Contribution to knowledge of the oribatid mite genus Oribatodes (Acari, Oribatida, Cepheusidae), with supplementary descriptions of two species and data on juvenile instars
Author
Ermilov, Sergey G.
Tyumen State University, Institute of Environmental and Agricultural Biology (X-BIO), Tyumen, Russia.
Author
Bayartogtokh, Badamdorj
Department of Biology, School of Arts and Sciences, National University of Mongolia, Ulaanbaatar, Mongolia.
text
Zootaxa
2024
2024-07-23
5485
1
73
91
http://dx.doi.org/10.11646/zootaxa.5485.1.8
journal article
10.11646/zootaxa.5485.1.8
1175-5326
13209663
6B69EC91-47FA-4569-B4FD-119FC9010BD2
Key to known species of
Oribatodes
(adult)
1. Interlamellar seta very long, extending beyond tip of lamella; anterior margin of notogaster almost straight; body length: 850.............................
O. crenulatus
Csiszár, 1962
(see also
Walter
et al
. 2013
). Distribution: Southeast Europe.
- Interlamellar seta not extending beyond tip of lamella; anterior margin of notogaster distinctly convex medially.......... 2
2. Interlamellar seta very short (not longer than diameter of bothridium); foveolae of notogaster specifically deformed; body length: 888.................................................
O. grandis
(
Sitnikova, 1979
)
. Distribution:
Ecuador
.
- Interlamellar seta distinctly longer than diameter of bothridium; foveolae of notogaster rounded, oval or polygonal (not deformed).......................................................................................... 3
3. Notogastral setae
la
,
lm
,
lp
,
h
2
,
h
3
robust, heavily barbed...................................................... 4
- Notogastral setae
la
,
lm
,
lp
,
h
2,
h
3 setiform, not heavily barbed................................................. 5
4. Interlamellar area with foveolae; body length: 530–600..................................................................
O. mirabiloides
(
Jacot, 1938
)
(see also
Baker & Wharton 1952
;
Walter
et al
. 2013
). Distribution: Eastern
U.S.A.
- Interlamellar area with ridges; body length: 557–635............................................
O. decoui
(
Vasiliu & Călugăr, 1977
)
(see also
Balogh & Mahunka 1979
—as for
Cepheus
(
Cubacepheus
)
lobatus
). Distribution: Eastern
U.S.A.
5. Foveolae of notogaster sparsely located, not forming foveolate-reticulate ornamentation; body length: 725........................................................................
O. areolatus
(
Sitnikova, 1979
)
. Distribution:
Ecuador
.
- Foveolae of notogaster closely located, forming foveolate-reticulate ornamentation................................ 6
6. Interlamellar seta long, longer than distance between insertions of
in–in
, robust; rostrum narrowly triangular; body length: 500– 750.....
O. mirabilis
Banks, 1895
(see also
Berlese 1910
;
Banks 1915
;
Walter
et al
. 2013
). Distribution: Northern Nearctic.
- Interlamellar seta medium-sized, almost twice shorter than distance between insertions of
in–in
, setiform; rostrum rounded; body length: 630–690............................
O. reticulatus
(
Sitnikova, 1979
)
. Distribution: Northern Neotropics.