15 Works

Conservation of ant material for natural history collections (Hymenoptera: Formicidae)

Alexander Prosche
Correct sampling and preparation of living material build up the heart of all natural history collections. Ideally, the samples outlive their collectors and preparators for centuries. This article gives advice on correct and durable storage of either mounted or ethanol stored material as well as on correct sampling during field work. Furthermore, the advantages and disadvantages of a number of the most common ant preparation techniques for inner and outer body characters are presented, compared,...

Increasing awareness for soil biodiversity and protection The international touring exhibition “The Thin Skin of the Earth”

Willi E. R. Xylander & Helga Zumkowski-Xylander
The Senckenberg Museum of Natural History Görlitz developed an international touring exhibition with the title “The thin skin of the earth – Our soils” as the national contribution to the International Year of the Soil 2015. Since the opening of the exhibition in October 2015 it had been shown at six localities and seen by more than 120.000 visitors. It will tour at least for another four years. The exhibition deals with soil biodiversity, the...

Monthly variation of leaf litter Collembola in the tropical rainforest of Los Tuxtlas, Veracruz, Mexico

José G. Palacios, Blanca E. Mejía, Rosamond Coates, Martha Madora & Gabriela Castaño
In order to evaluate leaf litter Collembola at the tropical rainforest of Los Tuxtlas, Veracruz, México, fifteen pitfall traps were activated monthly for about one week, in a new experimental area during 2015. A total of 4,291 specimens were captured in the 180 samples collected. Ten families were recorded, those better represented were Paronellidae (27 %), Neanuridae (20.5 %), Entomobryidae (16.9 %), Dicyrtomidae (15 %), and Isotomidae (11.6 %). Among the 32 genera reported, most abundant were Trogolaphysa (18 %), Ptenothrix...

Faunistics of oribatid mites (Acari, Oribatida) in dry grassland sites in the Eisack Valley (South Tyrol, Prov. Bolzano, Italy)

Heinrich Schatz
Oribatid mites were investigated in five dry grassland sites in the basin around Klausen / Chiusa (South Tyrol). Soil and litter samples were taken from characteristic microhabitats (dry grassland, dry bushland, rocky steppe). A total of 150 oribatid species belonging to 47 families were encountered, most of them closely associated with dry habitats. Gymnodamaeus irregularis Bayartogtokh & Schatz, 2009 and Liochthonius perelegans Moritz, 1976 are new records for Italy, additional six species are new records...

Two new species records of Proprioseiopsis Muma (Acari: Mesostigmata: Phytoseiidae) from Germany

Farid Faraji, Pierre Mack, Simon Staudt & Jeffrey Kolkman
Proprioseiopsis mauiensis (Prasad, 1968) and P. sharovi (Wainstein, 1975) are new species records for German mite fauna. They are re-described and illustrated.

On the life cycle and parasitism of the trombiculid mite Hirsutiella hexasternalis (Kudryashova, 1998) (Acariformes, Trombiculidae)

Andrey B. Shatrov
Post-larval life cycle, larval morphology and histology of the sites of the larvae feeding were investigated in the trombiculid mite Hirsutiella hexasternalis (Kudryashova, 1998) based on the material firstly collected from West Siberia (Tyumen province) from the voles Myodes rutilus (Pallas, 1779). Duration of the nymphal developmental stages generally corresponds to those of other trombiculid mites with the average values of 19 and 13 days for proto- and tritonymphs, respectively. Duration of active deutonymphal stage...

Distribution and diversity of earthworms (Lumbricidae) in Hesse (Central Germany): current knowledge

Jörg Römbke, Wolfgang H. O. Dorow & Stephan Jänsch
In 2016 the first Red List of German earthworms was compiled, listing 46 species. However, little is known about the biodiversity and distribution of Lumbricidae in the individual federal states of Germany. In some of them (e.g. Schleswig-Holstein) earthworm monitoring programs were performed (or are still running). In others no such soil-focused program has been performed so far. The aim of this contribution is to compile the available information on the distribution of earthworms (Lumbricidae)...

Dispersion of nematodes (Rhabditida) in the guts of slugs and snails

Walter Sudhaus
A survey was carried out to find non-parasitic nematodes associated with slugs and snails in order to elucidate the initial phase of endophoresis and necromeny in gastropods. 78 % of the specimens of the 12 terrestrial gastropod species surveyed carried nematodes. A total of 23 nematode species were detected alive and propagable in gastropod faeces, with 16 different species found in Arion rufus alone. Most were saprobiontic rhabditids, with species of Caenorhabditis, Oscheius and Panagrolaimus appearing...

Various evolutionary avenues of Nematoda to parasitism in Gastropoda

Walter Sudhaus
The various associations between nematodes and gastropods, which range from random transportation to endophoresis, necromeny, larval parasitism and an entire parasitic or parasitoidic life-style with and without intermediate or paratenic hosts, are discussed in an evolutionary context. Ten to eleven lineages have accomplished the transition to a life at the expense of gastropods, three via a detour of parasitism in vertebrates (Metastrongyloidea, Nemhelix and within Cosmocercoides). In the lineage to Agfa the sequence endophoretic, necromenic,...

Why are there so many exotic Springtails in Australia? A review.

Penelope Greenslade
Native invertebrate assemblages in Australia are adversely impacted by invasive exotic plants being replaced by exotic, invasive invertebrates. The reasons have remained obscure. The different physical, chemical and biotic characteristics of the novel habitat seem to present hostile conditions for native species. This results in empty niches. It seems the different ecologies of exotic invertebrate species may be better adapted to colonise these novel empty niches than native invertebrates. Native faunas of other southern continents...

Soil Gamasina from savanna and ReviTec site of Ngaoundéré (Adamawa, Cameroon): abundance and species diversity

Dieudonné Djackba Danra, Elias Nchiwan Nukenine & Hartmut Koehler
Soil Gamasina of Central African savanna are little known. In our study, Gamasina were assessed for a high Guinean savanna and for selected treatments of a ReviTec site for the rehabilitation of degraded soil, Ngaoundéré region (Adamawa, Cameroon). The experimental site was established in 2012. Four years later, in 2016, four sampling campaigns during the rainy season were undertaken (May, June, July, August). The investigated treatments were: (1) compost + mycorrhiza (cpmy), (2) compost +...

Lazy hitchhikers? Preliminary evidence for within-habitat phoresy in pygmephoroid mites (Acari, Scutacaridae)

Julia Baumann, Francisco Ferragut & Sanja Šimić
Mites of the family Scutacaridae have been found in termite nests and also phoretic on termites. In contrast to what has been reported until now for scutacarid mites, the respective species did not possess claws on leg I for attachment on their host, but clasped to the termites’ coxae probably by using their large, pad-like empodia on legs II and III. This mode of attachment is a totally new and unique discovery for Scutacaridae. The...

Resistance to flooding of different species of terrestrial oribatid mites (Acari, Oribatida)

Bardel, Lisa; Pfingstl, Tobias
Resistance to flooding was tested in six terrestrial oribatid mite species with different ecological needs. The silvicolous Galumna lanceata and Oppiella (Oppiella) marginedentata showed low average survival times of seven and 14 days, the moss-dwelling Zygoribatula exilis tolerated a month of submergence on average, the eurytopic Eueremaeus oblongus and Tectocepheus velatus sarekensis survived an average period of 52 and 80 days and the euryoecious Plathynothrus peltifer showed the highest tolerance with 130 days median lethal...

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