Atheta klagesi Bernhauer, 1909

Gusarov, Vladimir I., 2003, Revision of some types of North American aleocharines (Coleoptera: Staphylinidae: Aleocharinae), with synonymic notes, Zootaxa 353 (1), pp. 1-134 : 66-70

Atheta klagesi Bernhauer, 1909

( Figs. 93–102 )

Atheta (s. str.) klagesi Bernhauer, 1909: 524 .

Atheta (Delphota) cephalina Casey, 1910a: 18 , syn. nov.

Atheta (s. str.) nympha Casey, 1910a: 42 , syn. nov.

Atheta (s. str.) discreta Casey, 1910a: 42 (nec Casey, 1893: 335, nec Casey, 1910a: 79), syn. nov.

Pseudota dissensa Casey, 1910a: 115 , syn. nov.

Atheta (s. str.) villica Casey, 1911a: 97 , syn. nov.

Atheta (s. str.) klagesi: Fenyes, 1920: 213 (as valid species).

Atheta (s. str.) cephalina: Fenyes, 1920: 215 (as valid species).

Atheta (s. str.) nympha: Fenyes, 1920: 214 (as valid species).

Atheta (s. str.) discreta: Fenyes, 1920: 214 (as preoccupied name).

Atheta (Pancota) dissensa: Fenyes, 1920: 202 (as valid species).

Atheta (s. str.) villica: Fenyes, 1920: 214 (as valid species).

Atheta (s. str.) klagesi: Bernhauer & Scheerpeltz, 1926: 644 (as valid species).

Atheta (s. str.) cephalina: Bernhauer & Scheerpeltz, 1926: 640 (as valid species).

Atheta (s. str.) nympha: Bernhauer & Scheerpeltz, 1926: 647 (as valid species).

Atheta (s. str.) discreta: Bernhauer & Scheerpeltz, 1926: 641 (as preoccupied name).

Atheta (Pancota) dissensa: Bernhauer & Scheerpeltz, 1926: 661 (as valid species).

Atheta (s. str.) villica: Bernhauer & Scheerpeltz, 1926: 651 (as valid species).

Atheta (s. str.) disca Moore & Legner, 1975: 359 (replacement name for At. discreta Casey, 1910a: 42 ), syn. nov.

Atheta (s. str.) discreta: Moore & Legner, 1975: 359 (as synonym of At. disca ).

Xenota klagesi: Seevers, 1978: 268 (as valid species).

Xenota cephalina: Seevers, 1978: 268 (as valid species).

Xenota nympha: Seevers, 1978: 268 (as valid species).

Xenota discreta: Seevers, 1978: 268 (as valid species).

Pseudota dissensa: Seevers, 1978: 260 (as valid species).

Xenota villica: Seevers, 1978: 269 (as valid species).

Type material. Lectotype of Atheta klagesi (here designated): ♂, “Me. [Maine]”, “ Frost ”, “1654.”, “153.”, “ Klagesi Brh. Cotypus. Fenyes” (yellow label), “ Chicago NHMus M.Bernhauer Collection ” (FMNH). Paralectotypes: ♀, “Jeannette, viii, Pa. [Pennsylvania], “Klages”, “ Klagesi Brh. Cotypus. Fenyes” (yellow label), “Chicago NHMus M.Bernhauer Collection ”; ♂, “Jeannette, viii, Pa. [Pennsylvania], H.G.Klages. ”, “ Klagesi Brh. Typus. Fenyes” (yellow label), “Chicago NHMus M.Bernhauer Collection ” (FMNH).

Lectotype of Atheta cephalina (here designated): ♂, “Ia. [Iowa ( Brendel )]”, “ ♂ ”, “ Delphota cephalina Csy. ”, “TYPE USNM 39485” (red label), “CASEY bequest 1925” ( NMNH) . Paralectotype: ♀, “Ia. [Iowa ( Brendel )]”, “ cephalina PARATYPE USNM 39485” (red label), “CASEY bequest 1925” ( NMNH) .

Lectotype of Atheta nympha (here designated): ♂, “N.[ew] Y.[ork, Catskill Mts. ]”, “ Atheta nympha Csy. ”, “TYPE USNM 39276” (red label), “CASEY bequest 1925” ( NMNH) . Paralectotypes: 5♂♂, 3♀♀, “N.[ew] Y.[ork, Catskill Mts. ]”, “ nympha PARATYPE USNM 39276” (red label), “CASEY bequest 1925” ( NMNH) .

Lectotype of Atheta discreta (here designated): ♂, “N.[ew] Y.[ork, Catskill Mts. ]”, “ Atheta discreta Csy. ”, “TYPE USNM 39278” (red label), “CASEY bequest 1925” ( NMNH).

Lectotype of Pseudota dissensa (here designated): ♂, “Penn.[sylvania, Philadelphia]”, “ Pseudota dissensa Csy. ”, “TYPE USNM 39147” (red label), “CASEY bequest 1925” ( NMNH).

Holotype of Atheta villica : ♀, “Penn.[sylvania, near Philadelphia]”, “ villica Csy. ”, “TYPE USNM 39231” (red label), “CASEY bequest 1925” ( NMNH).

Additional material. UNITED STATES: Minnesota: Lake Co.: ♂, 22 km NE Two Harbors, Split Rock Lighthouse State Park, Hwy. 61, 47º10.99'N 91º24.52'W, 70 m, in forest litter, Betula , Picea , Populus , Rubus , Majanthemum , ferns, 10.vii.1999 (V.I.Gusarov) ( SPSU); New Jersey: Warren Co.: 2♀♀, 24 km NW Hackettstown, Dunnfield Creek Nat. Area, 40º58.33'N 75º07.49'W, 20 m, Quercus , Acer , 5.iv.1999 (V.I.Gusarov) ( SPSU); New York: Orange Co.: 3♂♂, 2♀♀, 8 km S New Windsor, Black Rock Forest, 9.v.1998 (V.I.Gusarov); 5♂♂, 2♀♀, ditto but 23–25.v.1998 ( SPSU); CANADA: Québec: ♂, Parc de la Gatineau, 11 km E Chelsea, Champlain, 26.ix.1998 (V.I.Gusarov); ♂, Chûte­aux­Galets, 1.viii.1994; ♂, 190 km NW Montréal, Mont­Laurier, 46º34'N 75º29'W, 5.vii.1994 ( SPSU).

Diagnosis. Atheta klagesi can be recognized by the following combination of characters: head and abdominal terga 5–6 black; pronotum, abdominal terga 3–4 and 7–8, and antennal articles 4–11 or 3–11 brown; elytra yellow with vaguely defined darker areas around scutellum and in postero­lateral angles; antennal articles 1–2 or 1–3, legs and mouthparts yellow; antennal articles 5–10 strongly transverse, article 10 twice as wide as long; pronotal pubescence of type V ( Benick & Lohse 1974); mesotibial macrosetae thin, as long as tibial width; posterior margin of male tergum 8 convex and crenulate ( Figs. 93, 95 ); aedeagus as in Figs. 99–102 ; and spermatheca as in Fig. 98 .

Discussion. The types of At. klagesi , At. cephalina , At. nympha , At. discreta , Ps. dissensa and At. villica are similar in external characters and the shape of the aedeagus and spermatheca. All these names are considered to be synonyms.

Atheta cephalina is the type species of the subgenus Delphota Casey, 1910a by original designation. Pseudota dissensa is the type species of the genus Pseudota Casey, 1910a by original designation (Casey first species rule). Casey did not specifically state in his description of Pseudota that Ps. dissensa was the type species of Pseudota ; however, while designating the type species of Noverota Casey, 1910a in the same paper, Casey stated (1910a, p. 90): “The first species may be regarded as the type, as in all other cases where the type is not specifically named”.

Since both At. cephalina and Ps. dissensa are synonyms of At. klagesi , the names Delphota and Pseudota are subjective synonyms of each other, irrespective of what subgenera in the genus Atheta are accepted as valid. The problem of subgeneric placement of At. klagesi within Atheta is outside the scope of the present paper. The matter will be addressed in a separate work when the generic revision of the tribe Athetini is completed.

Distribution. Atheta klagesi is known from the eastern United States (Minnesota, Iowa, Pennsylvania, New Jersey, New York, Maine) and eastern Canada (Québec).

Figures

FIGURES 93–97. Abdominal segment 8 of Atheta klagesi Bernhauer (male, lectotype of At. klagesi (93–95); and female, paralectotype of At. nympha Casey (96–97)). 93 — male tergum 8; 94 — male sternum 8; 95 — apex of male tergum 8; 96 — female tergum 8; 97 — female sternum 8. Scale bar 0.1 mm (95), 0.2 mm (93–94, 96–97).

FIGURES 98–102. Genitalia of Atheta klagesi Bernhauer (male, lectotype of At. klagesi (99–102); and female, paralectotype of At. nympha Casey (98)). 98 — spermatheca; 99 — median lobe, parameral view; 100 — apex of median lobe, parameral view; 101 — median lobe, lateral view; 102 — apex of median lobe, lateral view. Scale bar 0.1 mm (98, 100, 102), 0.2 mm (99, 101).