Time filter

Source Type

During a light-trap moth survey on 21st June 2012 in the northern part of Istria, between the villages of Valica and Sveta Marija na Krasu, two individuals of the box tree moth, Cydalima perspectalis, were caught. This is the first Croatian record of this invasive species. Following the recent records from Slovenia and Hungary, this observation from Croatia indicates the spread of the species towards southern Europe.

Koren T.,University imorska | Crne M.,Biodiva Conservation Biologist Society | Withrington D.K.J.,21 Lawn Avenue
Entomologist's Gazette | Year: 2015

The butterfly fauna of the Adriatic islands of Cres and Losinj in Croatia is reviewed, and observations by the authors from 2008 to 2013 include seven species recorded on Cres for the first time. The total number of species for the island of Losinj is 59 and for Cres 77, making it the second most butterfly-rich of the Croatian islands. The total for Cres and Losinj together is 80 species compared with the 2007 total of 70.

The paper deals with four opisthobranch molluscs, which were found in the Slovenian marine waters as new records. The pleurobranchomorph Pleurobranchea meckeli was found on two occasions on muddy detritic bottom in the Gulf of Piran in June of 2013 and 2014. The nudibranch Favorinus branchialis was found in May and June 2014 on turf vegetation in a very shallow area off the pier in Koper harbour. Its spawn with white eggs was also found nearby. The second nudibranch Facelina rubrovittata was found in March 2010 crawling in the intertidal zone of the Nature reserve Strunjan. The third nudibranch Dondice banyulensis was found in waters of the Nature Monument Debeli rtic on sedimentary bottom. With the finding of these four species, the total number of opisthobranchs recorded to date in the Slovenian part of the Adriatic Sea increased to 75 species. © 2014 University of Primorska. All rights reserved.

Koren T.,Croatian Herpetological Society HYLA | Vukotic K.,Biodiva Conservation Biologist Society | Verovnik R.,University of Ljubljana
Entomologist's Gazette | Year: 2015

The study of the butterfly fauna of the Croatian islands Vir, Murter, Čiovo and Šolta is presented. Fieldwork was carried out from 2012 to 2014, and each island was visited several times, in different vegetation seasons. Altogether 56 species were recorded during the survey, 36 on Vir, 42 on Murter, 30 on Čiovo and 37 on Šolta. Most species records are new for these islands. Although we have not added any new species for the Croatian islands in general, records of rare species such as Zerynthia polyxena, Iolana iolas, Cupido minimus, Scolitantides orion, Euphydryas aurinia, Satyrus ferula, Gegenes pumilio and Thymelicus lineola present important extensions of their known ranges on the islands and in Dalmatia. None of the surveyed islands has particularly high butterfly diversity when compared to neighbouring or similar-sized islands. Lack of biotope diversity and high anthropogenic pressure are the main reason for the observed low diversity. Future surveys, in particularly of Čiovo and Šolta, should provide some additional species records. © 2015, Pemberley Books Publishing. All rights reserved.

Koren T.,University of Primorska | Beretta S.,Contra Mure San Michele | Crne M.,Biodiva Conservation Biologist Society | Verovnik R.,University of Ljubljana
Entomologist's Gazette | Year: 2013

The eastern limit of the distribution of Pyrgus malvoides has not been sufficiently studied. Field studies were undertaken and available collections of P. malvoides and P. malvae from eastern Italy, south-western Slovenia and Istria (Croatia) were examined. The known range of P. malvoides was extended eastwards and the species was found at several localities in Croatia, from where it had not been previously recorded. The eastern limit is now defined by the Čiéarija Mountains and Mt. Učka in the north-eastern part of Istria. Sympatry of the studied species was observed only at three sites, indicating some sort of ecological separation between the two species. This difference cannot be attributed to altitude/climate, as both species occur also at high elevations in the eastern Italian Alps. Although a contact zone of the species has been confirmed, no hybrids were observed amongst the material examined.

Loading Biodiva Conservation biologist society collaborators
Loading Biodiva Conservation biologist society collaborators