Female accessory gland fluid promotes sperm survival in yellow dung flies

Subjects: “…Entomology…”
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Mitrapsylla rupestris sp. nov., a psyllid (Hemiptera, Psylloidea) associated with Poiretia bahiana (Fabaceae) endemic to the Espinhaço mountain range (Brazil, Bahía)

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An updated checklist of the Cantharidae and Lycidae of Switzerland (Coleoptera, Elateroidea)

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Energetic underpinnings of yellow dung fly mating success in the field

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Rediscovery of Stactobia eatoniella McLachlan, 1880 (Trichoptera, Hydroptilidae) in Switzerland after more than seventy years

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Unraveling a complex problem: Dichrorampha velata sp. nov., a new species from the Alps hitherto confounded with D. alpestrana ([Zeller], 1843) sp. rev. = D. montanana (Duponchel,...

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A fungal parasite selects against body size but not fluctuating asymmetry in Swiss subalpine yellow dung flies

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First observation of an ant colony of Formica fuscocinerea Forel, 1874 invaded by the social parasite F. truncorum Fabricius, 1804 (Hymenoptera, Formicidae)

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Two males, one female: triplet-style mating behaviour in the Darwin wasp Xorides ater (Gravenhorst, 1829) (Hymenoptera, Ichneumonidae, Xoridinae) in the Swiss Alps

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Hypera temperei Hoffmann, 1958 – first discovery of the western alpine element in the Swiss Alps with biological details, and new morphological insights (Coleoptera, Curculionidae)

Subjects: “…Entomology…”
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First report of Cooka incisa (Beekey, 1937) from Europe (Diptera, Scatopsidae)

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In Memoriam Professor Willi Sauter (25. Juli 1928 – 3. September 2020)

Subjects: “…Entomology…”
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Protokoll der Jahresversammlung der Schweizerischen Entomologischen Gesellschaft vom 6. und 7. März am Naturhistorischen Museum Basel

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Tracking the spread of the northern bark beetle (Ips duplicatus [Sahlb.]) in Europe and first records from Switzerland and Liechtenstein

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Two new species of Liodessus Guignot, 1939 diving beetles from Northern Peru (Coleoptera, Dytiscidae, Hydroporinae)

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Unique nesting biology of Osmia ( Melanosmia) uncinata, a Palaearctic osmiine bee specialized on thick-barked conifers (Hymenoptera, Megachilidae)

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First record of Erasmoneura vulnerata Fitch, 1851 (Hemiptera, Cicadellidae, Typhlocybinae) in Switzerland

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Owlflies from Jordan (Neuroptera, Ascalaphidae)

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A new species of Cincticostella (Ephemeroptera, Ephemerellidae) from China

Subjects: “…Entomology…”
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Rétablissement des communautés de libellules (Odonata) dans les tourbières du Jura neuchâtelois (Suisse)

Subjects: “…Entomology…”
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