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Waehrend der herbstlichen Schwaermpase wurden im Norden Bulgariens die Ektoparasiten von neun Fledermausarten untersucht. Die hoechsten Abundanzen erreichten Fledermausfliegen, von denen 6 verschiedene Arten determiniert wurden. In geringeren Dichten besiedelten auch Flughautmilben (6 Arten) sowie Macronyssidae und Ixodidae (jeweils eine Art) die Fledermaeuse. Die Bindung an den Wirt und die Verbreitung aller Ektoparasiten sind kurz zusammengefasst. Fuer die Berechnung der Parasitenlast wird ein neues Modell vorgeschlagen, dass unter Beruecksichtigung von Groessenrealtionen und Abundanzen vergleichbare Daten bei unterschiedlichen Befallsszenarien ermoeglicht. Parasitenkombinationen traten im Norden Bulgariens seltener auf, als erwartet. Mit den Werten der haeufigsten Fledermausarten wurde ueberprueft, ob es einen Zusammenhang zwischen Masse, Unterarmlaenge und Parasitierung gibt. In keinem Fall konnte eine sichere Korrelation zwischen diesen Faktoren ermittelt werden. Unter Verwendung eines adaptierten Body-Mass-Index (BMI) oder eines Body- Condition-Index (BCI) ergab sich ebenfalls kein Zusammenhang zwischen der Koerperkondition und der Parasitenlast. Im Verlaufe der Untersuchung kam es in einer Hoehle zu einer unerwarteten Zunahme der Abundanzen von Flughautmilben. Dieses Phaenomen koennte ein interessanter Ansatz weiterer Studien sein. Im Vergleich zu herbstlichen Untersuchungen in Deutschland waren die Fledermaeuse im Norden Bulgariens deutlich staerker parasitiert.
Twenty two species of ectoparasites (Family Nycteribiidae: Nycteribia (Listropoda) schmidlii schmidlii, Nycteribia (Nycteribia) latreillii, Nycteribia (Nycteribia) pedicularia, Penicillidia (Penicillidia) dufourii, and Phthiridium biarticulatum; Family Streblidae: Brachytarsina (Brachytarsina) flavipennis and Raymondia huberi; Order Siphonaptera: Rhinolophopsylla unipectinata arabs, Nycteridopsylla longiceps, Araeopsylla gestroi, Ischnopsyllus intermedius, and Ischnopsyllus octactenus; Order Heteroptera: Cimex pipistrelli, Cimex lectularius, and Cacodmus vicinus; Class Arachnida: Order Mesostigmata: Spinturnix myoti and Eyndhovenia euryalis; Order Ixodida: Family Argasidae: Argas transgariepinus and Argas vespertilionis; Family Ixodidae: Hyalomma dromedarii, Ixodes ricinus, and Ixodes vespertilionis) were recovered from 19 bat species in Algeria. New host records for bats are recorded for the first time: N. schmidlii from Rh. clivosus and R. cystops; N. latreillii from Rh. blasii and P. gaisleri; R. huberi from Rh. clivosus; C. pipistrelli from E. isabellinus and H. savii; C. vicinus from E. isabellinus; S. myoti from P. gaisleri; E. euryalis from P. gaisleri and Rh. blasii; A. vespertilionis from P. gaisleri; I. ricinus from T. teniotis and Rh. hipposideros and H. dromedarii from P. kuhlii. Raymondia huberi is recorded for the first time from Algeria.
Ischnopsyllus variabilis (WAGNER, 1898), a model of survival strategy of rare insects? The present paper reports a collection of Ischnopsyllus variabilis in the Schorfheide, a region in the north of Brandenburg (Germany). This bat flea is very rare and the specimens are seldom encountered. The collection of 5 males and 21 females of I. variabilis from summer roosts of the Nathusius`pipistrelle (Pipistrellus nathusii) is a remarkable documentation, since it represents the largest known population of the flea in Europe. Moreover, the data reported here emphasizes for the first time that the Nathusius` pipistrelle is the main host of I. variabilis. The development of the larvae take place in maternity colonies of this bat species. The occurrence of a local concentration of rare specimens may be a vital necessity for the long range survival. Hence, I. variabilis may represent an appropriate model for the understanding of ecology of rare insects, since a local population could be the origin for a scattered distribution over larger areas. The spread of the flea is promoted by the expansive seasonal migrations of the Nathusius`pipistrelle. The exact mechanisms and parameters underlying such an accumulation of specimens in a special maternity colony are still unknown and require further investigations.
Die vorliegende Arbeit liefert eine Zusammenstellung der bisher bekannten Ektoparasitenarten europaeischer Fledermausarten. Auf der Basis eigener Untersuchungen in Deutschland erfolgt eine Analyse der Abundanz der Parasiten. Fuer jede Wirtsart wird das Artenspektrum der haeufig vorkommenden Ektoparasiten angegeben und die Spezifitaet der Wirt- Parasit-Beziehung diskutiert. Teil 1 behandelt die Ektoparasiten der Mopsfledermaus (Barbastella barbastellus), der Nordfledermaus (Eptesicus nilssonii), der Breitfluegelfledermaus (Eptesicus serotinus), der Bechsteinfledermaus (Myotis bechsteinii),der Grossen Bartfledermaus (Myotis brandtii), der Teichfledermaus (Myotis dasycneme) und der Wasserfledermaus (Myotis daubentonii).
The present study provides a review of the published ectoparasitic species of European bats. On the basis of own researches in Germany, the abundance of each parasite was analysed. For every bat species the community of the dominant parasites and the quality of the host-parasite relation were summarized. Part 2 is concerned with the ectoparasites of the Greater mouse-eared bat (Myotis myotis), of the Lesser mouse-eared bat (Myotis blythii), of the Long-fingered bat (Myotis capaccinii), of the Whiskered bat (Myotis mystacinus), and of the Natterer`s bat (Myotis nattereri).
Die vorliegende Arbeit liefert eine Zusammenstellung der bisher bekannten Ektoparasitenarten europaeischer Fledermausarten. Fuer jede Wirtsart wird das Artenspektrum der haeufig vorkommenden Ektoparasiten angegeben und die Spezifitaet der Wirt-Parasit-Beziehung diskutiert. Teil 3 behandelt die Ektoparasiten der Wimperfledermaus (Myotis emarginatus), der Langfluegelfledermaus (Miniopterus schreibersii), der Großen Hufeisennase (Rhinolophus ferrumequinum), der Kleinen Hufeisennase (Rhinolophus hipposideros), der Blasius-Hufeisennase (Rhinolophus blasii), der Mittelmeerhufeisennase (Rhinolophus euryale) und der Mehely-Hufeisennase (Rhinolophus mehelyi).
279 bat specimens of 14 species were examined for ectoparasites during the autumnal swarming period in different cave roosts in Albania. A total of 550 ectoparasites were identified belonging to 19 species. The structure of the ectoparasite fauna and the influence of body mass index and body surface area on the parasite load were discussed for the most common bat species (Miniopterus schreibersii, Myotis myotis, M. capaccinii and Rhinolophus ferrumequinum). The ectoparasite fauna of the studied bats in Albania is qualitatively similar to northern Bulgaria (SCHEFFLER, 2011). The bat species Myotis myotis and M. daubentonii are infested with different ectoparasites in the Balkan region during the autumn swarming period than specimens of the same bat species in Central Europe. There is a strong need of further research for most host and ectoparasite species in the entire Balkan region.
Ectoparasites of bats in Mongolia (Ischnopsyllidae, Nycteribiidae, Cimicidae and Spinturnicidae)
(2010)
For large parts of the world, the knowledge of bat ectoparasites is still scanty. Regarding Mongolia, only few studies exist to date. This paper analyses results from extensive captures between 2005 -2008, carried out in different sites of Mongolia. Discussed ectoparasites include bat fleas, (Ischnopsyllidae), bat flies (Nycteribiidae), and bat bugs (Cimicidae) and spinturnicid mites (Spinturnicidae). A number of species found in this study were new records for Mongolia, and for many species additional sites were reported. For some bat species, the spectrum and frequency of larger ectoparasites could be determined for the first time.
Ectoparasites of bats in Mongolia : Part 2 (Ischnopsyllidae, Nycteribiidae, Cimicidae and Acari)
(2012)
This study analyses ectoparasites found on Mongolian bats between 2008 and 2011. We examined 12 different bat species, with a total of 23 ectoparasite species present. Apart from reporting distributions, we also discuss specific host-parasite relationships. Owing to recent taxonomic changes splitting the Myotis mystacinus-group into several new taxa, their corresponding ectoparasite fauna could also be addressed in detail. Introducing ectoparasitic insects at length elsewhere (SCHEFFLER et al., 2010), this paper focuses on the analysis of parasitic Acari. Additional findings for Spinturnicidae (wing mites) and Macronyssidae broadened the spectrum of known parasites. Altogether, the knowledge of bat ectoparasites from Mongolia remains very sketchy. Based on different examples, we discuss current taxonomic problems regarding the species status of parasites, and suggest avenues for future research.