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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.
The Gelechiidae of the SMNK were curated and rearranged
in a main collection: approximately 35,000
specimens of more than 800 species have been arranged
in 91 drawers. This is the result of the integration
of several separate collections as well as unsorted
specimens. With 125 primary types (holotypes and
lectotypes) and a considerable number of specimens
from poorly studied regions, the Gelechiidae collection
of the SMNK is one of the most species-rich collections
of this family worldwide. The material from the collection
is frequently used in recent taxonomic revisions
of Gelechiidae. The history of the collection is briefly
discussed.
The mite species Scolotydaeus tauricus, so far only known from Yalta on the Crimean Peninsula, was found in a leprose crustose lichen on the mountain Königstuhl in Heidelberg. This is the first record of the family Paratydeidae for Germany. The adult, larva and nymphs of the Scolotydaeus from Heidelberg are described. The juvenile stages of Scolotydaeus tauricus are up to now unknown. Aspects of the taxonomy, morphology and ecology of this species are discussed.