MORPHOLOGY OF JUVENILE INSTARS OF GYMNODAMAEUS ADPRESSUS AND ALEURODAMAEUS SETOSUS (ACARI: ORIBATIDA: GYMNODAMAEOIDEA)

About authors:

Sergey G. Ermilov, e-mail

X-BIO Institute, Tyumen State University, Tyumen, Russia

Ryabinin N.A., Institute of Water and Ecological Problems, Russian Academy of Sciences, Khabarovsk 680000, Russia
Alexander A. Khaustov,  e-mail

X-BIO Institute, Tyumen State University, Tyumen, Russia

Annotation:

The morphology of all juvenile instars of the oribatid mites Gymnodamaeus adpressus (Aoki and Fujikawa, 1971) and Aleurodamaeus setosus (Berlese, 1883) is described and illustrated. Juvenile instars of Gymnodamaeus adpressus differ from those of G. bicostatus by the length of exobothridial and gastronotic setae in larva; by the length of exobothridial and gastronotic setae, number of gastronotic and scalpal setae, absence of protonymphal setae of segment AD and deutonymphal setae of segment AN in nymphs. Juvenile instars of Aleurodamaeus setosus differ from those of A. africanus by the length of gastronotic setae da in larva; by the length of prodorsal setae, body size, number of genital setae in nymphs.

Bibliography:

Aoki, J. and Fujikawa, T. 1971. A new species of the
genus Allodamaeus Banks (Acari, Gymnodamaei-
dae). Taxonomic notes on oribatid mites Hokkai-
do. V. The Zoological Society of Japan, 44 (2):
113–116.

Bayartogtokh, B. and Schatz, H. 2009. Two new spe-
cies of the genus Gymnodamaeus (Acari: Oribati-
da: Gymnodamaeidae) from Tyrol (Austria), with
remarks on diversity and distribution of the known
species. Revue Suisse de Zoologie, 116: 31–51.

Bulanova-Zachvatkina, E.M. 1967. Pantsirnye klesh-
chi — Oribatidy [Oribatid mites]. Vysshaya Shko-
la Press, Moscow, 254 p. [in Russian]

Bulanova-Zachvatkina, E.M. 1975. Superfamily
Gym-nodamaeoidea. In: Ghilyarov M.S. (ed.). Opredeli-
tel pochvoobitayushchikh kleshchey. Sarcopti-
formes [Key to soil inhabiting mites. Sar­ op­iformes].
c t Nauka Press, Moscow: 116–120. [in Russian]

Ermilov, S.G. and Lochynska, M. 2010. Morphology of
juvenile instars of Gymnodamaeus bicostatus
(Koch, 1835) (Acari, Oribatida, Gymnodamaeidae).
North-Western Journal of Zoology, 6: 182–189.

Ermilov, S.G., Sidorchuk, E.A. and Rybalov, L.B.
2010. Morphology of juvenile instars of Pedro-
cortesella africana Pletzen, 1963 and Aleuro-
damaeus africanus Mahunka, 1984 (Acari, Orib-
atida). Annales Zoologici, 60: 391–406.

Grandjean, F. 1928. Deux nouveaux Oribatei d’Espagne.
Bulletin de la Société zoologique de France, 53:
424–441.

Grandjean, F. 1953. Essai de classification des Oribates
(Acariens). Bulletin de la Société zoologique de
France, 78: 421–446.

Pérez-Iñigo, C. 1970. Acaros Oribátidos de suelos de
España Peninsular e Islas Baleares (Acari, Oriba-
tei). Parte II. Eos, 45: 241–317.

Subías, L.S. 2004. Listado sistemático, sinonímico y
biogeográfico de los ácaros oribátidos (Acarifor-
mes: Oribatida) del mundo (excepto fósiles).
Graellsia, 60 (número extraordinario): 3–305.
Online version actualized in April 2009. 547 pp.;
http://www.ucm.es/info/zoo/Artropodos/Catalo-
go.pdf