A new species of ant-attended Balcanocerus from Bulgaria (Hemiptera: Cicadellidae: Eurymelinae)

Pages	141-151
DOI	10.37520/aemnp.2024.011
Keywords	Hemiptera, Auchenorrhyncha, Cicadomorpha, Membracoidea, Cicadellidae, Idiocerini, ant-attendance, distribution, host plant, identification key, leafhopper, taxonomy, trophobiosis, Bulgaria, Palaearctic Region
Type of Article	Peer-reviewed
Citation	GJONOV, Ilia. A new species of ant-attended Balcanocerus from Bulgaria (Hemiptera: Cicadellidae: Eurymelinae). Acta Entomologica Musei Nationalis Pragae. Prague: National Museum, 2024, 64(1), 141-151. DOI: https://doi.org/10.37520/aemnp.2024.011. ISSN 0374-1036 (print) 1804-6487 (online). Also available from: https://publikace.nm.cz/en/periodicals/acta-entomologica-musei-nationalis-pragae/64-1/a-new-species-of-ant-attended-balcanocerus-from-bulgaria-hemiptera-cicadellidae-eurymelinae

Acta Entomologica Musei Nationalis Pragae | 2024/64/1

A new ant-attended species, Balcanocerus agapetomyrmices sp. nov. (Hemiptera: Cicadellidae: Eurymelinae), is described from Bulgaria. The only known host plant is Pyrus amygdaliformis Villars, 1807 (Rosaceae). Both the adults and the nymphs often form small aggregations of 4–6 individuals that are frequently visited by Lasius bombycina Seifert & Galkowski, 2016 (Hymenoptera: Formicidae) that feed on the excreted honeydew. The new species is close to B. balcanicus (Horváth, 1903), but differs in colouration, and male and female genitalia. A short overview of all Balcanocerus species with comments on their distribution and host plants and a key to the European species are provided.

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