Pseudoscorpions (Arachnida, Pseudoscorpiones) from French Polynesia with first species records and description of new species.

A new species from Tahiti is described here based on external characters. This is the first record of the family Olpiidae Banks, 1895 from French Polynesia. Additionally, the genus Harvey, 1991 is recorded from French Polynesia for the first time with the full description of new-found specimens of (Beier, 1932).

Integrative Taxonomy Approach Reveals Cryptic Diversity within the Phoretic Pseudoscorpion Genus (Pseudoscorpiones: Chernetidae).

Pseudoscorpions represent an ancient, but homogeneous group of arachnids. The genus comprises several morphologically similar species with wide and overlapping distributions. We implemented an integrative approach combining molecular barcoding (), with cytogenetic and morphological analyses in order to assess species boundaries in European populations.

The pseudoscorpions of the Caucasian bogs: part I. Description of Neobisium (Neobisium) adjaricum sp. nov. and redescription of the holotype of N. (N.) vilcekii Krumpál, 1983 (Arachnida, Pseudoscorpiones, Neobisiidae).

A new species of pseudoscorpions, Neobisium (Neobisium) adjaricum, is described and diagnosed. It was collected in the habitats of Ispani lowland mires in Transcaucasia (Republic of Adjara, Georgia). The habitat of N.

Spectacular alterations in the female reproductive system during the ovarian cycle and adaptations for matrotrophy in chernetid pseudoscorpions (Pseudoscorpiones: Chernetidae).

Pseudoscorpions are small matrotrophic chelicerates. The embryos develop in a brood sac and feed on the nutritive fluid provided by the female. It was widely accepted that the nutritive fluid is synthesized in the ovary.

Checklist of Pseudoscorpions (Arachnida, Pseudoscorpiones) of Albania.

A checklist is presented comprising 42 species in 21 genera and 10 families of the arachnid order Pseudoscorpiones from Albania. Two taxa are identified only to the genus level - Chamberlin, 1930 and L. Koch, 1873.

Small body size of pseudoscorpions and a distinct architecture of the ovary: A step to miniaturization?

Chelicerata, the second largest subphylum of Arthropoda, includes invertebrates with a wide range of body size. Pseudoscorpions are among small or miniature chelicerates which exhibit several morphological, anatomical, and developmental features related to miniaturization, e.g.

The first species of the pseudoscorpion genus Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from New Zealand.

The subfamily Lechytiinae is reported from New Zealand for the first time. A new species, , is described and illustrated from Lake Waikare in Waikato District, North Island. In addition, a key to species in the genus from Asia, Australia, and New Zealand is included.

Two new pseudoscorpion species (Pseudoscorpiones, Chthoniidae, Cheiridiidae) from the Tonga Islands, Polynesia, with a redescription of the genus .

The genera Chamberlin, 1929 and Beier, 1957 are recorded from the Tonga Islands, Polynesia, for the first time. is described from the island of Eua. is described from the island of Onevai.

Type of fixative solution in pitfall traps as a decisive factor affecting community parameters of Collembola (Hexapoda) inhabiting superficial subterranean habitats.

Vertical distribution of collembolan communities along a depth gradient was studied at three forested karst scree slopes in the Western Carpathians, differing in topography, microclimate, soil-chemical parameters, and forest associations. Two different fixative solutions were used in subterranean pitfall traps. The activity and species richness of Collembola in the vertical scree profiles were significantly higher in traps filled with ethylene glycol than in those filled with formaldehyde at all three sites.

Morphological and cytogenetic characteristics of Neobisium (Blothrus) slovacum Gulička, 1977 (Pseudoscorpiones, Neobisiidae), the northernmost troglobitic species of the subgenus Blothrus in Europe.

A redescription is provided of the adult, tritonymph and deutonymph life stages of the troglobitic Neobisium (Blothrus) slovacum Gulička, 1977, which is known from Slovakia and Hungary. Material examined included 35 previously deposited museum specimens and 15 newly collected specimens. In addition, the karyotype and distribution of 18S rDNA clusters are described, using fluorescence in situ hybridization (FISH).

A multivariate study of differentiating characters between three European species of the genus Beier, 1932 (Pseudoscorpiones, Chernetidae).

Morphological variation in three rarely collected European species of the genus Beier, 1932 is thoroughly examined in the present study. Detailed descriptions of previously ignored morphological characters of Henderickx, 1998, (Beier, 1929) and (Ellingsen, 1910) are presented. The female of and the nymphs of are described for the first time.