); elytra flat- tened, distinctly elongate and broader than pronotum (0.77 mm, at shoulders), at suture about as long as pronotum; abdomen subparallel, broadest at apical third. Male. Tergite VIII with apical margin slightly sinuate, without teeth ( Fig. 34 View Figures 32–38 ); sternite VIII arcuately emarginate basally and broadly rounded apically ( Fig. 35 View Figures 32–38 ); tubus of median lobe of aedeagus in lateral view moderately wide, ventral margin curved basally, then straight to narrow, slightly curved apex ( Fig. 33 View Figures 32–38 ). Female. Apical margin of tergite VIII slightly sinuate, shallowly emarginate medially ( Fig. 36 View Figures 32–38 ); sternite VIII shallowly emarginate at base, apical margin truncate medially, rounded laterally ( Fig. 37 View Figures 32–38 ); spermatheca short, capsule club-shaped with deep apical invagination, stem narrow and straight, with spherical swelling posteriorly ( Fig. 38 View Figures 32–38 ).

Distribution. Origin: Nearctic. CANADA: QC.

Habitat and collection data. Habitat. Found along margin of fast-flowing river above a waterfall. Adults were in exposed moss covered bedrock. The rarely collected Bembidion (Pseudoperyphus) rufotinctum Chaudoir   ( Carabidae   ) occurred in the same habitat. Collecting period. VIII. Collecting method. Collected by splashing exposed moss-covered bedrock in river.

RWC

Reginald Webster

R

Departamento de Geologia, Universidad de Chile

CNC

Canadian National Collection of Insects, Arachnids, and Nematodes

QC

National Museum of Natural History, Bulawayo

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

Genus

Atheta