Search results for "Arachnology"
showing 4 items of 4 documents
Revision of the genus Trogulus Latreille: the Trogulus coriziformis species-group of the western Mediterranean (Opiliones:Trogulidae)
2008
Within the well researched European fauna of harvestmen, the genus Trogulus Latreille exhibits unexpectedly high cryptic diversity. The species’ uniform morphology hinders an exclusively morphological approach to their systematics and taxonomy, and a preliminary molecular study estimated the number of species to be three times higher than currently known. The current study focuses on a clearly defined species-group within Trogulus, combining molecular (~1700 bp 28S rRNA and the cytochrome b gene), distributional, morphometric and morphological data. Relationships are reconstructed using Bayesian inference, maximum parsimony and maximum likelihood and this information is subsequently used t…
World revision of the genus Encyrtoscelio Dodd (Hymenoptera: Scelionidae)
1995
The genus Encyrtoscelio Dodd is revised. E. apterus (Szelényi), E. mirissimus Dodd, E. turneri Waterston are redescribed, and six new species are described: E. cydni Caleca, E. japonicus Caleca, E. mediterraneus Caleca, E. miroides Caleca, E. spuratus Caleca and E. undecim Caleca. A key to separate females is presented, and is based on the number of antennomeres and claval sensillar formula, mandibular spurs and teeth, palpal formula and clypeus, and some cephalic characters. Morphological adaptations of the head and mandibles are discussed in relation to host habitat and oviposition site. Information on host associations, habitat preference, seasonal and daily occurrence of some species a…
An overview of the phylogeny of the families Lafoeidae and Hebellidae (Hydrozoa:Leptothecata): their composition and classification
2006
A cladistic analysis of the genera of the family ‘Lafoeidae’ was performed in order to investigate suprageneric classifications and the boundaries of the family, as well as to organise the available morphological data and discuss the possible evolution of some morphological characters. Our results suggest that the former ‘Lafoeidae’ must be separated into two families: the Hebellidae and the Lafoeidae (including the subfamilies Lafoeinae and Zygophylacinae).
Revision of coelotine spiders from Nepal (Araneae:Amaurobiidae)
2009
Coelotine spiders from Nepal are studied based on collections from the Himalaya Expeditions of J. Martens carried out in the years 1969, 1970, 1973, 1980, 1983, 1988 and 1995. In total, 38 Nepalese species of the genus Draconarius Ovtchinnikov, 1999 are described, including 35 new species. These are: D. beloniforis, sp. nov. (♂), D. bifarius, sp. nov. (♂), D. brevikarenos, sp. nov. (♀), D. capitellus, sp. nov. (♀), D. communis, sp. nov. (♂♀), D. condocephalus, sp. nov. (♂♀), D. confusus, sp. nov. (♂♀), D. contiguus, sp. nov. (♀), D. cylindratus, sp. nov. (♀), D. dapaensis, sp. nov. (♂), D. distinctus, sp. nov. (♂♀), D. dorsicephalus, sp. nov. (♂♀), D. gorkhaensis, sp. nov. (♂♀), D. gurkha (…