Juho Paukkunen

Juho Paukkunen
University of Helsinki | HY · Finnish Museum of Natural History

Doctor of Philosophy

About

131
Publications
30,623
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Introduction
Juho Paukkunen currently works at the Finnish Museum of Natural History, University of Helsinki. Juho does research in taxonomy and ecology of Hymenoptera.
Additional affiliations
January 2009 - January 2016
University of Helsinki
Position
  • Senior Museum Technician

Publications

Publications (131)
Article
Full-text available
Pollinators play a crucial role in ecosystems globally, ensuring the seed production of most flowering plants. They are threatened by global changes and knowledge of their distribution at the national and continental levels is needed to implement efficient conservation actions, but this knowledge is still fragmented and/or difficult to access. As a...
Article
Full-text available
Bees constitute a key taxon of grassland ecosystems and are the main providers of the essential Ecosystem Service of pollination. We studied bee assemblages of 17 grassland sites in Helsinki, Finland. Bees were sampled using coloured pan traps. The total catch comprised 353 individuals of 35 species. The most abundant species were Lasioglossum leuc...
Article
A new pompilid wasp, Ceropales pallida sp. nov., is described, illustrated and distinguished from its close relative Ceropales maculata. The new species is supported by evidence from morphological characters as well as DNA barcoding. The type specimens were collected at several localities in southern Norway, Sweden and Finland.
Article
Johansson, N., Paukkunen, J. & Hellqvist, S.: Passaloecus taigaensis sp. nov., a northern sibling of Passaloecus insignis (Vander Linden, 1829). [Passaloecus taigaensis sp. nov., en nordlig systerart till Passaloecus insignis (Vander Linden, 1829).] – Entomologisk Tidskrift 142 (4): 233–244. Björnlunda, Sweden 2021. ISSN 0013-886x A new species of...
Article
Full-text available
To associate specimens identified by molecular characters to other biological knowledge, we need reference sequences annotated by Linnaean taxonomy. In this paper, we 1) report the creation of a comprehensive reference library of DNA barcodes for the arthropods of an entire country (Finland), 2) publish this library, and 3) deliver a new identifica...
Preprint
Full-text available
To associate specimens identified by molecular characters to other biological knowledge, we need reference sequences annotated by Linnaean taxonomy. In this paper, we 1) report the creation of a comprehensive reference library of DNA barcodes for the arthropods of an entire country (Finland), 2) publish this library, and 3) deliver a new identifica...
Article
Cuckoo wasps of the Chrysis ignita species group are difficult to identify at the species level, and the taxonomic status of various taxa has consequently been controversial. COI barcoding has helped clarify some of the taxonomic problems in this group, but also revealed cryptic diversity at the genetic level that remained difficult to interpret ta...
Article
Full-text available
Ten species of Hymenoptera Symphyta and Aculeata are recorded new to the Finnish fauna: the sawflies Dolerus anthracinus (Klug, 1818), Hinatara recta (Thomson, 1871), Hoplocampa minuta (Christ, 1791) and Macrophya ribis (Schrank, 1781), the flat wasps Goniozus claripennis (Förster, 1851), Laelius fumimarginalis Vikberg, 2005 and Plastanoxus chitten...
Article
Full-text available
Among Aculeata, only bumblebees (Bombus spp.) have long been popular targets of entomological research in the Russian Arctic, whereas the information on wasps, ants and solitary bees from this region is scarce. Sampling in the surroundings of Naryan-Mar in the years 2013, 2015 and 2019 yielded 39 species of Aculeata, among which 27 species are for...
Chapter
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Summary in English is found on the last page.
Article
Full-text available
Insect pollinators are a key component of biodiversity; they also play a major role in the reproduction of many species of wild plants and crops. It is widely acknowledged that insect pollinators are threatened by many environmental pressures, mostly of anthropogenic nature. Their decline is a global phenomenon. A better understanding of their dist...
Article
Full-text available
Insect pollinators are a key component of biodiversity; they also play a major role in the reproduction of many species of wild plants and crops. It is widely acknowledged that insect pollinators are threatened by many environmental pressures, mostly of anthropogenic nature. Their decline is a global phenomenon. A better understanding of their dist...
Article
Full-text available
Pseudogonalos hahnii is the only known species of Trigonalidae in Europe. It is a hyperparasitoid of lepidopteran larvae via ichneumonid primary parasitoids. Possibly, it has also been reared from a symphytan larva. We report the species for the first time from Estonia, Lithuania and Russian Fennoscandia, and list all known observations from Finlan...
Article
Full-text available
The digger wasp Ectemnius spinipes is reported as new to Finland on the basis of 13 males and 13 females collected in 2012–2015 from Lappeenranta and Parikkala, south-eastern Finland. The specimens were caught mainly by window traps from dead trunks of aspen (Populus tremula), birch (Betula) and great sallow (Salix caprea), which probably contained...
Article
Full-text available
Bumblebees in Europe have been in steady decline since the 1900s. This decline is expected to continue with climate change as the main driver. However, at the local scale, land use and land cover (LULC) change strongly affects the occurrence of bumblebees. At present, LULC change is rarely included in models of future distributions of species. This...
Article
Kleptoparasitic and parasitoid insects are expected to be particularly sensitive to changes in habitat availability due to their high trophic position and small population sizes compared with their hosts, but there are only few quantitative studies on their population changes. Here, we studied the distribution and abundance of 48 kleptoparasitic an...
Article
Full-text available
The mason bee Osmia disjuncta Tkalců, 1995 is reported from the Western Palaearctic for the first time. A single female was discovered during fieldwork in northern Sweden and three additional females were detected in material collected from Finland and Russia. A diagnosis, redescription and ecological notes are provided for the species. Slight morp...
Article
Full-text available
Helsinkio entomologų draugijos (Societas Entomologica Helsingforsiensis) ekskursijos, vykusios 2016 metų rugpjūčio 1–4 d.d. į Lietuvai priklausančią Kuršių nerijos dalį, metu aptikta 192 Coleoptera, 42 Hemiptera, 82 Hymenoptera, 89 Lepidoptera, 5 Orthoptera ir 1 Strepsiptera vabzdžių rūšis. Jų tarpe rastos Lietuvai naujos Ceutorhynchus canaliculatu...
Article
Full-text available
The Chrysididae are a group of cleptoparasitic and parasitoid aculeate wasps with a large number of rare and endangered species. The taxonomy of this group has long been confusing due to the similarity of species and extensive intraspecific variation. We present for the first time a comprehensive dichotomous key for all 74 species found in the Nord...