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Tokukobelba is proposed as a new genus in the oribatid
mite family Damaeidae Berlese, 1896. The species
Tokukobelba compta (Kulczyński, 1902) comb.
nov. is redescribed based on specimens collected in
Heidelberg in Germany. The distinguishing traits of
Tokukobelba, which include the presence of prodorsal
apophyses Aa and Ap, the occurrence of only 2 setae
on femur IV, and a solenidion coupled with the dorsal
seta d on the tibiae of legs I-IV are most unusual for a
damaeid mite. The taxonomy and evolutionary systematics
of the new genus are discussed. Evidence from
comparative morphology suggests a basal position of
Tokukobelba within its family.
Belba sculpta was found in a xerothermic habitat on
late Pleistocene aeolian sand deposits in the Dossenwald
near Mannheim in Southern Germany. This oribatid
mite species is so far unknown from Central Europe.
The taxon is redescribed on the basis of the new material,
and the larva and nymphs are documented for
the first time. Aspects of the taxonomy, evolutionary systematics
and ecology of Belba sculpta are discussed.
The Belba sculpta species group is introduced.
Collection records for Baden-Württemberg in Germany
are provided for seven rare oribatid mite species, five
of which are so far unknown from this federal state. The
species Camisia biverrucata (C. L. Koch, 1840), Microzetorchestes
emeryi (Coggi, 1898), Neoliodes theleproctus
(Hermann, 1804), Parhypochthonius aphidinus
Berlese, 1904 and Scapheremaeus palustris (Sellnick,
1924) were discovered in sites in Mannheim. Camisia
invenusta (Michael, 1888) and Licnobelba latiflabellata
(Paoli, 1908) originate from the Königstuhl mountain
near Heidelberg. Camisia invenusta is recorded for the
first time in Germany.