Results 41 to 50 of about 438 (163)

The effect of the quality and size of host aphid species on the biological characteristics of Aphidius colemani (Hymenoptera: Braconidae: Aphidiinae)

open access: yesEuropean Journal of Entomology, 2008
A suitable host provides, at least, the minimum nutritional and physiological conditions for the development of the immature stages of a parasitoid. Host quality may influence the developmental time, mortality rate, longevity and fecundity of parasitoids.
Marcus Vinicius SAMPAIO   +2 more
doaj   +1 more source

The influence of genetic variation on pre‐oviposition processes for host‐parasitoid co‐evolution

open access: yesEcological Entomology, Volume 50, Issue 1, Page 1-16, February 2025.
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

Evolving perspectives in Hymenoptera systematics: Bridging fossils and genomes across time

open access: yesSystematic Entomology, Volume 50, Issue 1, Page 1-31, January 2025.
Advances in sequencing and phylogenomic methods reveal unresolved deep phylogenetic nodes with variable age estimates in Hymenoptera, including, for example, Eusymphyta and Proctotrupomorpha. Conflicting morphological and molecular data hinder consensus in Hymenoptera systematics.
Y. Miles Zhang   +2 more
wiley   +1 more source

Longevity of hymenopteran parasitoids in natural versus agricultural habitats and implications for biological control

open access: yesEcological Applications, Volume 34, Issue 6, September 2024.
Abstract Agricultural habitats are frequently disturbed, and disturbances could have major effects on species in upper trophic levels such as hymenopteran parasitoids that are important for biological control. A strategy for conservation biological control is to provide a diversified agricultural landscape which increases the availability of resources ...
Miriam Kishinevsky, Anthony R. Ives
wiley   +1 more source

Host plants and aphid hosts influence the selection behaviour of three aphid parasitoids (Hymenoptera: Braconidae: Aphidiinae)

open access: yesEuropean Journal of Entomology, 2016
Aphis fabae and Myzus persicae (Hemiptera: Aphididae) are insect pests that damage sugar beet and bean crops. Both are responsible for losses in yield and transmission of viral diseases, and may be present on the same host at the same time.
Loulou ALBITTAR   +3 more
doaj   +1 more source

Parasitoid species diversity has no effect on protective symbiont diversity in experimental host‐parasitoid populations

open access: yesEcology and Evolution, Volume 14, Issue 3, March 2024.
Parasites play a crucial role in driving and maintaining the diversity of immune systems. Here we tested whether the diversity or parasites selects for the diversity of protective symbionts using an experimental evolution approach. Surprisingly, we found little selection for protective symbionts and little evidence for the diversifying effect of ...
Nina Hafer‐Hahmann   +1 more
wiley   +1 more source

Host-instar selection in the aphid parasitoid Monoctonus paulensis (Hymenoptera: Braconidae, Aphidiinae): a preference for small pea aphids

open access: yesEuropean Journal of Entomology, 2000
Monoctonus paulensis is a solitary parasitoid of several species of aphids, including the pea aphid, Acyrthosiphon pisum. We evaluated host-instar selection by comparing the parasitoid's preference for the four nymphal instars of the pea aphid, presented
Amanda CHAU, Manfred MACKAUER
doaj   +1 more source

Trophic impacts of a rolled‐rye cover crop on the lettuce aphid (Nasonovia ribisnigri) and associated insect fauna in cultivated Histosols

open access: yesEntomologia Experimentalis et Applicata, Volume 172, Issue 3, Page 215-228, March 2024.
The lettuce aphid, Nasonovia ribisnigri (Hemiptera: Aphididae), is a major pest of lettuce (Lactuca sativa, Asteraceae). In this study, we evaluated the impact of rye mulch (Secale cereale, Poaceae) on N. ribisnigri, its natural enemies, and alternative prey in organic soil. Our results showed that rye mulch has the potential to inhibit colonization by
Jules Dumotier   +2 more
wiley   +1 more source

Checklist of Aphidiinae parasitoids (Hymenoptera: Braconidae) and their host aphid associations in Iran

open access: yesJournal of Crop Protection, 2014
Fauna of the Aphidiinae (Hymenoptera: Braconidae) of Iran is reviewed and the data on their host aphid associations are summarized. Seventy-eight species belonging to 17 genera of Aphidiinae are listed in the associations with 193 aphid species.
Hossein Barahoei   +6 more
doaj  

Biodiversity of predators and parasitoids of greenideine aphids (Insecta: Hemiptera: Aphididae: Greenideinae) and their host plant associations in India

open access: yesJournal of Fauna Biodiversity
The present article lists the predators and parasitoids of the Greenideinae aphids (Insecta: Hemiptera: Aphididae: Greenideinae) infesting different food plants and their distribution in various states and union territories of India.
Rajendra Singh
doaj   +1 more source

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