Results 151 to 160 of about 1,218 (187)

Do Hyperparasitoids Disrupt the Biological Control of Pseudococcus longispinus in Persimmon?

Biological Control, 2023
The long-tailed mealybug, Pseudococcus longispinus, represents a threat for several crops worldwide and has become the main pest of Mediterranean persimmon. Parasitoids are the primary natural enemies of P. longispinus, but their efficacy is highly variable among crops and countries.
Maria A Gomez-Martinez, Francisco J. Beitia, Alejandro Tena   +2 more
exaly   +4 more sources

Hyperparasitoids Exploit Herbivore-Induced Plant Volatiles During Host Location to Assess Host Quality and Non-Host Identity [PDF]

Oecologia, 2019
Although consumers often rely on chemical information to optimize their foraging strategies, it is poorly understood how top carnivores above the third trophic level find resources in heterogeneous environments.
Marcel Dicke, Antonino Cusumano, Jeffrey Harvey   +2 more
exaly   +5 more sources

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Heteronomous Hyperparasitoids, Sex Ratios and Adaptations

Ecological Entomology, 1994
John S Donaldson, Gimme Walter
exaly   +5 more sources

The Effect of Obligate Hyperparasitoids on Biological Control: Differential Vulnerability of Primary Parasitoids to Hyperparasitism Can Mitigate Trophic Cascades [PDF]

Biological Control, 2013
Obligate hyperparasitoids are widely considered an important ecological disturbance to biological control of insect pests, as they develop at the expense of primary parasitoids.
Robert Nofemela
exaly   +2 more sources

Hyperparasitoids Exploit Plant Volatiles to Locate Their Parasitoid Host Despite Nonhost Herbivore Interference

Animal Behaviour
Hyperparasitoids are ubiquitous components of terrestrial food webs. They must find their inconspicuous parasitoid host in a complex environment to generate offspring, but their foraging behaviour is poorly understood. Herbivore -induced plant volatiles (
Antonino Cusumano, Maximilien A C Cuny, Erik H Poelman   +2 more
exaly   +2 more sources

Impact of Hyperparasitoids onCotesia Glomeratain Southwestern Virginia

Biological Control, 1999
Abstract This study was initiated to determine the impact of hyperparasitism on Cotesia glomerata (L.) (Hymenoptera: Braconidae), an established gregarious endoparasitoid of Pieris rapae (L.) (Lepidoptera: Pieridae). C. glomerata pupae were sampled in field crops of cabbage and broccoli to determine rates of hyperparasitization for each ...
L T Kok
exaly   +2 more sources

The Role of Honeydew in Host Searching of Aphid Hyperparasitoids

Journal of Chemical Ecology, 2004
Foraging in many insect parasitoids is mediated by chemicals associated with hosts. For example, honeydew, the feces of feeding aphids, induces and/or prolongs searching behavior of aphid parasitoids. In the laboratory, we tested if aphid hyperparasitoids, which belong to a higher trophic level, also rely on aphid honeydew to locate their hosts.
R, Buitenhuis, J N, McNeil, G, Boivin, J, Brodeuri   +3 more
openaire   +2 more sources

Eleven Host Specificity and Trophic Relationships of Hyperparasitoids

2000
Jacques Brodeur
exaly   +2 more sources

Chapter Eight. Competing Predators and Hyperparasitoids

2020
exaly   +2 more sources

Tetrastichine aphid hyperparasitoids (Hymenoptera: Eulophidae) in Japan

Entomological Science, 2011
AbstractA small collection of aphid hyperparasitic species of Tetrastichinae obtained by rearing mummified aphids in Japan were examined. In addition to the two already known species, three more species were confirmed to occur in Japan. A key to these five Japanese species and their hosts (primary parasitoids, aphids and plants) are provided. The modes
Hajimu TAKADA, Kazuaki KAMIJO
openaire   +1 more source