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Lecanora panis-erucae HERTEL & V. WIRTH, a lichen almost exclusively grazed by the larvae of an unidentified moth, is described as a new species. Lecanora substylosa (losa (losa ZAHLBR.) HERTEl & V. WIRTH comb. nova (basionym:
Lecidea substylosa NYL.), a relative of Lecanora sulphurella HEPP differing by its chemistry, hitherto known only from its type collection, is reported from numerous localities. Lecidella placodina (Lecidella placodina (Lecidella placodina NYL.) HERTEL, previously known only from its type locality in the Angolan part of the Namib Desert, is reported from other localities in
Namibia. Lecidea quartzina STIZ., judged to be a close relative of L. tragorum ZAHLBR., and hitherto known only from its type locality in the Cape Province of South Africa, is reported as new to Namibia. Lecidea sarcogynoides, also hitherto unrecorded for Namibia is reported from a number of localities.
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 beetle fauna of soil and litter in Amazon forest eco-systems was studied by means of Berlese-Tullgren extractions, at 8
sampling dates during 2 years in four experimental plots (one in primary forest, one in secondary forest and two polyculture
plots) of the Embrapa Amazonia Ocidental research centre near Manaus (Brazil). Beetle individuals were found in 99 % of
the extracted litter and soil cores. In total, we recorded 47 beetle families, of which 12 contributed to more than 90% of
the total individual numbers and beetle biomass, respectively. Most individuals recorded were very small averaging less than
2 mm body length. The total number of predator families was low (6 families, 13 %), when compared to that of the decomposers (29 families, 62 %). Only one family was considered herbivorous (Chrysomelidae, 2 %). 28 % of the decomposer families, but 67 % of the predator families ranged among the 12 most abundant beetle families. Among the 12 dominant beetle families the carnivorous Scydmaenidae, Staphylinidae, Carabidae and Pselaphidae represented 51 % of the abundance and 41 % of the biomass. In comparison to other macroarthropods (Chilopoda, Formicidae, Isoptera, Diplopoda)
the contribution of Coleoptera to the total of individual numbers or faunal biomass was rather small. We conclude that
although diversity of the soil dwelling beetles seems to be high, their total contribution to nutrient cycling may be of minor
importance.
Whip spiders belong to a small arachnid order (Amblypygi) that is not well known. Their most conspicuous feature are
the elongated, extremely thin front legs (“whips“, or antenniform legs). These are no longer used for walking but are modified extremities carrying various sense organs - very much like the antennae of insects. Whereas hundreds of olfactory
hairs are concentrated near the tip of each antenniform leg, large bristles (contact chemoreceptors) are evenly distributed over the entire antenniform leg. The sensory hairs of each antenniform leg contribute about 30,000 small sensory
axons which proceed toward the central nervous system (CNS). The sensory fibers originating from the mechanoreceptive bristles make chemical synapses with a few giant interneurons in the periphery. The giant axons (10-20 pm in diameter) of these large interneurons transmit nerve impulses with a high velocity (6 m/s) to the CNS. The purpose of this fast pathway still needs to be determined. Originally it was thought that the fast giant axons would trigger quick escape reactions, but this was not confirmed in physiological experiments. However, other possible behaviors that may be aided by the giant interneurons are prey capture, fighting, and orientation. What makes whip spiders unique is that both synapses and giant neurons are located far out in the peripheral nervous system. In all other arthropods - except for some arachnids - synapses and giant fiber systems are always found inside the CNS, never in the periphery.
An inclusion in Miocene Dominican amber contained a well preserved velvety shore bug (Ochteridae), Riegerochterus baehri gen. nov., spec. nov., which is described and figured in this article. This is the first fossil representative of the family recorded from Cenozoic, as all previously described taxa are much older, e.g. from the Early Jurassic of England and the Late Jurassic-Early Cretaceous of China. It is distinguished from all extant genera of Ochteridae by several distinct characters that are shortly discussed. Figures and photos of representatives of fossil (Riegerochterus) and recent (Megochterus, Ochterus and Ocyochterus) genera are provided.
Specimens belonging to the Neotropical genus Fauva (Staphylinidae: Osoriinae) were studied from the following collections: Institut Royal des Sciences Naturelles de Belgique, Bruxelles, Belgium (IRSN); Field Museum of Natural History, Chicago, USA (FMNH); and from a collection from Peru, made available by M. Verhaagh (Karlsruhe, Germany). The genus and four species are redescribed and the new species Fauva becki is described. The genus is divided into two species groups and a key to species is provided.
Although known and housed in German institutions since at least the 19th century, until now marine reptiles from the
Braunjura ß have never been described in detail. The strata have yielded plesiosaur, thalattosuchian and rare ichthyosaur
remains, all fragmentary, most likely due to their deposition in a shallow marine, high energy palaeoenvironment. Cervical
vertebrae, which are housed in the Staatliches Museum für Naturkunde Karlsruhe (State Museum of Natural History in
Karlsruhe), are described here and reveal the first elasmosaurid plesiosaurs reported to date from the German Dogger.
In the upper Danube river-system, but also in some more watercourses of the German lower mountains range, an endolithic filamentous cyanobacterium is a prominent compound of the phytobenthos. These filaments penetrate limestones in the river bed and form brush-like endolithic layers of about 0.5 mm in depth. There are similarities between this taxon and approximately 10 other filamentous Cyanophyceae in terms of the width of the trichomes, the geometry of the cells and the shape of the apical cells. However, none of these species allow for a direct and clear-cut identification, and a precise taxonomic determination has therefore been unresolved until today. In order to make progress in this matter, it is necessary to get a better insight into the boring behaviour of this inhabitant and into the endolithic arrangements of the filaments. For
this purpose, special preparation methods and SEM examinations were applied. The results of these procedures as well as critical comparisons with taxonomic properties of similar phormidian taxa, and the special demands on physico-chemical water conditions, led to the conclusion that the taxon in question cannot be assigned to a known species, but must be considered as an independant species. It is here described as Phormidium ingrediens species nova.
A new species of Pertusaria from the Namib desert is described. It is characterized by a smooth, minutely fissured brown thallus with scattered, verruciform apothecia with black ostioles, grey, K+ violet spores and the absence of lichen substances. The species is related to P. melanospora, which differs in having a yellowish thallus and in containing arthothelin and 2,4- dichloronorlichexanthone.
After almost 85 years of palynological research, an impressive amount of pollen diagrams from the Vosges Mountains (NE France) is available. This paper presents an overview of these pollen diagrams and lists their main features and literature sources within a historical context. Furthermore, a short summary is provided on the natural and cultural context.
Orthotylus (Pachylops) neoriegeri sp. n. is described from Morocco (South Anti-Atlas). Colour dorsal habitus and illustrations of male and female genitalia are provided. The specimens were collected by beating Cytisus balansae (Fabaceae). Based on the pilosity, the male genitalia and the host-plant association, the new species is placed in the subgenus Pachylops Fieber, 1858.
It differs from the other species mainly by the brown coloration and the phallic sclerotized appendages of the male. Host-plant association within the subgenus Pachylops is briefy discussed.
Four new species of scytodid spiders from Brazil are described: Scytodes becki sp.n. from Niquelandia and Scytodes
eleonorae sp.n. from Sao Domingos, both in the state of Goias; Scytodes skuki sp.n. from Aripuana, Mato Grosso and
Scytodes strussmannae sp.n. from Xapuri, Acre. Together with the synanthropic species S. globula Nicolet and the Brazilian species S. itapevi Brescovit & Rheims these four new species form a distinct group within the Neotropical Scytodes, herein named "globula group" New records for S. globula and S. itapevi are also reported.
One new species, Holhymenia riegeri nov. spec., is described from Bolivia and Ecuador. Holhymenia intermedia (Burmeister,1835) and H. tibialis Breddin, 1904, are considered junior synonyms of H. clavigera (Herbst, 1784); new records of H. histrio (Fabricius, 1803), H. persimilis Breddin, 1903, H. rubiginosa Breddin, 1904, and H. scenica (Stål, 1865) are given; a key to all known species is included.
Additional information on the distribution of eleven species of stilt bugs (Heteroptera, Berytidae) from the Afrotropical region is reported and discussed with respect to the major biomes of Africa. For some species, remarks on ecology, identifcation and taxonomy are included. New country records are indicated for Gampsoacantha pumilio, Gampsocoris africanus cornutus, Micrometacanthus trichoferus, Cametanthus madagascariensis, Metacanthus microphthalmus, M. mollis, M. nitidus,
Neostusakia picticornis and Yemma gracilis.
The material of Xantholinini (Coleoptera, Staphylinidae) collected by A. RIEDEL in Indonesia is studied. The following new species are described: Andelis tinalum n. sp. (Java), Sumatera halimun n. sp. (Java), Erymus ijen n. sp. (Java), Erymus pohen n. sp. (Bali); Sumatera riedeli n. sp. (Sumatra). The following species are new records for the region: Metolinus modiglianii (Java,
Mentawei), Maharadja pubiventris (Sumatra).
The architectural features of the five Nasutitermes species occurring in a Neotropical floodplain (varzea) forest on llha de
Marchantaria in central Amazonia are described: external nest and runway architecture, nest volume, nest height above ground, nesting trees, degree of polycalism). These characteristics are used to build a tentative field key to the nest-building
termite species which should be tested for its usefulness for ecological studies of central Amazonian termites.
Liturgy has often served as a source for studying the identities of medieval religious
communities through examining local saints and special chants or ceremonies. This article
deepens such approaches by considering the practice of liturgical coordination, which
required each convent to reconcile the obligations imposed upon it by the order to
which it belonged, the diocese in which it lay, and the personal networks of its sisters.
The shifting dates of the Easter cycle created a wide variety of possible calendrical conflicts
and necessitated that each convent’s liturgical practice be organized anew every year.
Focusing on German-language liturgical manuals from Observant Dominican convents,
this article introduces these sources and examines the various obligations, authorities,
and sources of advice that Dominican sisters coordinated when planning each year’s
liturgy. It then turns to the concrete example of a major calendrical conflict on May 1,
1519, which illustrates how convents negotiated their networked obligations and defended
their decisions. Supplementing traditional sources such as chronicles and charters,
liturgical administrative documents reveal how each convent’s liturgical identity was
both iterative and networked and how the tensions between these features opened up
spaces for assertive decision-making.
In this paper, we describe a new species of Mesoplophora collected from forest floor litter in southwestern Nigeria. Mesoplophora is a cosmopolitan genus of pytchoid mites that has been recorded from the Palaearctic region as well as Morocco
and Tchad in the Ethiopian region. M. ife an a is the first Mesoplophora species to be fully identified and described from Nigeria. Differences between this species, M. ifeana, and other Mesoplophora species recorded from Africa are observed in
respect of the number of spines on the sensillus, presence of two pairs of exobothridial setae and leg chaetotaxy. The lack of information on fine taxonomic details of adults and deutonymphs of M. africana from Tchad as well as the discrepancies in the description of certain morphological features such as organisation and chaetotaxy of the ventral plates as well as the nomenclature of setae on the aspis were noted. Attention was drawn to the unique combination of traits of both lower
and higher Oribatida in Mesoplophora, a trait which may be responsible for its ubiquitous distribution.