Results 71 to 80 of about 647 (164)
Abstract The presence of predators can induce non‐consumptive effects on prey that result in subsequent changes to prey behaviour and defence. We investigate the interaction between top‐down non‐consumptive effects of various stages of the predator Coccinella septempunctata L.(Coleoptera: Coccinellidae) (larvae and adult) and bottom‐up effects of host ...
Sharavari Kulkarni, Maya Evenden
wiley +1 more source
Fine structure of the external sheaths of the ovipositor of Aphidius ervi (Hymenoptera: Braconidae)
The function and structure of the ovipositor in Hymenoptera have been studied intensively, although there is a lack of information on the external sheaths.
Sara RUSCHIONI +4 more
doaj +1 more source
Physical and chemical cues influencing the oviposition behaviour of Aphidius ervi
AbstractThe oviposition behaviour of the aphid parasitoid Aphidius ervi Haliday is influenced by both chemical and physical cues. Oviposition attack responses were elicited by paint pigments sealed into the tip of a glass capillary tube. Parasitoids reacted to yellow pigments with repeated oviposition attack responses, but they did not react to green ...
D. Battaglia +5 more
openaire +2 more sources
Floral nectar is a sugar‐rich resource which is essential for covering the energetic and nutritional requirements of adult parasitoids. Recent research has shown that floral nectar is ubiquitously colonized by microbes, however how nectar‐inhabiting microbes affect parasitoid performance is poorly investigated.
Evgenia Sarakatsani +10 more
wiley +1 more source
Facultative endosymbionts of aphids on strawberry crops affect aphid-parasitoid interactions
Aphids are major agricultural pests and laboratory studies have shown that heritable bacterial endosymbionts can protect aphids against biocontrol parasitoids, but results from agricultural crop systems are lacking. Here we assess (1) which aphid species
S. Helena Donner +6 more
doaj +1 more source
Published as part of Kavallieratos, Nickolas G., 2017, Identification key, diversity and host associations of parasitoids (Hymenoptera: Braconidae: Aphidiinae) of aphids attacking cereal crops in Egypt, pp.
openaire +2 more sources
Tiny but mighty? Overview of a decade of research on nectar bacteria
Summary An emerging focus of research at the intersection of botany, zoology, and microbiology is the study of floral nectar as a microbial habitat, referred to as the nectar microbiome, which can alter plant–pollinator interactions. Studies on these microbial communities have primarily focused on yeasts, and it was only about a decade ago that ...
Sergio Quevedo‐Caraballo +4 more
wiley +1 more source
The influence of genetic variation on pre‐oviposition processes for host‐parasitoid co‐evolution
Co‐evolution between aphid hosts and their parasitoids has been associated with adaptative pressures linked with aphid physiological resistance (related to aphid and their endosymbionts' genetic variation) and parasitoid virulence. The aphid‐parasitoid interaction is composed of multiple previous stages before parasitoid oviposition that has been ...
Laura Marcela Martinez‐Chavez +4 more
wiley +1 more source
Parasitic wasp responses to symbiont-based defense in aphids
Background Recent findings indicate that several insect lineages receive protection against particular natural enemies through infection with heritable symbionts, but little is yet known about whether enemies are able to discriminate and respond to ...
Oliver Kerry M +5 more
doaj +1 more source
A survey of aphid natural enemies was carried out on two crops fava bean (Vicia faba) and potato (Solanum tuberosum) in the Iferhounène region (Tizi Ouzou, Algeria) between November 2022 and March 2023.
Nabila Taleb +2 more
doaj +1 more source

