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  • 1
    Online Resource
    Online Resource
    Hrvatsko Sumarsko Drustvo ; 2021
    In:  Šumarski list Vol. 145, No. 5-6 ( 2021-06-30), p. 263-267
    In: Šumarski list, Hrvatsko Sumarsko Drustvo, Vol. 145, No. 5-6 ( 2021-06-30), p. 263-267
    Abstract: The Asiatic string cottony scale Takahashia japonica Cockerell (Hemiptera, Coccomorpha, Coccidae) is a species native to Japan. The first record in Europe was observed in Italy in 2017 and again in UK in 2018. In this paper, we provide an overview of the first record of T. japonica in Croatia. First appearance of T. japonica was in 2019 in Pula (Istrian County, Croatia) but the species was determined in spring 2020. In order to collect the field data as efficiently as possible we launched a citizen scientist campaign under title: “A search for an insect – Takahashia japonica ”. The campaign was shared to city utility companies in Istria, public institutions of protected areas, NGOs, local newspapers and radio stations. The specific morphology of the eggsacs enabled easy recognition of this species and ensured the accuracy of citizens’ reports. During the campaign we have collected in total seven reports in the city of Pula. The most common host plant of T. japonica was Acer sp. and Morus alba L. some of which have suffered significant defoliation and tree decay. Given the limited infestation and the relatively small number of infected trees, next step is to carry out a complete eradication of the species. The procedures of early detection measures and rapid eradication of invasive pest is in accordance to Regulation no. 1143/2014 of the European Parliament and the Council and by the European and Mediterranean Plant Protection Organization (EPPO). In the end, eradication activities have been agreed with the city utility company Herculanea d.o.o. which is responsible for horticulture and plant protection in the city of Pula.
    Type of Medium: Online Resource
    ISSN: 1846-9140 , 0373-1332
    Language: Unknown
    Publisher: Hrvatsko Sumarsko Drustvo
    Publication Date: 2021
    detail.hit.zdb_id: 2502974-5
    SSG: 23
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  • 2
    Online Resource
    Online Resource
    Elsevier BV ; 2008
    In:  Ecotoxicology and Environmental Safety Vol. 71, No. 2 ( 2008-10), p. 426-435
    In: Ecotoxicology and Environmental Safety, Elsevier BV, Vol. 71, No. 2 ( 2008-10), p. 426-435
    Type of Medium: Online Resource
    ISSN: 0147-6513
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2008
    detail.hit.zdb_id: 1466969-9
    SSG: 24,1
    SSG: 12
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  • 3
    In: International Journal of Molecular Sciences, MDPI AG, Vol. 24, No. 4 ( 2023-02-18), p. 4136-
    Abstract: As a proxy for pollutants that may be simultaneously present in urban wastewater streams, the effects of two microplastics—polystyrene (PS; 10, 80 and 230 μm diameter) and polymethylmethacrylate (PMMA; 10 and 50 μm diameter)—on fertilisation and embryogenesis in the sea urchin Arbacia lixula with co-exposure to the pyrethroid insecticide cypermethrin were investigated. Synergistic or additive effects were not seen for plastic microparticles (50 mg L−1) in combination with cypermethrin (10 and 1000 μg L−1) based on evaluation of skeletal abnormalities or arrested development and death of significant numbers of larvae during the embryotoxicity assay. This behaviour was also apparent for male gametes pretreated with PS and PMMA microplastics and cypermethrin, where a reduction in sperm fertilisation ability was not evidenced. However, a modest reduction in the quality of the offspring was noted, suggesting that there may be some transmissible damage to the zygotes. PMMA microparticles were more readily taken up than PS microparticles, which could suggest surface chemical identity as potentially modulating the affinity of larvae for specific plastics. In contrast, significantly reduced toxicity was noted for the combination of PMMA microparticles and cypermethrin (100 μg L−1), and may be related to less ready desorption of the pyrethroid than PS, as well as cypermethrin activating mechanisms that result in reduced feeding and hence decreased ingestion of microparticles.
    Type of Medium: Online Resource
    ISSN: 1422-0067
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2019364-6
    SSG: 12
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  • 4
    In: Frontiers in Ecology and Evolution, Frontiers Media SA, Vol. 10 ( 2022-4-13)
    Abstract: Hesperomyces virescens (Ascomycota, Laboulbeniales), a fungal ectoparasite, is thus far reported on Harmonia axyridis from five continents: North and South America, Europe, Africa, and Asia. While it is known that He. virescens can cause mortality of Ha. axyridis under laboratory conditions, the role of biotic and abiotic factors in influencing the distribution of He. virescens in the field is unknown. We collected and screened 3,568 adult Ha. axyridis from 23 locations in seven countries in Central Europe between October and November 2018 to test the effect of selected host characters and climate and landscape variables on the infection probability with He. virescens . Mean parasite prevalence of He. virescens on Ha. axyridis was 17.9%, ranging among samples from 0 to 46.4%. Host sex, climate, and landscape composition did not have any significant effect on the infection probability of He. virescens on Ha. axyridis . Two color forms, f. conspicua and f. spectabilis , had a significantly lower parasite prevalence compared to the common Ha. axyridis f. novemdecimsignata .
    Type of Medium: Online Resource
    ISSN: 2296-701X
    Language: Unknown
    Publisher: Frontiers Media SA
    Publication Date: 2022
    detail.hit.zdb_id: 2745634-1
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  • 5
    Online Resource
    Online Resource
    Hrvatski Prirodoslovno Drustvo (Croatian Society for Natural Sciences) ; 2015
    In:  Periodicum Biologorum Vol. 117, No. 3 ( 2015-11), p. 415-424
    In: Periodicum Biologorum, Hrvatski Prirodoslovno Drustvo (Croatian Society for Natural Sciences), Vol. 117, No. 3 ( 2015-11), p. 415-424
    Type of Medium: Online Resource
    ISSN: 0031-5362
    Language: Unknown
    Publisher: Hrvatski Prirodoslovno Drustvo (Croatian Society for Natural Sciences)
    Publication Date: 2015
    detail.hit.zdb_id: 2493383-1
    SSG: 12
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  • 6
    Online Resource
    Online Resource
    Hrvatski Prirodoslovno Drustvo (Croatian Society for Natural Sciences) ; 2016
    In:  Periodicum Biologorum Vol. 117, No. 3 ( 2016-01-15)
    In: Periodicum Biologorum, Hrvatski Prirodoslovno Drustvo (Croatian Society for Natural Sciences), Vol. 117, No. 3 ( 2016-01-15)
    Abstract: Background and Purpose: In the early 20th century, two native North American poeciliid species Gambusia holbrooki and Gambusia affinis were introduced to Europe as a mosquito control agent. The first introduction to Istria from Italy in 1924 was followed by several independent introductions and massive translocations. Presently, the distribution of these two species in Croatia and Bosnia and Herzegovina (Bosnia and Herzegovina) is still largely unknown and they are often confused. The purpose of this study was to determine the taxonomic status of individual Gambusia populations and to shed more light on the distribution and phylogeographic patterns of these invasive species in Croatia and Bosnia and Herzegovina. Materials and Methods: All new and literature data were plotted together to obtain the overall distribution of Gambusia sp. in Croatia and Bosnia and Herzegovina. The samples collected across this range were analysed meristically and by means of mitochondrial cytochrome b (cytb) gene sequence analysis to ascertain the true taxonomic status of the populations. For phylogeographic analysis, the cytb sequences from this study were combined with previously published data. Results and Conclusions: The methods only confirmed the presence of G. holbrooki. G. holbrooki is continuously distributed across the entire Mediterranean biogeographical region in Croatia and Bosnia and Herzegovina. Two different mitochondrial cytb haplotypes were found: the widely spread Hol1 haplotype and haplotype Hol5 that in Europe was previously found only in France and Greece. This suggests that G. holbrooki populations in the region originated from different stocks.
    Type of Medium: Online Resource
    ISSN: 1849-0964 , 0031-5362
    Language: Unknown
    Publisher: Hrvatski Prirodoslovno Drustvo (Croatian Society for Natural Sciences)
    Publication Date: 2016
    detail.hit.zdb_id: 2493383-1
    SSG: 12
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  • 7
    Online Resource
    Online Resource
    Hrvatsko Sumarsko Drustvo ; 2017
    In:  Šumarski list Vol. 141, No. 5-6 ( 2017-06-30), p. 271-276
    In: Šumarski list, Hrvatsko Sumarsko Drustvo, Vol. 141, No. 5-6 ( 2017-06-30), p. 271-276
    Abstract: Aphid species Cinara cedri (Mimeur, 1936), the unusual species of the Croatian aphid fauna, was recorded in the area of Pula (Istria, Croatia) on October 23 〈 sup 〉 rd 〈 /sup 〉 , 2012 (Figure 2,3). It was found in the southern part of the town on Cedrus libani tree. The species was identified by combined morphological and molecular approaches. Standardised fragment of the mitochondrial cytochrome c oxidase I gene (DNA barcode region) was used as a molecular marker. Molecular analysis supported morphological identification of specimens as Cinara cedri . Phylogenetic analysis placed Pula specimens within highly supported, monophyletic Cinara cedri clade. In the overlaping region (629 bp) their sequences are identical to the sequence of Cinara cedri from China, while the pairwise genetic distance between them and 56 other Cinara species included in analysis were greater than 7.7 % (Figure 4 b). Identification through Barcode of Life Data Systems (BOLD) web platform (currently containing DNA barcode sequences of 99 species of genus Cinara ), matched Pula specimens to Cinara cedri with 99.7 % probability of placement. Monitoring conducted during the time period of 2013 – 2015 in the wider area has not revealed either new populations of this species or the population increment at the original location.
    Type of Medium: Online Resource
    ISSN: 1846-9140 , 0373-1332
    Language: Unknown
    Publisher: Hrvatsko Sumarsko Drustvo
    Publication Date: 2017
    detail.hit.zdb_id: 2502974-5
    SSG: 23
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  • 8
    In: Animals, MDPI AG, Vol. 13, No. 6 ( 2023-03-10), p. 1024-
    Abstract: Diptera, with their participation in pollination, significantly contribute to the maintenance of plant diversity, and they also have great potential for assessing habitat health and preserving it. A decline in their abundance and diversity has been recorded worldwide as a consequence of biotic, abiotic, and anthropic alterations. In addition to pollinators, these orders include agricultural and forestry pests, which are a threat to both cultivated and wild plants that are very important to the economy. Many pests have escaped from their native areas, and it is important to monitor their spread to implement sustainable means of control. Our study provides baseline information on Diptera and Vespidae diversity in the Mediterranean mosaic of agroecosystems, giving information on the importance of human influence on insect diversity. We carried out an insect inventory in Istria, Croatia, using a set of traps placed in the proximity of beehives. This study was also important in determining the presence of pests and newly introduced species. A total of 94 species from 24 families were recorded—7 important agricultural pests of Diptera and 17 new records for Croatia. The correlation between species diversity and environmental and anthropogenic factors leads to the conclusion that total insect species richness, pest species richness, and the first findings depend on human activities. The number of honeybee colonies negatively correlated with species richness, while anthropic influence positively affected total and pest species richness.
    Type of Medium: Online Resource
    ISSN: 2076-2615
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2606558-7
    SSG: 23
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  • 9
    In: Applied Sciences, MDPI AG, Vol. 13, No. 16 ( 2023-08-21), p. 9483-
    Abstract: Ticks are significant vectors of pathogens in human and veterinary medicine and have been identified as (re)emerging health threats. The primary objective of this study was to collect new data on the fauna of hard ticks within the region of Istria with a focus on spatial distribution using a geographical information system (GIS). All tick specimens were collected over three years (2020–2023), and this research included all 41 self-government units of Istria and Brijuni Islands National Park. Ticks were collected using the flagging/dragging method and manually from hosts (humans, domestic, or wild animals). In addition, morphological identification using tick keys was performed. The obtained data were used to create maps and feed models and to predict risk assessments. Collected data reveal the predominant presence of Ixodes ricinus, accounting for (n = 446) or 48.1% of the tick population. Rhipicephalus sanguineus (Ixodida: Ixodidae) follows with (n = 253) or 27.23%, and Hyalomma marginatum represents (n = 136) or 14.64% of the tick species collected using the host method in the region. Tick–host relationships are complex and influenced by a range of ecological and environmental factors. The results of this research will contribute to a better understanding, identification, and prediction of the changes in their geographic ranges and help in the prevention and control of zoonosis transmitted to humans by ticks. The obtained results mapped using GIS support the first study on the spatial distribution of ticks in the region of Istria in Croatia.
    Type of Medium: Online Resource
    ISSN: 2076-3417
    Language: English
    Publisher: MDPI AG
    Publication Date: 2023
    detail.hit.zdb_id: 2704225-X
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  • 10
    In: Plants, MDPI AG, Vol. 9, No. 9 ( 2020-09-18), p. 1229-
    Abstract: Some wild, morphologically diverse taxa of the genus Iris in the broad Alpine-Dinaric area have never been explored molecularly, and/or have ambiguous systematic status. The main aims of our research were to perform a molecular study of critical Iris taxa from that area (especially a narrow endemic accepted species I. adriatica, for which we also analysed genome size) and to explore the contribution of eight microsatellites and highly variable chloroplast DNA (ndhJ, rpoC1) markers to the understanding of the Iris taxa taxonomy and phylogeny. Both the microsatellite-based UPGMA and plastid markers-based maximum likelihood analysis discriminated three main clusters in the set of 32 analysed samples, which correspond well to the lower taxonomic categories of the genus, and support separate status of ambiguous regional taxa (e.g., I. sibirica subsp. erirrhiza, I. x croatica and I. x rotschildii). The first molecular data on I. adriatica revealed its genome size (2C = 12.639 ± 0.202 pg) and indicated the existence of ecotypes. For future molecular characterisation of the genus we recommend the utilisation of microsatellite markers supplemented with a combination of plastid markers.
    Type of Medium: Online Resource
    ISSN: 2223-7747
    Language: English
    Publisher: MDPI AG
    Publication Date: 2020
    detail.hit.zdb_id: 2704341-1
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