Latest Articles from Silva Balcanica Latest 6 Articles from Silva Balcanica https://silvabalcanica.pensoft.net/ Fri, 29 Mar 2024 11:03:17 +0200 Pensoft FeedCreator https://silvabalcanica.pensoft.net/i/logo.jpg Latest Articles from Silva Balcanica https://silvabalcanica.pensoft.net/ First record of Chlorophorus herbstii (Brahm, 1790) in Greece and new localities of Xylosteus bartoni Obenberger & Mařan, 1933 (Coleoptera, Cerambycidae) https://silvabalcanica.pensoft.net/article/115337/ Silva Balcanica 24(3): 95-100

DOI: 10.3897/silvabalcanica.24.e115337

Authors: Giannis Bolanakis, Apostolos Trichas

Abstract: In this study, Chlorophorus herbstii (Coleoptera, Cerambycidae) was reported for the first time for Greek fauna. Another longhorn beetle, Xylosteus bartoni, has been found in two new localities in the country.

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Short Communication Thu, 28 Dec 2023 15:00:08 +0200
First record, new cultivated host and host plant preference of the invasive oak lace bug (Corythucha arcuata Say, 1832) (Heteroptera: Tingidae) in Transcarpathia (West Ukraine) https://silvabalcanica.pensoft.net/article/76231/ Silva Balcanica 22(3): 41-48

DOI: 10.3897/silvabalcanica.22.e76231

Authors: Antal Nagy, Kálmán Szanyi, Tímea Szalárdi, Szabolcs Szanyi

Abstract: Oak lace bug (Corythucha arcuata) has continuously spread through Europe since its appearance in 2000, and it has become a dangerous pest of Quercus species in most countries. Despite of its high abundance in the surrounding countries it was found in West Ukraine only in 2020. During our investigation carried out in 2020 OLB was detected in all studied large forest patches of the Ukrainian part of the Carpathian Lowland. These were one of the newest distribution data from Ukraine after its appearance in the far coast of Black See near Yalta (South Ukraine). OLB most live on Q. robur and Q. petraea but in an orchard located near an infested forest patch we found infested sweet cherry (P. avium) trees, which is a new, formerly not mentioned cultivated host of the pest.

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Research Article Tue, 21 Dec 2021 08:59:00 +0200
New data on the distribution and host plants of subfamily Buprestinae (Coleoptera: Buprestidae) in Bulgaria https://silvabalcanica.pensoft.net/article/77434/ Silva Balcanica 22(3): 5-12

DOI: 10.3897/silvabalcanica.22.e77434

Authors: Vladimir Sakalian, Enrico Migliaccio, Victor Gashtarov, Danail Doychev, Georgi Georgiev

Abstract: Data about the distribution and host plants of 47 species group taxa from subfamily Buprestinae are presented. In this study, three localities of Anthaxia (Anthaxia) suzannae were reported for the first time in Bulgaria. In addition, Paliurus spina-christi was established as a new host plant for Chrysobothris leonhardi.

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Research Article Fri, 10 Dec 2021 07:41:00 +0200
Factors affecting Thaumetopoea pityocampa emergence in laboratory conditions https://silvabalcanica.pensoft.net/article/66436/ Silva Balcanica 22(2): 5-15

DOI: 10.3897/silvabalcanica.22.e66436

Authors: Plamen Mirchev, Margarita Georgieva, Georgi Georgiev, Gergana Zaemdzhikova, Maria Matova, Viara Petrova

Abstract: To investigate the factors affecting the emergence of the pine processionary moth (Thaumetopoea pityocampa) in laboratory conditions, a number of 1487 larvae, prepupae and pupae were collected in the period February-May 2019 from five pest habitats: Fotinovo and Kandilka villages (inhabited by a summer phenological form), Sandanski and Klisura towns (winter phonological form occurs) and Sarnak village (both forms occur). At the date of collection, the rate of parasitism was very low (0-0.1%). Throughout the study, significant differences in the characteristics of pupal stage and mortality between both phenological forms were established. The rate of emerged adults varied from 21.4% to 77.6% in the observed habitats. The sex ratio between female and male specimens was almost equal. Only 0.6% of samples emerged in the second year, after diapause. In four localities (Fotinovo, Kandilka, Sandanski and Sarnak), the rate of infection by entomopathogens was between 6.0% and 20.8%, and the parasitism caused by tachinids – between 0.9% and 3.4%. The flight period of the summer and winter phenological forms of T. pityocampa were clearly differentiated with about a month. In summer form, the flight began in late May and ended in the last decade of June, and in winter form – from early July to the end of August. The duration of the flight period in both forms lasted 30 to 50 days with an equal number of emerged male and female specimens.

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Research Article Tue, 15 Jun 2021 10:26:00 +0300
Egg parasitoid complex of the pine processionary moth (Thaumetopoea pityocampa) on the Thasos Island, Greece https://silvabalcanica.pensoft.net/article/55699/ Silva Balcanica 21(2): 35-44

DOI: 10.3897/silvabalcanica.21.e55699

Authors: Margarita Georgieva, Georgi Georgiev, Maria Matova, Gergana Zaemdzhikova, Plamen Mirchev, Peter Boyadzhiev

Abstract: The egg parasitoid complex of the pine processionary moth (Thaumetopoea pityocampa) was surveyed for the first time on the Thasos Island, Greece. A total of 96 egg batches containing 20391 eggs were collected between 06 and 10 of September, 2017 from Aleppo pines (Pinus halepensis) at four sites (Skidia, Thimonia, Alyki and Panagia). Four primary parasitoids were identified (Ooencyrtus pityocampae, Baryscapus servadeii, Anastatus bifasciatus and Trichogramma sp.), as well as the hyperparasitoid B. transversalis. Among the parasitoids groups, O. pityocampae was the most common, followed by B. servadeii, whilst the number of other species was low. The highest survival rate was reported for three species: O. pityocampae, B. servadeii and A. bifasciatus, while the highest was the mortality in Trichogramma sp. All emerged adults of O. pityocampae and B. servadeii were female specimens and in A. bifasciatus – males. The number of females of B. transversalis was three times higher than the one of males. Ooencyrtus pityocampae and B. servadeii were the most important parasitoids of T. pityocampa, destroying respectively 27.1% and 9.9% of the host eggs.

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Research Article Tue, 6 Oct 2020 17:15:00 +0300
Dolichopodidae (Diptera) of Inner West Anatolia (Turkey) with a new species record https://silvabalcanica.pensoft.net/article/56073/ Silva Balcanica 21(2): 19-33

DOI: 10.3897/silvabalcanica.21.e56073

Authors: Alper Tonguç, Murat Barlas

Abstract: This study was carried out between 2009 and 2011 in the Inner West Anatolia region (Afyonkarahisar, Kütahya and Uşak). It was determined that the collected species belonged to eight subfamilies, 21 genera and 54 species. Neurigona suturalis is a new record for Turkey and the other 53 species are new records for the Inner West Anatolia.

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Research Article Tue, 6 Oct 2020 17:15:00 +0300