Redescriptions of Indian species of Nigrobaetis Kazlauskas (in Novikova & Kluge) 1987 (Ephemeroptera, Baetidae)
Author
Kluge, Nikita
Department of Entomology, Saint Petersburg State University, Universitetskaya nab., 7 / 9, Saint Petersburg, 199034, Russia.
Author
Sivaruban, T.
PG and Research department of Zoology, The American College, Madurai- 625002, India.
Author
Srinivasan, Pandiarajan
PG and Research department of Zoology, The American College, Madurai- 625002, India.
Author
Barathy, S.
Department of Zoology, Fatima College, Madurai- 625018, India.
Author
Isack, Rajasekaran
PG and Research department of Zoology, The American College, Madurai- 625002, India.
text
Zootaxa
2024
2024-03-04
5418
5
528
550
http://dx.doi.org/10.11646/zootaxa.5418.5.5
journal article
10.11646/zootaxa.5418.5.5
1175-5326
10779995
DA29D841-FF29-481B-9164-6A255EFCF19F
Subgenus
Margobaetis
Kang & Yang 1994
(
Figs 1–89
)
Group
gracilis
:
Novikova & Kluge 1994: 634
(egg, larva).
Subgenus
Margobaetis
Kang & Yang
(in Kang, Chang & Yang) 1994: 11 (partim).
Type
species:
Baetis
(
Margobaetis
)
mundus
Chang & Yang
(in Kang & Chang & Yang) 1994.
Diagnosis.
Egg more or less asymmetric: in typical case one side bluntly cone-like pointed, with surface mostly smooth; opposite side hemispheric or hemi-ellipsoid, with regularly arranged papillae and/or other relief (
Figs 39–43
,
86–89
). Paraglossa narrower than in other
Nigrobaetis
, with apical setae arranged mostly in 2 longitudinal rows (
Figs 17–18
,
54
;
Müller-Liebenau 1969
: Abb. 140e;
Kaltenbach & Gattolliat 2023
: figs 4b, 12b, 18b, 24b–c, 31b–c, 37d).
Composition.
Europe:
Nigrobaetis
(
Margobaetis
)
gracilis
(
Bogoescu & Tabacaru 1957
)
.
Jordan
: probably
N.
(
M.
)
vuatazi
Gattolliat & Sartori
in
Gattolliat
et al
. 2012
(egg structure unknown).
Arabia:
N.
(
M.
)
arabiensis
Gattolliat & Sartori 2008
.
Algeria
: probably
N.
(
M.
)
numidicus
(
Soldan & Thomas 1983
)
(egg structure unknown).
Afrotropical Region: probably
N.
(
M.
)
bethuneae
Lugo-Ortiz & de Moor 2000
(egg structure unknown). In subsequent publications, some other Afrotropical species will be described.
Siberia and Far East:
N.
(
M.
)
bacillus
(
Kluge 1983
)
.
Continental
China
: probably
N.
(
M.
)
trialbus
Li
et al
. 2023
(egg structure unknown).
Taiwan
:
N.
(
M.
)
tatuensis
(Müller-Liebenau 1985)
(= «
Baetis taiwanensis
»:
Kang
et al
. 1994
),
N.
(
M.
)
mundus
(Chang & Yang
in
Kang
et al
. 1994
). Probably also
N.
(
M.
)
facetus
(Chang & Yang
in
Kang
et al
. 1994
),
N.
(
M.
)
terminus
(Chang & Yang
in
Kang
et al
. 1994
) (egg structure unknown).
Oriental Region:
N.
(
M.
)
minutus
(
Müller-Liebenau 1984
)
(=
N. paramakalyani
Kubendran & Balasubramanian
in
Kubendran
et al
. 2015
syn. n.
; =
N. sumbensis
Kaltenbach & Gattolliat 2023
syn. n.
),
N.
(
M.
)
klugei
Sivaruban
et al
. 2022
. Probably also species with unknown egg structure—
N.
(
M.
)
mirabilis
(
Müller-Liebenau 1984
)
,
N.
(
M.
)
gombaki
(
Müller-Liebenau 1984
)
,
N.
(
M.
)
plures
Kaltenbach & Gattolliat 2023
,
N.
(
M.
)
palawus
Kaltenbach & Gattolliat 2023
,
N.
(
M.
)
suma
Kaltenbach & Gattolliat 2023
,
N.
(
M.
)
borneus
Kaltenbach & Gattolliat 2023
,
N.
(
M.
)
kaliman
Kaltenbach & Gattolliat 2023
. Described and figured eggs of
N. plures
,
N. suma
and
N. kaliman
(
Kaltenbach & Gattolliat 2023
: figs 7, 27, 40) are immature, have no definite shape and have no chorion structure. In subsequent publications, some other Oriental species will be described.