Revision of the genus Thyreocephalus and description of Afrus gen. nov. of Africa south of the Sahara (Coleoptera: Staphylinidae: Staphylininae)
Author
Janák, Jiří
Author
Bordoni, Arnaldo
text
Zootaxa
2015
4038
1
1
94
journal article
10.11646/zootaxa.4038.1.1
066e84f1-206b-40cb-a615-2126696b813d
1175-5326
289876
1B62B78C-AA59-4417-A4FC-1CC9CED745E0
Thyreocephalus magnus
Janák, 2010
(
Figs. 106–108
,
114–118
)
Thyreocephalus magnus
Janák, 2010
: 135
.
Type
locality.
Guinea
, Coyah.
Type
material examined.
Holotype
♂:
GUINEA
: “W Africa,
Guinea
Coyah,
15.III–15.IV.1969
, leg K. Ferencz”, “
Holotype
,
Thyreocephalus
,
magnus
sp. n.
, J. Janák det. 2002” (
HNHM
).
Paratypes
:
BENIN
: 1 spec.: Village Akongbere near Save,
19.iv.–26.iv.2000
, A. Kudrna Jr. (
JJRC
);
1 ♂
: Bembereke,
2 km
W of Gando,
2– 3.vii.2001
, A. Kudrna Jr. (
JJRC
).
BURKINA FASO
: 1 ♀: Ober Volta Bobo Dioulasso,
x.1983
, H. Politzar (
NHMW
);
5 ♂
, 2 ♀:
Haute-Volta
, Bobo-Dioulasso,
11.12N
,
4.18W
(
MRAC
,
JJRC
).
CAMEROON
: 1 ♀: Joko, Kolin (
MFNB
).
CENTRAL AFRICAN REPUBLIC
:
1 ♂
, 1 ♀: Bambari,
iii.1964
, G. Pierrard (
MRAC
).
GUINEA
:
2 ♂
, 2 ♀: same data as
holotype
(
HNHM
),
JJRC
);
1 ♂
: Région Kindia, Mt. Gangan
750 m
Exped. Mus. G. Frey Franz.
Guinea
1951,
3.v.51
, Bechyne (
NHMW
); 1 ♀: Région Kindia, Mt. Gangan
500 m
, Exped. Mus. G. Frey Franz.
Guinea
1951,
6.v.51
, Bechyne (
NHMW
);
1 ♂
: Coyah,
iv.1967
, K. Ferencz (
HNHM
).
NIGERIA
:
1 ♂
: Kaduna,
10–17.v.1971
, Politzar (
JJRC
); 2 ♀: Kaduna,
ix.1971
, R. Frieser (
MRAC
).
TCHAD
:
1 ♂
: Mondou, Bebedjia,
21.i.1978
, G. Ruella (
MRAC
).
Additional material examined.
BENIN
:
1 ♂
, 1 ♀: E Kandi,
7 km
E Bensekou,
23–24.vii.2001
, A. Kudrna (
ABFI
); 8 spec.:
11 km
S Kerou, Dept. du L'Atakoa,
23.vi.2001
, F. & L. Kistner (
SMNS
,
ABFI
).
BURKINA FASO
: 1 spec.: Ober Volta, Boba Dinlasso [= Bobo-Dioulasso],
11.11N
,
4.18W
,
xii.1985
, Politzar (
MFNB
).
CAMEROON
:
Vina Djivorké (Nyassae)
20.iv.1974
(
ABFI
).
GUINEA
: 1 ♀: Kindia,
22.vi.1983
, S. Murzin (
NHMW
); 6 spec.: Kindia,
1–22.vi.1983
, S. Murzin (
NHMW
,
ABFI
).
IVORY COAST
: 1 spec.: Comoe,
xi.2001
, P. Moretto (
ABFI
);
2 ♂
, 2 ♀: Comoe,
iv.2002
, P. Moretto (
ABFI
).
NIGERIA
:
2 ♂
, 4 ♀: Gashaka Gumti NP,
560m
, Kwano,
07°20´N
;
11° 35´E
,
25.iv.–3.v.2011
, P. Kremitovský (
JJRC
,
VKBC
).
SIERRA LEONE
:
1 ♂
, 1 ♀: Northern Prov., Bumbuna,
6.iv.1996
, W. Rossi (
ABFI
); 1 ♀: Freetown, L. Levasseur coll. (
MNHNP
); 1 ♀: environs de Poli, Mango,
24.iv.1974
(
MNHNP
).
FIGURES 114–118
.
Thyreocephalus magnus
Janák
; 114, head and pronotum (iop—interior ocular puncture, pop—postocular puncture); 115, labrum; 116, male tergite 10; 117, male sternite 9; 118, aedeagus.
Redescription.
Body length
24–35 mm
; length from anterior margin of head to posterior margin of elytra:
14.5–19.5 mm
. Dark reddish-brown or brown, elytra and abdomen red, antennae brownish with apical half of antennal segment 11 reddish-brown (
Fig. 106
). Shiny, very robust and long. Head and pronotum with micropunctation. Head and pronotum and related punctation as in
Figs. 107
,
114
; labrum as in
Fig. 115
. Elytra longer and wider than pronotum, slightly dilated posteriad, with very marked humeral angles. Surface with fine but well visible punctation, arranged in numerous, sometimes irregular, series. Abdomen with extremely fine and dense, transverse micro-striation and fine, not sparse punctation, arranged in numerous series on each segment.
Male
. Tergite 10 and sternite 9 of male genital segment as in
Figs. 116, 117
. Aedeagus (
Fig. 118
) very large, very narrow and long,
3.1–3.3 mm
long, with narrow, acute median lobe; parameres symmetrical; inner sac very narrow and long, with few, little scales.
Differential diagnosis
.
Thyreocephalus magnus
differs from the other species of the group,
T. michaeli
, in the very large dark reddish brown body, rounded punctures on head and more elongate and different shaped aedeagus.
Distribution.
The species is distributed in West and Central Africa (
Fig. 108
).