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Spinnen en loopkevers ingezameld tijdens een korte bodemvalbemonstering te Doeveren (ZedelgemâOostkamp)
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Spiders and carabid beetles were collected with pitfall traps during a short sampling campaign in the spring of 2017 (from 24/05 to 11/07) in the nature reserve Doeveren at ZedelgemâOostkamp. 49 species of spiders and 34 species of carabid beetles were found. We here discuss some particular species of both arthropod groups that are mentioned as threatened on the Red list for Flanders. We comment the management and heathland restoration measures of the last years and its impact on both faunas
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RBINS Staff Publications 2019
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De spinnenfauna van enkele rode dopheidegebieden nabij Brugge: Deel 4, drie jaar bemonsteringen in het Natuurreservaat Zevenkerken in 2014-2015-2016
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103 species of spiders were collected during 3 years continuous sampling with pitfall traps of 2 heathland patches in Nature Reserve Zevenkerken south-west of Bruges. Several rare and interesting species were discovered and discussed. Besides a large amount of species characteristic for forest and shrubs also an important part of the spider fauna in these heathlands consist of species characteristic for dry, oligotrophic grasslands. Also some species of heathland and dunes were found. 12 species are mentioned as threatened on the Red list of spiders of Flanders. Six species are catalogued as endangered, six as vulnerable. Restoration of heathland in Zevenkerken and Bruges in general in the context of spider and insect-friendly management are discussed.
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RBINS Staff Publications 2019
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De spinnenfauna van enkele Rode dopheidegebieden nabij Brugge: Deel 2: Bemonsteringen in Provinciedomein Tillegembos in 2015-2016
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105 species of spiders were collected during a year-round sampling with pitfall traps of 3 heathland patches in Provinciedomein Tillegembos south of Bruges. Several rare and interesting species were discovered and discussed. An important part of the spider fauna in these heathlands consists of species characteristic for dry, oligotrophic grasslands. Also some species of heathland and dunes were found. 13 species are mentioned as threatened on the Red list of spiders of Flanders. Five species are catalogued as endangered, Seven species as vulnerable and one species is catalogued as critically endangered on that list: Thyreosthenius biovatus. Restoration of heathlands near Bruges in the context of spider- and insect-friendly management are discussed.
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RBINS Staff Publications 2019
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De spinnenfauna van enkele heidegebieden nabij Brugge. Deel 1: bemonsteringen 2014-2015
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131 species of spiders were collected during a year-round sampling with pitfall traps of 8 heathland patches west of Bruges. One species, Ozyptila westringi, was recorded for the first time in Belgium, 20 species are mentioned as threatened on the Red list of spiders of Flanders and one species is catalogued as critically endangered on that list: Pirata uliginosus. An important part of the spider fauna in these heathlands consist of species characteristic for heathland, dunes and dry, oligotrophic grasslands. Notwithstanding these heathlands are embedded in a matrix of forest, we observed that the number of forest species was rather low. Management and restoration of heathlands near Bruges are discussed.
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RBINS Staff Publications 2018
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Eerste waarnemingen van de sneeuwvlo Boreus hyemalis (Linnaeus, 1767) voor West-Vlaanderen: een zeldzame soort of een soort die zelden wordt waargenomen? (Mecoptera: Boreidae)
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During a pitfall sampling in the winter of 2014-2015 in some heathland relicts near Bruges, Boreus hyemalis (Linnaeus, 1767) was recorded at three sites. These are the first records of this species for the Province West Flanders. Formerly, this species was only known in Flanders from large and spacious heathlands and shifting sand dunes. As an adult, Boreus hyemalis is only active during the coldest period of the year, even when soils are covered with snow and ice. Probably this species is more common than so far assumed, but because during winter entomological surveys are very rare, this species has probably been overlooked at several places. We give an up-date of its current observed distribution in Belgium and we discuss the recent observations in the western part of Belgium.
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RBINS Staff Publications
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MYRMECOPHILOUS LABOULBENIALES (ASCOMYCOTA) IN BELGIUM
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This paper presents the first record of Rickia wasmannii (Laboulbeniales) from Myrmica sabuleti in Belgium. Aspects of prevalence and thallus density of R. wasmannii are discussed, and a description and illustrations are given. Screening of the oldest colony of Lasius neglectus in Belgium (Ghent University Botanic Garden) did not reveal infections with Laboulbenia formicarum.
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RBINS Staff Publications 2016
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Secrets of de Selys Longchamps archives: one watercolour and two records of nineteenth century observations of the grasshopper species Psophus stridulus (Linnaeus, 1758) and Locusta migratoria (Linnaeus, 1758) in Belgium (Orthoptera: Acrididae)
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Next to voucher specimens in entomological collections, also historical archives and historical illustrations can contain valuable taxonomical as well as ecological and faunistic data. We report here faunistic data for two currently extinct Belgian grasshopper species from the year 1862, deduced from a letter accompanied by a watercolour. The letter and watercolour are stored in the archives of Edmond de Selys Longchamps at the Royal Belgian Institute for Natural Sciences (RBINS). Both the watercolour and the letter are discussed, focusing on the observations of Psophus stridulus (Linnaeus, 1758) and Locusta migratoria (Linnaeus, 1758) (Orthoptera) at Lanaken in 1862. Two voucher specimens of these observations and their original labels, that are stored in the RBINS collections, were studied. We can conclude that Egide Fologne was the first to observe P. stridulus in Belgium. He reported this in a letter to Edmond de Selys Longchamps and supplied the watercolour depicting the specimen he collected and donated to Selys for his collection.
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RBINS Staff Publications 2017
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First records of a supercolonial species of the Tapinoma nigerrimum complex in Belgium (Hymenoptera: Formicidae)
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In the summer of 2014, a highly supercolonial Tapinoma was discovered in Ostend, Belgium. This was the first time a Tapinoma species with an invasive behaviour was discovered outdoors in Belgium. The ant belongs to the most widely distributed of four recognized species of the Tapinoma nigerrimum complex and is the only known species being invasive in areas north of the Mediterranean zone. In a first attempt to eliminate the species, a Demand 10CS insecticide solution treatment was initiated in 2015. First results illustrate that this treatment might be efficient, however a long-term monitoring of the site and its neighbourhood are suggested.
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RBINS Staff Publications
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A Tale of Five Fishes: First direct evidence of trade in Galilean salted fish on the Carmel coast in the early Islamic period
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RBINS Staff Publications 2022
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Ant communities in recently restored dune grassland ecosystems in Belgium (Hymenoptera: Formicidae)
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In the period 2000-2001 nature restoration projects drastically reshaped the Nature Reserve in Lombardsijde near the Ijzer Estuary in Flanders, Belgium. Dikes were constructed and new dune grasslands were installed. Seven years after the restoration the ant fauna of these newly created sites was compared with reference sites from foredunes, dune grasslands and grey dunes. Ants were collected with pitfall traps in 10 sample sites during 4 years. Our results showed that after 7 even 10 years of nature restoration, the ant fauna in the newly created sites still differs substantially from those of the reference sites. However, typical dune grassland ant species like Myrmica specioides, Myrmica sabuleti and Lasius psammophilus were already present at the newly created sites. Our data also suggests that it takes a longer period for characteristic dune grassland ants species to colonize and settle in these new environments than for other invertebrate groups like spiders and carabid beetles that were also collected and studied during the same project and reported before.
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RBINS Staff Publications 2017