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| http://dx.doi.org/10.1258/jrsm.2012.120201 | DOI Listing |
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Similar host instar preferences by three sympatric parasitoids of (Coleoptera: Coccinellidae): potential host niche overlapping.
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Insect-Plant Interaction Laboratory, Department of Entomology, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung City, Taiwan.
Parasitoids employ diverse oviposition strategies to enhance offspring survival and maximise fitness gains from hosts. Ladybird parasitoids, significant natural enemies of ladybirds, have the potential to disrupt biocontrol efforts, yet their biology and ecology remain poorly understood. This study investigated the host-parasitoid interaction among three sympatric larval endoparasitoids of (Coleoptera: Coccinellidae): (Hymenoptera: Encyrtidae), (Hymenoptera: Proctotrupidae) and (Hymenoptera: Eulophidae).
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Departamento de Agronomia - Entomologia, Universidade Federal Rural de Pernambuco, Rua Dom Manoel de Medeiros, s/n, Dois Irmãos 52171-900, Recife, PE, Brazil.
Global warming has driven changes in the biology and fitness of organisms that need to adapt to temperatures outside of their optimal range to survive. This study investigated aspects of reproduction and survival of the lady beetle (Mulsant) (Coleoptera: Coccinellidae) subjected to temperatures that varied from its optimal (28°C) to a gradual decrease (12, 14, 16, and 18°C) and increase (32, 34, 35, and 36°C) over time at a rate of 1°C/day. Fertility, fecundity, oviposition period, and survival were determined.
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Environ Sci Pollut Res Int
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University Lyon 1, Laboratory of Biometry and Evolutionary Biology - UMR CNRS5558, 43 boulevard du 11 novembre 1918, Villeurbanne Cedex, 69622, France.
"A Who's Who of pesticides is therefore of concern to us all. If we are going to live so intimately with these chemicals eating and drinking them, taking them into the very marrow of our bones - we had better know something about their nature and their power."-Rachel Carson, Silent Spring.
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School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China.
The increasingly complex electromagnetic environment of modern warfare and the proliferation of intelligent jamming threaten to reduce the survival rate of radio fuzes on the battlefield. Radio frequency (RF) stealth technology can fundamentally improve the anti-interception and reconnaissance capabilities of radio fuzes, thereby lessening the probability of them being intercepted, recognized, and jammed by the enemy. In this paper, an RF stealth waveform based on chaotic pulse-position modulation is proposed for ultra-wideband (UWB) radio fuzes.
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Institute of Plant Protection, Chinease Academy of Agricultural Sciences, Beijing 100193, China.
Understanding the most effective host switch patterns in parasitic wasps, specifically (AB), is crucial for effectively controlling pests like (PSS). This study aims to elucidate AB's ideal host switch pattern and assess its utility in maintaining synchronization between AB and PSS, thereby aiding in PSS control. We examined various host switch patterns and cycles to evaluate their impact on AB's offspring's parasitism rates and fitness in laboratory conditions.
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