Toni Koren

Toni Koren
Association Hyla

dr. sc.

About

168
Publications
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735
Citations
Additional affiliations
October 2010 - September 2014
University of Primorska
Position
  • Researcher

Publications

Publications (168)
Article
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Stenonemobius gracilis (Jakovlev, 1871) is an elusive cricket species whose presence in Croatia was expected, but never confirmed. Herewith we report that the Dwarf Cricket has been found in Croatia for the first time, in Kamenjak, Premantura, Istria in 2021. This is the 189th Orthoptera species reported from Croatia. The short note presents the ph...
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Calocucullia celsiae (Herrich-Schäffer, [1850]) is an easily recognizable noctuid species, differing from all other similar species in its subfamily. Within this survey, it was recorded at two localities in Bosnia and Herzegovina. Two specimens were collected near Hutovo village in the southern Herzegovina region in April 2023, and a single specime...
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As the human population in urban areas is continuously growing, urbanization is one of the greatest threats to biodiversity. To mitigate the negative effects, the inclusion of blue zones (aquatic habitats) in modern urban development practices is strongly recommended, as they could be beneficial for the local biodiversity conservation. Odonata are...
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New data and a historical overview of the distribution of the endemic European hoverfly Psarus abdominalis (Fabricius, 1794) in Bosnia and Herzegovina, Croatia,and Serbia are presented. Psarus abdominalis is the hoverfly with the highest priority for protection in Europe. The species is reported for the first time in Bosnia and Herzegovina, while r...
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Additions to the moth fauna of Bosnia and Herzegovina and Croatia are given. We report on first observations of five species and on reconfirmation of one species after eight decades. In Croatia, we recorded the species Eublemma cochylioides (Guenée, 1852) for the first time, while Eublemma himmighoffeni (Millière, 1867) has been confirmed in the co...
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Hermann’s tortoise ( Testudo hermanni ) is listed as “Near threatened” in the IUCN Red list of endangered species. The importance of protecting the Hermann’s tortoise populations and its habitats have led to the inclusion of the species within CITES Convention (Annex II), Annex A of EU Wildlife Trade Regulation, Annex II of the Bern Convention and...
Article
Svilaja is a 30 km-long mountain range in the Outer Dinarides in the hinterland of northern Dalmatia, between the rivers Cetina and Čikola. It has never been the target of systematic butterfly surveys and its fauna remained completely unknown. During our surveys from 2019 to 2022, we recorded 112 butterfly species at 37 sites. The butterfly richnes...
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Cilj ovog rada je prikazati prve podatke o raznolikosti porodice Zygaenidae planine Koritnik na Kosovu. Iako je ta planina središte biološke raznolikosti, ivanjske ptičice nikad nisu istraživane. Tijekom našeg istraživanja 2021. i 2022. na deset lokaliteta zabilježeno je 11 vrsta porodice Zygaenidae. Jedna od njih, Jordanita notata (Zeller, 1847),...
Article
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Entomological collections are an invaluable source of data, due to the variety of species they contain, capturing the biodiversity of a given time. Thus, the entomology part of the Division of Zoology Collection (Faculty of Science, Department of Biology), in Zagreb, established in 1890, is an important asset for all faunistic research and any over...
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The first checklist of hawk-moths (Sphingidae) of Croatia is presented. The checklist is based on the examination of museum collections and published records. So far, 22 species have been recorded in Croatia, of which two, Hippotion celerio (Linnaeus, 1758) and Sphingoneopsis gorgoniades (Hübner, 1819) have not been confirmed during recent studies,...
Article
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Moths of the family Sphingidae are large and usually easily recognizable moths, that remain not sufficiently surveyed in some parts of Europe, including the Republic of Kosovo. From 2020 to 2022, Sphingidae diversity was surveyed in Kosovo’s part of mountain Koritniku, near the border with Albania. The moths were collected with light traps in the p...
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In this article, we present a new record for moth fauna in Kosovo. The specimens of Euphyia biangulata (Haworth, 1809) (Lepidoptera, Geometridae) were collected at two localities on Mt. Koritnik. This newly recorded species increases the number of geometrid species recorded for Kosovo to 248.
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The data on two new species for the Croatian fauna and one new species for the fauna of Bosnia and Herzegovina are given. Caenocoris nerii (Germar, 1847) represents a new genus and species for both countries, while Tropidothorax sternalis (Dallas, 1852) is recorded for the first time in Croatia. In addition, two new host plant species of C. nerii a...
Article
Two Noctuidae species are reported as new members of the fauna of Croatia, Amphipyra stix Herrich-Schäffer, [1850] was recorded near Smrden grad in southern Dalmatia while Lenisa geminipuncta (Haworth, 1809) was recorded in Nature Park Kopački rit and northern part of Međimurje county. Amphipyra cinnamomea (Goeze, 1781) is reported as a second coun...
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In this paper, we present new records of Acontia candefacta in Croatia, Slovenia and Bosnia and Herzegovina. From the time of the first records in Croatia in 2019, the species has spread across much of the country and has also become very common in its northern regions. The first observations have been reported for Slovenia and Bosnia and Herzegovi...
Article
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Odonata is an amphibious insect order constituting an important link between aquatic and terrestrial habitats. Members of the group are widely used as bioindicators of freshwater habitat health. The Odonata fauna of a total of 44 freshwater habitats in the wider area of Papuk Nature Park was investigated in the spring and summer of 2017 and 2019. T...
Article
In August 2022 the first individuals of the dragonfly species Violet dropwing, Trithemis annulata (Palisot de Beauvois, 1807), were observed in Croatia, at three localities in southern Dalmatia. Two males were observed at the Peračko Blato lake, while both males and females were recorded at two localities at the Baćinska Lakes. At the Baćinska Lake...
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A review of records of hangingflies (Mecoptera: Bittacidae) in the Balkan countries is presented. While Bittacus italicus was cited for all Balkan countries in the past, with the exception of the European part of Turkey, the much rarer B. hageni was reported from Romania and Slovenia only. Here we report both on published and unpublished older reco...
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The first records of Poecilocampa alpina canensis in Croatia are presented. The species was recorded at two localities in southern Dalmatia, Pobrežje and nature park Biokovo. This is a montane species active late in the year, with a rather low number of published records in western europe. The closest populations to the ones from Croatia are from S...
Article
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In the end of July 2022 we conducted a small international BIOLOGER field camp in the Stara Planina Mt., Serbia, this year associated with BOOM. The location was chosen because of the interesting geology of the mountain, beautiful landscape and its high biodiversity. Since the fauna of Odonata in Serbia is still not very well known, we present our...
Article
In this paper we studied the diet in four allopatric populations of alpine salamanders in the Dinarides ( Salamandra atra prenjensis ). Food consumption was assessed by stomach flushing while food availability by pitfall traps and netting. We aimed to: (i) assess the realized dietary niche, (ii) investigate prey preferences, (ii) explore individual...
Article
In this work we will present the Lepidopterological collection which is stored in the Natural History Museum in Split created by Petar Novak for the exhibition purposes of the Museum. Aside from Lepidoptera, the collection contains other orders of insects including Coleoptera, Hemiptera, Orthoptera, Odonata, Hymenoptera, and Diptera which await tax...
Article
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We studied the butterfly fauna of the protected area Barać Caves Significant Landscape, which is located in the southern part of the Kordun region. The surveys,carried out during 2020 and 2021, recorded a total of 79 butterfly species. The species recorded in the area outnumber those far recorded in northern Kordun (74) and Plitvice Lakes NP (71),...
Article
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The members of the genus Milesia are large, wasp-mimic, saproxylic hoverflies. In Europe, only two species occur: Milesia crabroniformis and M. semiluctifera, but their distribution is still not sufficiently known, especially in eastern Europe. In the Balkans, Serbia is the country with the best-studied hoverfly fauna, while most of the other count...
Article
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Occurrences of the Little Tiger Blue, Tarucus balkanicus (Freyer, 1844) in Croatia and Bosnia & Herzegovina represent the northern and western distribution limits of this species in its entire range. During our surveys the species was observed at 27 locations in Croatia and two new locations in Bosnia & Herzegovina. The most interesting records are...
Article
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New records of Hyles vespertilio (Esper, 1780) are reported from Croatia, Bosnia and Herzegovina and Serbia. In Croatia, a single specimen was recorded on Mt. Biokovo, within the Biokovo Nature Park, southern Croatia. This is the first record in the country in 44 years. In Bosnia and Herzegovina, the species was recorded at 11 localities within or...
Article
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The Geometridae is the second most diverse Lepidoptera family in Europe but its diversity has not been studied evenly across the continent. In this paper, we present the first tentative checklist of Geometridae from Kosovo, which is based on the results from our survey conducted in the period March-October 2020 and the existing literature. During o...
Article
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The moth diversity of Significant landscape Donji Kamenjak and Medulin archipelago was surveyed during 2021. Together with the data collected in several field trips in previous years, 446 species of moths have been recorded in the area so far. Many of the recorded species belong to the seldomly recorded moth species in Croatia and some represent on...
Article
Zygaena brizae is one of the rarer species of burnet moths on the Balkan peninsula, with only a handful of recent records. While it has been listed as part of the fauna of Croatia, prior to this survey, records from the country were scarce and imprecise, referring only to Istria or Dalmatia, without any exact locality. During 2021 this species has...
Article
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Hoverflies (Syrphidae) are a large Dipteran family, distributed almost worldwide. They play very important ecological roles such as plant pollination, nutrient recycling and predation of plant pests. The members of the genus Epistrophe Walker, 1852 are medium-sized hoverflies of which about 75 species have been described in the World, and 12 of the...
Article
New records of the genus Eilicrinia Hübner, 1823 in Croatia are presented and the previous literature records are summarized. Eilicrinia cordiaria (Hübner, 1790) has been recorded in Croatia after an apparent absence of 36 years at six new localities. The species has a scattered distribution in the country, with historical records originating from...
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An updated distribution of the genus Chersotis Boisduval, 1840 in Croatia, Albania and Bulgaria is presented. A total of seven species have been recorded in Croatia so far, with Chersotis laeta leonhardi (Rebel, 1904) being recorded for the first time during this survey. Chersotis laeta achaiana Thurner, 1967 is reported as new for Albania. The rec...
Article
Six species of grass moths (Crambidae) were recorded for the first time in Croatia. Chilo luteellus, Chilo pulverosellus and Thopeutis galleriellus were recorded in the Neretva River delta, showing the importance and great biodiversity of this Ramsar site, one of the largest Mediterranean wetlands. Euchromius rayatellus was recorded near Žmanska La...
Article
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In terms of Rhopalocera diversity Kosovo is one of the least studied areas in Europe. During 2018 we visited Kosovo on several occasions and gathered a total of 500 records of 98 species of butterflies or 57% of the 171 species known from the area so far. While our survey was not systematic and most localities were visited only once, the data gathe...
Article
Here we present new records of two rare tiger beetles in Croatia, their distribution and habitat selection. Cylindera trisignata trisignata (Dejean, 1822) was recorded in Croatia,for the first time in 115 years, on Mljet Island in Blace Bay. Specimens were collected on a sandy beach, 5 - 6 m from the water’s edge sea coast. Cylindera arenaria vienn...
Article
In 2016 and 2017 a survey of the butterflies and moth fauna of the island of Lokrum, Dubrovnik was carried out. A total of 208 species were recorded, which, together with 15 species from the literature, raised the total number of known species to 223. The results of our survey can be used as a baseline for the study of future changes in the Lepidop...
Article
The Procridinae are a subfamily of Zygaenidae and are generally perceived as difficult group as the examination of genital structures are needed for the correct identification of most species in Europe. In Croatia, 11 species belonging to this subfamily were recorded so far, but the records for most of them are rather scarce, and based on a limited...
Article
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Mosor is a small mountain massif situated in central Dalmatia, above the cities of Split and Omiš. It was never a target of any systematic butterfly surveys, with its fauna remaining almost completely unknown. During our surveys from 2011 to 2020, we recorded 96 butterfly species at 60 localities. With the literature record of Polyommatus ripartii,...
Article
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During a moth survey of Neretva river Delta, southern Croatia, two interesting Noctuoidea species were recorded for the first time in the country. Hydraecia osseola was recorded close to Metković, some 450 km from the nearest known populations in northern Italy. Araeopteron ecphaea was recorded near Neretva river mouth, about 500 km NW from the clo...
Article
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In this paper we report the first overview of dragonfly fauna of Lastovo Island, southern Croatia, based on published literature data and recent surveys conducted in 2014 and 2018. So far 16 species have been recorded on the island. The following five species were detected for the first time for the island within this survey: Ischnura elegans, Aesh...
Article
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The first overview of the amphibians and reptiles of Dugi Otok Island, Northern Dalmatia, is presented, based on the published data and new records collected during the last twenty years. A total of 15 species are present on the island, of which only one was not recorded on our surveys. In comparison to other islands of Northern Dalmatia, Dugi Otok...
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(article in Slovene): Dragonfly records from July and August 2020 from Slovenia, Bosnia and Herzegovina, Serbia and Croatia as a part of Balkan OdonatOlogical cooperations.
Article
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We analysed the status and distribution of the Sage Skipper Muschampia proto (Ochsenheimer, 1808), a rather rare and local Hesperiidae species at the edge of its range in the north-western part of the Balkan peninsula, mainly Croatia and Bosnia & Herzegovina. In order to determine the species’ presence in the region, we mapped the occurrence of its...
Article
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Lička Plješevica is an elongated mountain massif situated in the Croatian Lika region, at the border with Bosnia and Herzegovina. It was never a target of any systematic butterfly surveys, and its butterfly fauna was poorly studied. During our surveys from 2007 to 2019, we recorded 142 butterfly species on 71 localities. Along with the records from...
Article
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Lička Plješevica es un alargado macizo montañoso situado en la region croata de Lika, en la frontera con Bosnia y Herzegovina. No fue una meta, de ninguna investigación sistemática de las mariposas y su fauna está pobremente estudiada. Durante nuestras inspeciones de 2007 a 2019, registramos 142 especies de mariposas de 71 localidades. Al mismo tie...
Article
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We have developed a new platform named "Biologer" intended for recording species observations in the field (but also from literature resources and collections). The platform is created as user-friendly, open source, multilingual software that is compatible with Darwin Core standard and accompanied by a simple Android application. It is made from th...
Article
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Data for 12 moth species for the first time recorded in Bosnia & Herzegovina are presented. Most of the species can be characterized as common in the region and were probably overlooked during the limited historical surveys of the country. Some species, like Eriogaster rimicola and Pachycnemia tibiaria are probably scarcer and limited to the Sub-Me...
Article
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A study of the butterfly fauna of the southern Croatian islands of Lastovo and Prežba is presented. Fieldwork was carried out from 2013 to 2018, during different vegetation seasons. Altogether 30 species were recorded during the survey, including 13 new records for Lastovo. Along with Satyrium ilicis known only from the literature, 31 butterfly spe...
Article
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Criorhina floccosa is a large, bumblebee-mimic and saproxylic hoverfly which mainly inhabits deciduous forest habitats and its larvae develop in rot-holes, wet decaying roots, but also in live trunks. The range of this species includes almost all of europe, but it had not been recorded in Croatia so far. C. floccosa was registered on the territory...
Article
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In the present paper we report first observations of the invasive sycamore seed bug, Belonochilus numenius (Say, 1832) in Croatia. So far, we recorded the species in five localities in Croatia, one in Zagreb, two in Split and two in and around Dubrovnik. All the records originate from the urban areas with Plane trees on which the species feeds.
Article
We studied species composition and seasonal coexistence of coprophagous Scarabaeoidea from two study sites in karst meadows in sub-Mediterranean Slovenia. Each site consisted of three habitat patches with different impact of grazing (S1, the active part of the pasture; S2, the overgrown part of the pasture, mainly spiny shrubs; S3, a meadow with so...
Article
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New observations of lattice brown, Kirinia roxelana (Cramer, 1777) in southern Croatia are presented. The species has been recorded at 11 new localities across the mainland part of Dubrovnik-Neretva County. As the species inhabits mostly rural areas, more targeted surveys in such habitats are needed to provide additional records. The specificity of...
Article
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Mt Kozjak is an elongated mountain ridge situated in central Dalmatia, just above the Riviera of Kaštela near Split. It was well surveyed a century ago by Hermann Stauder who recorded 38 butterfly species. Among these, Papilio alexanor was the most prominent discovery. During our surveys from 2007 to 2018, we recorded 82 butterfly species at 19 loc...
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Vlažna staništa pružaju mnoge usluge ekosustava, npr. služe kao prirodne retencije poplavnih voda, a mogu biti i područja za rekreaciju šire javnosti. Predstavljaju i životno važna staništa za brojne životinjske vrste, stoga su mnoga vlažna staništa pod nekim stupnjem zaštite. Unatoč tomu, fauna mnogih vlažnih staništa i dalje je većinom nepoznata,...
Article
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From 2004 onwards, the African monarch (Danaus chrysippus (Linnaeus, 1758)) has been recorded in the Neretva river delta, southern Croatia. Aside from the observation of several specimens, nothing about its biology, reproduction or status there has been known so far. All the previous specimens were recorded at the end of summer, while in spring and...
Article
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The caterpillars of the Southern Swallowtail, Papilio alexanor have been recorded in the vicinity of Trebinje, Bosnia & Herzegovina. This is the first recent observation of this species in the country and the third observation so far. Opopanax chironium is confirmed as the larval host plant in Bosnia and Herzegovina, which was expected due to the r...
Poster
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Wetlands in the Mediterranean area represent one of the most endangered habitats, which have in the last century faced significant losses in numbers and in surface coverage. In order to assess the current status of the wetlands on the Adriatic islands, Association Hyla, along with partners, started to work on two projects, "KARST - the Dinaric Arc...
Poster
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The Mediterranean area represents one of the most important hot spots for the dragonfly diversity in Europe, and the same is true with the east Adriatic coastline in Croatia, on which more than 40 species of Odonata occur. Aside from lakes and rivers which are few and far apart, across the coastline and the Adriatic islands the karstic ponds repres...
Poster
Nature park Medvednica is located in the near vicinity of Zagreb, which resulted in surveys of flora and fauna of the mountain, spanning from the 19th century until today. Despite of that, many insect groups have never been surveyed, and one of such groups are dragonflies. So far, 71 dragonfly species have been recorded in Croatia, while for Medved...
Poster
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In the last ten years Association Hyla gathered data about saproxylic beetles in Croatia, including family Lucanidae. Literature data was entered to Hyla Association database, and recent data was gathered through field surveys and the Bioportal-geoportal of the Croatian Nature Protection Information system. Field data was gathered systematically if...
Poster
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Over the last several decades, many technological advances in information technologies and database management have made it easier for biologists to collect, handle and analyse large quantities of data. In parallel, advances in networking and the advent of ever powerful smartphones and tablets have made it possible to access that data via the inter...
Poster
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In the period between May and September 2017, we studied the butterfly fauna of the northwestern part of the Žumberak-Samoborsko Gorje Nature Park. Overall, we recorded 89 species of butterflies on 25 investigated dry grasslands. The lowest number of species found on the site was 17 and the highest 45 species. Some of the rarest species in the Croa...
Article
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The pond slider Trachemy scripta was one of the most commonly exported turtles until the last decade and often released into the wild outside its native range. It was introduced to Europe, Africa, South America and Asia and included on the EU list of 100 World's Worst Invasive Alien Species and the List of invasive alien species of Union concern. T...
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A study of the butterfly fauna of the Croatian island of Korčula is presented. Fieldwork was carried out from 2011 to 2017, during several visits in different vegetation seasons, from the end of April until November. Altogether, 53 species were recorded during the survey, including 21 new records for the island. Along with literature records, 60 bu...
Article
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The first survey of the moth fauna on the Natura 2000 site Livade uz Bednju I to IV and its near surroundings was conducted in 2016. Four locations were selected and visited three times in different seasons. A total of 381 moth species were recorded, with the most numerous families being Geometridae (102 species), Noctuidae (94 species), Erebidae (...
Article
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During faunistic surveys of the moths of Croatia, three species of Crambidae were recorded for the first time in the country. Ostrinia quadripunctalis, a rare thermophilic species, has been found on Krč Hill, in the vicinity of Zagreb. Two migratory species, Spoladea recurvalis and Herpetogramma licarsisalis, have been found in the southern part of...
Article
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The discovery of the previously unknown entomological collection of the academician Vanda Kochansky-Devidé is presented. The specimens were collected in the beginning of the 20 th century across Croatia and Slovenia, when she was only 10-14 years of age. The collection contains 341 specimens belonging to 174 species. 191 specimens belong to butterf...
Poster
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The project „Conservation of the island wetlands of the Mediterranean basin” (MedIsWet) represents a replication of the Greek island wetland inventory project on all islands of the Mediterranean Basin. An important project outcome at the national level will be the first systematic standardized island wetland inventory in Croatia which is going to b...
Article
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We studied the richness and structure of the coprophagous Scarabaeoidea community in two pastures (Hrastovlje and Zazid) in sub–Mediterranean Slovenia. In each pasture, we examined three habitat patches characterised by different levels of grazing (S1, the active part of the pasture; S2, the overgrown part of the pasture, mainly spiny shrubs; S3, a...
Article
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Background and purpose: The moth fauna of Croatia is still insufficiently surveyed. During the last several years, several overviews of the moth fauna for several locations were published and several new species for the country had been found. Only two species from Annexes II and IV of the Habitats Directive are listed for Croatia. A third is known...
Article
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Records of butterflies observed in the Croatian County of Istria have been compiled from published articles; these have been supplemented by unpublished records from the authors and their associates over the last few decades, and by a programme of field surveys in 2014 and 2015 to fill the gaps in the localities visited. A total of 136 species were...
Article
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During a nine-year survey of the Hrvatsko zagorje region carried out from 2008 until 2016 we recorded 112 butterfly species. Records were supplemented with seven species known only from literature data, which amounted to 119 species representing 60 % of the Croatian butterfly fauna. The highest butterfly diversity was registered on the mountains Iv...
Article
Bolbelasmus unicornis is a rare thermophilous species distributed in Central Europe and the Balkan Peninsula. It is listed in both Annexes II and IV of the Habitat Directive, and is of special conservation concern within the European Union. No Special Areas of Conservation (SACs) were assigned for this species in Croatia due to the poor knowledge o...