Atheta (Hydrosmectomorpha)

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: 3-4

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.3718349

persistent identifier

http://treatment.plazi.org/id/03823B71-1905-FF8F-FF76-864253811524

treatment provided by

Felipe

scientific name

Atheta (Hydrosmectomorpha)
status

 

Key to species of Atheta (Hydrosmectomorpha)  

1. Antennomeres VIII–X subquadrate to slightly elongate ( Fig. 16 View Figures 16–23 ); apical margin of male tergite VIII truncate and slightly ( NB specimens) to strongly sinuate (BC specimens), and a small tooth near each lateral angle ( Fig. 19a,b View Figures 16–23 ); apical part of median lobe of aedeagus very narrow and pointed and arcuate in lateral view, ventral margin of median lobe of aedeagus for the most part curved in lateral view ( Fig. 17, 18 View Figures 16–23 ); apical margin of female sternite VIII with broad medial emargination bordered on each side by an angular projection ( Fig. 21 View Figures 16–23 ); spermatheca small, capsule tubular and club-shaped, apical invagination small; stem curved at base of capsule, straight to small spherical posterior swelling ( Fig. 23 View Figures 16–23 )............... A. meduxnekeagensis   Webster and Klimaszewski, new species

— Antennomeres VIII–X distinctly elongate ( Fig. 8 View Figures 8–15 , 24 View Figures 24–31 , 32 View Figures 32–38 ); ventral margin of median lobe in large part straight in lateral view ( Fig. 9 View Figures 8–15 , 25 View Figures 24–31 , 33 View Figures 32–38 ); other structures not as above.............. 2

2(1). Antennomeres VIII–X each about twice as long as wide ( Fig. 24 View Figures 24–31 ); apical margin of male tergite VIII with broadly V-shaped median emargination forming two lobe-like processes, without lateral teeth ( Fig. 26 View Figures 24–31 ); apical margin of female tergite VIII truncate medially ( Fig. 28 View Figures 24–31 ); spermatheca with capsule broadly club-shaped, apical invagination small; stem short, straight or sinuate ( Fig. 30, 31 View Figures 24–31 ).................. A. vincenti   Webster and Klimaszewski, new species

— Antennomeres VIII–X each less than twice as long as wide ( Fig. 8 View Figures 8–15 , 32 View Figures 32–38 ); other structures not as above...................................................................... 3

3(2). Apical margin of male tergite VIII with two small lateral and six or many minute denticles near middle ( Fig. 11 View Figures 8–15 ); basal margin of male sternite VIII deeply emarginate medially ( Fig. 12 View Figures 8–15 ); median lobe of aedeagus in lateral view almost straight except apex bent abruptly ventrad ( Fig. 9 View Figures 8–15 ); apical margin of female tergite VIII distinctly broadly emarginate medially ( Fig. 13 View Figures 8–15 ); spermatheca highly sinuate ( Fig. 15 View Figures 8–15 ). A. newfoundlandica (Klimaszewski and Langor)  

— Apical margin of male tergite VIII sinuate, without denticles ( Fig. 34 View Figures 32–38 ); basal margin of male sternite VIII slightly emarginate medially ( Fig. 35 View Figures 32–38 ); median lobe of aedeagus in lateral

view broadly curved at base and at apex ( Fig. 33 View Figures 32–38 ); apical margin of female tergite VIII slightly emarginate medially ( Fig. 36 View Figures 32–38 ); spermatheca bent at middle, stem straight ( Fig. 38 View Figures 32–38 )..................... A. quebecensis   Webster and Klimaszewski, new species

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

Genus

Atheta