DOI: 10.15560/22.2.205

Authors: Olavi Kurina, Tõnu Kesküla, Silver Sisask, Erki Õunap

Abstract: The Brown-banded Cockroach, Supella longipalpa (Fabricius, 1798), is a synanthropic species of presumed African origin widely spread through human-mediated transport. We report the first verified record of S. longipalpa from Estonia and the Baltic countries, based on material collected indoors in a student dormitory in Tartu. The presence of adults, nymphs, and an ootheca indicates local completion of the life cycle. Identification was based on morphology and confirmed by DNA barcoding. This record extends the known distribution of the species in northern Europe.

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DOI: 10.15560/20.5.1083

Authors: Olavi Kurina, Kristjan Jaak Valk

Abstract: Previous data on Estonian louse flies (Diptera, Hippoboscidae) are dispersed across various, mainly local scientific articles and popular science writings, making them inaccessible to a broader interna‑ tional audience. No comprehensive species list or reviews are currently available. This study consolidates data from published sources, insect collections, and newly collected specimens to provide a comprehen‑ sive species list, supplemented with voucher specimen information. In total, nine species are confirmed to occur in Estonia, including two species, Ornithomya chloropus (Bergroth, 1901) and O. fringillina Curtis, 1836, recorded for the first time. Two species associated with livestock, Hippobosca equina Linnaeus, 1758 and Melophagus ovinus (Linnaeus, 1758), have been rarely encountered and are apparently nearing local extinction due to the increased use of effective insecticides and a decline in farming. Collection locality maps and habitus photographs from collected specimens are provided for all nine Estonian species.

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DOI: 10.15560/19.6.1029

Authors: Kaarel Sammet, Mylene R. Martinez, Kadri Tali, Indrek Melts

Abstract: The ground-dwelling arthropod fauna of Estonia has been unevenly studied, and there are significant gaps of knowledge regarding microarthropods. Our study focused on alvars and both coastal and wooded grasslands within the Natura 2000 network in Estonia. Forty-four previously unrecorded species were found, and the presence of two species in Estonia is confirmed. Seven species of Araneae, Talavera thorelli (Kulczyński, 1891), Micaria micans (Blackwall, 1858), Drassodes cupreus (Blackwall, 1834), Pardosa maisa Hippa & Mannila, 1982, Rugathodes instabilis (Pickard-Cambridge, 1871), Donacochara speciosa (Thorell, 1875), and Pocadicnemis juncea (Locket & Millidge, 1953), three species of Prostigmata, Cunaxa capreolus (Berlese, 1890), Scirula impressa Berlese, 1887, and Storchia robusta (Berlese, 1885), and two species of Mesostigmata, Alloparasitus pratensis (Huhta & Karg, 2010) and Urotrachytes formicaria (Lubbock, 1881), are recorded for the first time from the Baltic states. The records of Diachromus germanus (Linnaeus, 1758) and the invasive Mermessus trilobatus (Emerton, 1882) represent the northernmost occurrences in Europe.

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DOI: 10.15560/17.6.1509

Authors: Olavi Kurina, Ilmar Süda

Abstract: Mycetobia obscura Mamaev, 1968 and the subfamily Mycetobiinae (Diptera, Anisopodidae) are recorded from Estonia as well as from the Baltic States for the first time. The morphology and biology of the species is briefly discussed and detailed photographs of the general habitus of M. obscura and both the male and female terminalia are provided.

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DOI: 10.15560/13.4.349

Authors: Dāvis Ozoliņš, Jolanta Jēkabsone, Agnija Skuja, Henn Timm

Abstract: Eurylophella karelica is a rare and poorly investigated species of European Ephemeroptera from the family Ephemerellidae. From the 1930s to 1970s, E. karelica has not been reported from historical localities in Karelia, Lithuania and Poland. New localities from Hungary, Slovenia and Lithuania are discovered over the last 2 decades. This article reports first findings of E. karelica in Latvia and Estonia and explains sporadic distribution of this species.

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