Zomerexcursie 2 augustus 2026: Oostvaardersplassen | Hymenoptera

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Special Issue: Proceedings of the 8th International Entomophagous Insects Conference (IEIC8): Entomologia Experimentalis et Applicata: Vol 174, No 8

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Clogmia albipunctata Larvae Influence the Odour Dynamics of Rotting Organic Matter

Drain flies live in organic waste. We investigated how drain fly larvae influence the unpleasant smells produced by sewage sludge and rotting nettle. Although the perception of these smells did not c...

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Ecosystem Services Against Illegal Immigration: The Natural Control of the Migratory Butterfly Painted Lady (Vanessa cardui) by Cotesia vestalis (Hymenoptera, Braconidae) on Organic Soybean in Ukraine

In central Ukraine, the migratory butterfly Vanessa cardui emerged as a key pest of organic soybean during its outbreaks in 2019 and 2022. Despite early defoliation, crops recovered strongly due to h...

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Beauveria Bassiana Triggers Soybean Systemic Resistance and Causes Sublethal Effects in Spodoptera frugiperda

The interaction of soybean plant and the endophytic microorganism Beauveria bassiana was evaluated by inoculating a single trifoliate leaf. The effects of this inoculation on the herbivory, larval development, and life traits of Spodoptera frugiperda were measured. Furthermore, plant defense responses were assessed at 5, 15, and 30 days post-inoculation, focusing on key phytohormones involved in plant defense signaling.

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Orchard Management Influences Predation of Halyomorpha halys Eggs

We investigated predation of eggs of the invasive stink bug Halyomorpha halys on apple trees in conventional, organic, and extensively managed Dutch orchards. Predation exceeded 40% in extensively managed orchards but was only about 10% in conventional and organic ones. We used camera traps to reveal natural enemies that may contribute to H. halys egg predation. Our results highlight that orchard management practices influence conservation biological control.

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Spectral Characterization of the Life Stages and Physiological Responses of Diatraea saccharalis Fabricius (Lepidoptera: Crambidae) Larvae Parasitized by Cotesia flavipes Cameron (Hymenoptera: Braconidae)

Hyperspectral proximal sensing was used to characterize the life stages and physiological responses of Diatraea saccharalis and to detect parasitism by Cotesia flavipes. Distinct spectral signatures differentiated eggs, larval instars, pupae, and adults, as well as live, dead, and parasitized larvae. Multivariate analyses (PCA) clearly separated developmental stages and physiological conditions, demonstrating the potential of hyperspectral reflectance as a rapid, non-destructive tool for insect phenotyping and biological control monitoring.

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Labidura riparia and Pheropsophus nigricollis Responses to Volatile Organic Compounds: Implications for Predator Attraction and Pest Management

Volatile organic compounds (VOCs) from flowering cotton were identified by GC–MS and evaluated for their ability to attract dominant ground-dwelling predators. Field bioassays revealed that n-tetradecane strongly attracted both Labidura riparia and Pheropsophus nigricollis, outperforming terpenoid and benzenoid volatiles. β-caryophyllene and methyl salicylate selectively attracted earwigs, while α-pinene and D-limonene elicited moderate responses in bombardier beetles. These results demonstrate species-specific and broad-spectrum semiochemical cues with potential application in cotton IPM.

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Langsteelgraafwespen determineren makkelijker gemaakt met nieuwe soortzoeker

Door nieuwkomers en lastige determinatiekenmerken was het hoog tijd voor een nieuwe determinatiesleutel voor langsteelgraafwespen. In de soortzoeker Langsteelgraafwespen van Nederland zijn alle tot nu toe aangetroffen soorten opgenomen en is het mogelijk om ook die moeilijke rupsendoders en aardrupsendoders in het veld en van foto’s te determineren.

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Evaluation of counterattack efficiency against predators in Schizotetranychus brevisetosus using small glass beads and phytoseiid eggs

The web-nesting spider mite Schizotetranychus brevisetosus Ehara attacks predators outside the nest, but the effectiveness of this behaviour is unknown. Spreading predator-mimicking glass beads over ...

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How Do Group Size and Social Context Affect Per‐Capita Behavioral Responses in a Nasute Termite?

Group living is often assumed to increase individual behavioral activity in eusocial insects through social facilitation. Using controlled bioassays with the termite Nasutitermes corniger, we show th...

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Weed Management Reduces the Incidence of Apolygus lucorum in Tea Gardens

This study investigated the effects of weeds on Apolygus lucorum in tea gardens using field surveys and dietary DNA barcoding. Results demonstrated that weeds significantly increased A. lucorum abund...

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Resource Availability Overrides Predator Presence in Mosquito Oviposition Habitat Selection

Gravid Culex quinquefasciatus balance predation risk against resource availability when selecting oviposition sites. In outdoor mesocosms, we factorially manipulated sugarcane jaggery (resource) and ...

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Insect Lectins, the Decipherers of Sugar Code: Evolving Trends and Future Prospects

Lectins are proteins that specifically recognize and interact with glycans non-covalently. Besides their crucial role in insect immunity, lectins are at the pinnacle of research owing to their prospe...

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Nature Today | De grote rietsigaargalvlieg is Insect van het Jaar 2026

De grote rietsigaargalvlieg heeft de titel Insect van het Jaar 2026 in de wacht gesleept. Vanochtend maakte insectendeskundige Aglaia Bouma dit bekend tijdens een live-uitzending van Vroege Vogels. Po...

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Exploiting Chemical Ecology: Innovative and Eco‐Friendly Management Methods for Brinjal Shoot and Fruit Borer, Leucinodes orbonalis Guenee (Lepidoptera: Crambidae) in Brinjal

Slow-release pheromone dispensers enable the ecological control of Leucinodes orbonalis through monitoring, mass trapping, and mating disruption, thereby minimizing crop damage.

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Home - Insect van het Jaar

Kandidaten 2026 De minimalistische vuurzwamveervleugelkever De bescheiden boerenwormkruidbladrandluis De dubbeldragende zandoorworm De faciliterende grote rietsigaargalvlieg De vasthoudende hertenluis...

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Oranje boven!

De komende dagen wordt het warm en zonnig weer en dan zullen veel vlinders weer actief worden. Als je naar buiten gaat, kun je onder andere genieten van citroenvlinders, dagpauwogen en gehakkelde aurelia’s. Ook heb je nu de beste kans voor het zien van een oranjetipje – een echte voorjaarsvlinder, die alleen nu en de komende weken te zien is.

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The Role of Insects in Future Medicine: Diagnostic and Therapeutic Potential of Insect‐Derived Biomolecules and Microbiota

Insects are emerging as powerful allies in medicine, offering novel solutions for diagnostics and therapeutics. Their olfactory systems enable highly sensitive, non-invasive disease detection,…

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