1,106 research outputs found

    The longhorn beetles (Coleoptera, Cerambycidae) of Ukraine: Results of two centuries of research

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    The study of the longhorn beetles fauna in Ukraine has been going on for two centuries. During this time, huge collections of materials have been accumulated. These enabled a comprehensive view of the fauna of the longhorn beetles in Ukraine to be formed. However, despite this, the first complete list of the longhorn beetles of the fauna of Ukraine was compiled by Zahajkevych only in the late twentieth century. He listed 275 species. Decades later, Bartenev supplemented Zahajkevych’s list with five more species, suggesting that there are 280 species in Ukraine. In 2009, Bartenev expanded his previous list to 284 species. Recently, however, the fauna of the longhorn beetles in Ukraine has been fluctuating due to climate change. The southern species are actively expanding their range to the north, and seven new species of longhorn beetles have been identified in Ukraine over the past decade. In addition, the new synonymy is also the reason for changes in the list of the longhorn beetles in Ukraine. In particular, from Bartenev’s latest list, I removed 14 synonymous species and 5 species that have never been registered in Ukraine. In total, the list of the longhorn beetles I have revised includes 279 species from 114 genera, 44 tribes and 6 subfamilies. One of them, Batocera lineolata Chevrolat, 1852, is not naturalized in Ukraine and is known from the only record of a female reared from wooden packaging materials. The degree of study of the longhorn beetle fauna of the physiographic regions of Ukraine is very uneven. The fauna of the western, northern, eastern and extreme southern regions of Ukraine is the most fully studied. At the same time, the fauna of the central regions of Ukraine is still very poorly known. Further research on the longhorn beetles in Ukraine should be conducted in two directions: 1) completing the lists for physiographic regions and 2) monitoring fauna changes under the influence of climate change

    First European interception of the brown fir longhorn beetle, Callidiellum villosulum (Fairmaire, 1900) (Coleoptera, Cerambycidae)

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    A specimen of the brown fir longhorn beetle, Callidiellum villosulum villosulum found in Malta represents the first record of this invasive species for Europe. Historical details on world invasion of this species are provided as well as a short description, origin and biology. A brief pest risk analysis of this species is also presented.peer-reviewe

    The use of historical collections to estimate population trends: a case study using Swedish longhorn beetles (Coleoptera: Cerambycidae)

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    Long term data to estimate population trends among species are generally lacking. However, Natural History Collections (NHCs) can provide such information, but may suffer from biases due to varying sampling effort. To analyze population trends and range-abundance dynamics of Swedish longhorn beetles (Coleoptera: Cerambycidae), we used collections of 108 species stretching over 100 years. We controlled for varying sampling effort by using the total number of database records as a reference for non-red-listed species. Because the general frequency of red-listed species increased over time, a separate estimate of sampling effort was used for that group. We observed large interspecific variation in population changes, from declines of 60\% to several hundred percent increases. Most species showed stable or increasing ranges, whereas few seemed to decline in range. Among increasing species, rare species seemed to expand their range more than common species did, but this pattern was not observed in declining species. Historically, rare species did not seem to be at larger risk of local extinction, and population declines were mostly due to lower population density and not loss of sub-populations. We also evaluated the species' declines under IUCN red-list criterion A, and four currently not red-listed species meet the suggested threshold for Near Threatened (NT). The results also suggested that species' declines may be overlooked if estimated only from changes in species range

    Evaluasi Kondisi Hutan Berdasarkan Keragaman Kumbang Sungut Panjang (Coleoptera, Cerambycidae) 1 Di Kawasan Gunung Slamet [Evaluation of Forest Conditions Based on Longhorn Beetles (Coleoptera: Cerambyddae) Fauna in Mount Slamet]

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    Evaluation of forest conditions using longhorn beetles (Coleoptera: Cerambycidae) fauna have been carried out at 3 parts of Mt. Slamet which are, northern part through Guci, southern part through Kalipagu, Baturraden and easthern part through Bambangan. In northern parts, research activities were conducted at about 1200-2500m above sea level (m.asl.), in southern part, research activities was conducted at about 700-1000m m.asl and in eastern part research activities was conducted at about 1500-2400m asl.Out of the 37 species of longhorn beetles were collected during this research, dominated by Sybra fuscotriangularis (55 specimens). The longhorn beetles collected in southern part, indicated lowest individual number (36 spesimen) but indicating hightest species number. In the contrary, the highest number of spesimens collected but lowest species number (10 species) was collected in the eastern part, while in northern part, it was collected 86 individu (17 species).The species compositions and the number of individuals of longhorn beetles collected from each parts (northern, southern and easthern part) were different with specific groups. Longhorn beetles species collected from secondary forest was similar to the primary forest.Distribution pattern of longhorn beetles in Mt. Slamet indicated that some forest species were found at certain altitude such as Batocera spp and Gnoma thomsoni which only found at 700-1000m asl. The forest area which this altitute (700-1000m asl.) was located at the southern part of Mt Slamet (Kalipagu, Baturraden) where known as the main support of water reservoir for electric power and seven spout water (Pancuran Tujuh). Thus this area has to be conserved from illegal logging and human activities

    Contrasting multi-taxa diversity patterns between abandoned and non-intensively managed forests in the southern Dolomites

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    The abandonment of silvicultural activities can lead to changes in species richness and composition of biological communities, when compared to those found in managed forests. The aim of this study was to compare the multi-taxonomical diversity of two mature silver fir-beech-spruce forests in the southern Dolomites (Italy), corresponding to the European Union habitat type 9130. The two sites share similar ecological and structural characteristics, but differ in their recent management histories. In the last 50 years, one site underwent non-intensive management, while the other was left unmanaged and was included in a forest reserve. The species richness and composition of eight taxa were surveyed in the two sites between 2009 and 2011. The difference in mean species richness between the two forest management types was tested through permutation tests, while differences in species composition were tested by principal coordinates analysis and the permutational multivariate analysis of variance. Mean species richness of soil macrofungi, deadwood lichens, bark beetles, and longhorn beetles were significantly higher in the abandoned than in the non-intensively managed forests. Deadwood fungi and epiphytic lichens did not differ in mean species richness between the two study sites, while mean species richness of ground beetles and birds were higher in the non-intensively managed than in the abandoned forest. Significant differences in species composition between the two sites were found for all the taxa, except for longhorn beetles. These results indicate that improving forest landscape heterogeneity through the creation of a mosaic of abandoned and extensively managed forests should better fulfill the requirements of ecologically different taxa

    The History of Expansion of the Genus Bursaphelenchus (Nematoda: Aphelenchida: Parasitaphelenchidae)

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    Because of globalization and removal of geographical barriers, frequent biological invasions of introduced species become an urgent environmental problem. According to the Convention on Biological Diversity (CBD), precise identification of dangerous aggressive species at the early stages of their invasion to new regions is the most important component of the environmental control and monitoring. To resist the potential environmental hazard, the precise data are required on the current distribution and history of expansion of pests that are of global economic importance

    A first assessment of genetic variability in the longhorn beetle Rosalia alpina (Coleoptera: Cerambycidae) from the Italian Apennines

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    The Rosalia longicorn (Rosalia alpina) is a strictly protected saproxylic beetle, widely distributed in Central and Southern Europe and mainly associated with ancient beech forests. To improve knowledge about the conservation status of R. alpina in Italy, available molecular markers (microsatellites and mitochondrial cytochrome c oxidase I(COI)) were tested for the first time on Italian populations. The study was performed in four sampling sites distributed in two areas placed in Northern (“Foreste Casentinesi” National Park) and Central Apennines (“Abruzzo, Lazio and Molise” National Park) where populational data about Rosalia longicorn were collected in the framework of the European LIFE MIPP Project. The genetic relationship among Apennine and Central/South-eastern European populations was explored by a comparison with mitochondrial DNA (mtDNA) data from literature. Microsatellite markers were only partially informative when applied to R. alpina Italian individuals, although providing some preliminary indication on an extensive gene flow among populations from the Apennines and local ongoing processes of genetic erosion. Genetic data are consistent with previous ecological data suggesting that the maintenance of variability in this species could be related to both habitat continuity and preservation of large senescent or standing dead trees in forests. Finally, a peculiar origin of the Apennine populations of R. alpina from a putative “Glacial Refugium” in Italy was inferred through COI data. The high genetic distance scored among the analysed populations and those from Central and South-eastern Europe indicates that the R. alpina deme from Apennine Mountains might represent a relevant conservation unit in Europe. Further genetic analyses will allow assessing other possible conservation units of R. alpina and, thus, defining large-scale conservation strategies to protect this endangered longhorn beetle in Europe
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