Halobrecta algophila ( Fenyes, 1909 )

Gusarov, Vladimir I., 2004, A revision of the Nearctic species of the genus Halobrecta Thomson, 1858 (Coleoptera: Staphylinidae: Aleocharinae) with notes on some Palaearctic species of the genus, Zootaxa 746, pp. 1-25: 8-13

publication ID

10.5281/zenodo.158213

publication LSID

lsid:zoobank.org:pub:BC6038C7-C268-461C-A711-FD4EFD3BBE1E

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http://treatment.plazi.org/id/856E87A0-2F04-222D-567F-BA38F64BFB19

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scientific name

Halobrecta algophila ( Fenyes, 1909 )
status

 

1. Halobrecta algophila ( Fenyes, 1909) 

( Figs. 18–36View FIGURES 18 – 21View FIGURES 22 – 29View FIGURES 30 – 36)

Atheta (Halobrectha) algophila Fenyes, 1909: 419  .

Atheta  (s. str.) barbarae Casey, 1910: 18  , syn. nov.

Atheta  (s. str.) importuna Casey, 1911: 111  , syn. nov.

Atheta (Halobrecta) algophila: Fenyes, 1920: 185  (as valid species).

Atheta (Halobrecta) algophila: Bernhauer & Scheerpeltz, 1926: 621  (as synonym of At. flavipes  ). Atheta  (s. str.) barbarae: Bernhauer & Scheerpeltz, 1926: 638  (as valid species). Atheta  (s. str.) importuna: Bernhauer & Scheerpeltz, 1926: 644  (as valid species). Halobrecta algophila: Moore & Legner, 1975: 434  (as valid species).

Halobrecta algophila: Seevers, 1978: 263  (as valid species).

Halobrecta algophila: Ashe  in Newton, Thayer, Ashe & Chandler, 2000: 369 (as valid species). Halobrecta algophila: Hammond, 2000: 275  (as valid species).

Halobrecta flavipes: Pace, 2000: 376  (ex parte; as valid species; misidentification).

Halobrecta flavipes: Klimaszewski, Maus & Gardiner, 2002: 483  (as valid species; misidentification).

Halobrecta algophila: Klimaszewski, Maus & Gardiner, 2002: 483  (as synonym of Ha. flavipes  ).

Type material. Lectotype of Atheta algophila  (here designated): ɗ, "San Diego, Cal. [ifornia] Dr. A.Fenyes", " 2590 ", " algophila Feny.  ", " algophila Fen. Cotypus Fenyes  " (yellow label), "Chicago NHMus. M.Bernhauer Collection", " flavipes  [pencil] not = [black pen; by Lohse] (= [pencil; crossed with a black pen; by Lohse] algophila  ) [pencil] no! Lohse [with a black pen; by Lohse]" ( FMNHAbout FMNH); Paralectotypes: Ψ, "San Diego, Cal. [ifornia] Dr. A.Fenyes", " 2597 ", " algophila Fen. Cotypus Fenyes  " (yellow label), "Chicago NHMus. M.Bernhauer Collection" ( FMNHAbout FMNH); Ψ, "San Diego, Cal. [ifornia]", " 2315 ", " Type!", golden circle, "A.Fenyes Collection" (yellow label), " Atheta algophila Feny.  ", "California Academy of Sciences. Type No. 4861 " ( CASC).

Holotype of Atheta barbarae  : Ψ, "S. [anta] Barbara Cal. [ifornia] 2.7. 91 [7.ii. 1891]", " Atheta barbarae Csy.  ", " TYPE USNMAbout USNM 39309 " (red label), " CASEY bequest 1925 " ( NMNHAbout NMNH).

Lectotype of Atheta importuna  (here designated): Ψ, "Cal. [with black dot inside C; California: San Francisco]", " importuna Csy.  ", " TYPE USNMAbout USNM 39298 " (red label), " CASEY bequest 1925 " ( NMNHAbout NMNH).

Additional material. CHILE: Palena Prov.: 2 ɗɗ, 8 specimens (sex undetermined), 4 km NW Chaiten, rocky beach drift, 31.i. 1985 (S. & J.Peck) ( FMNHAbout FMNH); FRANCE: ɗ, Ψ, “ Corsica ” ( FMNHAbout FMNH); NEWAbout NEW ZEALAND: ɗ, Auckland Wattle Bay, shore debris, 11.i. 1984 (P.M.Hammond) ( BMNH); ɗ, 2 ΨΨ, 1 specimen (sex undetermined), Timaru, under littoral algae  , 11.i. 1978 (S.Peck) ( FMNHAbout FMNH); UNITED KINGDOM: ɗ, " 41267 " (C.E.Tottenham); 2 specimens (sex undetermined), South sea, Sharp (iv. 1914); ɗ, Kent, Chatham (G.C.Champion) ( BMNH); UNITED STATES: California: ɗ, without locality data ( BMNH); Humboldt Co.: ɗ, Samoa, 21.vi. 1916 (F.E. Blaisdell) ( CASC); Marin Co.: ɗ, Ψ, Chimney Rock, eelgrass drift, 24–30.iv. 2002 (P.M.Hammond) ( BMNH, ZMUN); San Diego Co.: 7 ɗɗ, 2 ΨΨ, San Diego (A.Fenyes) ( BMNH (2), CASC (5), KSEM (1), ZMUN (1 )).

Diagnosis. Halobrecta algophila  is closely related to Ha. flavipes  , but differs in having the body size smaller on average; and the spatuliform apex of the median lobe smaller (in parameral view), the apex is 1.1 times as wide as the median lobe measured subapically at its narrowest point (1.4–1.5 times in Ha. flavipes  ) ( Figs. 22 –23, 26– 27View FIGURES 22 – 29; 41–44).

Halobrecta algophila  differs from the Mediterranean species tentatively identified as Ha. halensis  (see Discussion for Halobrecta  ) in having a narrower median lobe of the aedeagus (in parameral view) ( Figs. 22 –23, 26– 27View FIGURES 22 – 29; 64).

Halobrecta algophila  differs from the Palaearctic Ha. algae  and Ha. princeps  by having the posterior margin of the male tergum 8 rounded and not crenulate ( Fig. 18View FIGURES 18 – 21) (in Ha. algae  and Ha. princeps  the posterior margin is straight and may be slightly crenulate ( Fig. 52View FIGURES 52 – 55)); and by the apex of the median lobe broader ( Figs. 23, 26View FIGURES 22 – 29; 56).

Halobrecta algophila  differs from the Oriental Ha. cingulata  in having a different shape of the median lobe (in lateral view) ( Figs. 24 –25, 28– 29View FIGURES 22 – 29: this paper; Fig. 9View FIGURES 6 – 12, G: Sawada 1985).

Halobrecta algophila  differs from the Neotropical Ha. discipula  in having a different shape of the median lobe (in parameral view) ( Figs. 22 –23, 26– 27View FIGURES 22 – 29: this paper; Fig. 3View FIGURES 1 – 5: Pace 1999).

Description. Length 3.0– 3.9 mm. Body dark brown, legs, mouthparts and 3–4 basal antennal articles yellow.

Head surface glossy, with weak isodiametric microsculpture, with strong punctation, distance between punctures equal to their diameter. Eyes 0.7–0.9 times as long as temples. Antennal article 2 slightly longer than article 3, article 4 elongate, 5 slightly elongate or subquadrate, 6 subquadrate or slightly transverse, 7–10 transverse, article 11 as long as articles 9 and 10 combined.

Pronotum slightly transverse, 1.2 times as wide as head, width 0.57–0.66 mm, length 0.49–0.57 mm, width to length ratio 1.1–1.2; less glossy than head, isodiametric microsculpture stronger than on disk of head; punctation finer than on head, poorly visible on microsculptured background, distance between punctures equal to 1–2 times their diameter. Elytra much wider (0.57–0.93 mm) and longer (0.61–0.80 mm; measured from humeral angle) than pronotum (elytral length to pronotal length ratio 1.3–1.4), 0.9–1.2 times as wide as long, surface glossy, with weak isodiametric microsculpture; punctation finer than on disk of head but much stronger than on pronotum, distance between punctures equal to their diameter.

Abdominal terga glossy, with poorly visible (at 70 x) microsculpture consisting of transverse waves; with fine punctation, distance between punctures equals 2–4 times their diameter on terga 3–5 and 2–6 times on terga 6–7.

Posterior margin of male tergum 8 rounded and not crenulate ( Fig. 18View FIGURES 18 – 21).

Aedeagus as in Figs. 22 –31, 33– 36View FIGURES 22 – 29View FIGURES 30 – 36.

Spermatheca as in Fig. 32View FIGURES 30 – 36.

Discussion. The types of At. barbarae  and At. importuna  (both females) are similar in external characters to the examined types of Ha. algophila  as well as in the shape of the spermatheca. Although Ha. algophila  and Ha. flavipes  cannot be reliably distinguished without examination of the male genitalia, I consider At. barbarae  and At. importuna  to be synonyms of Ha. algophila  because all examined males from the West Coast belong to that species.

The specimens from Inaccessible Island of the Tristan da Cunha archipelago identified by Klimaszewski et al. (2002) as Ha. flavipes  seem to be misidentified. The (ab)parameral view of the median lobe ( Fig. 1View FIGURES 1 – 5: Klimaszewski et al., 2002) does not agree with that of Ha. flavipes  ( Figs. 41–44View FIGURES 41 – 44: this paper;) but fits Ha. algophila  ( Figs. 22 –23, 26– 27View FIGURES 22 – 29: this paper).

The examined specimens from Chaiten, Chile, listed by Pace (2000) as Ha. flavipes  belong in fact to Ha. algophila  .

Distribution. Halobrecta algophila  is known from the coasts of California, Europe, Chile, New Zealand and Inaccessible Island of the Tristan da Cunha archipelago ( Klimaszewski et al., 2002).

Natural History. Halobrecta algophila  is a marine littoral species.

FMNH

Field Museum of Natural History

USNM

Smithsonian Institution, National Museum of Natural History

NMNH

Smithsonian Institution, National Museum of Natural History

NEW

University of Newcastle

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

Genus

Halobrecta

Loc

Halobrecta algophila ( Fenyes, 1909 )

Gusarov, Vladimir I. 2004

2004
Loc

Halobrecta algophila:

Newton 2000: 369Hammond 2000: 275

2000
Loc

Atheta (Halobrectha) algophila

Fenyes 1909: 419

Loc

Atheta

Casey 1910: 18

Loc

Atheta

Casey 1911: 111

Loc

Atheta (Halobrecta) algophila:

Fenyes 1920: 185

Loc

Atheta (Halobrecta) algophila:

Moore 1975: 434Bernhauer 1926: 621Bernhauer 1926: 638Bernhauer 1926: 644

Loc

Halobrecta algophila:

Seevers 1978: 263

Loc

Halobrecta flavipes:

Pace 2000: 376

Loc

Halobrecta flavipes:

Klimaszewski 2002: 483

Loc

Halobrecta algophila:

Klimaszewski 2002: 483