Results 21 to 30 of about 4,440,446 (253)

Evaluation of Wild Flora Surrounding Blueberry Fields as Viable Hosts of Drosophila suzukii (Matsumura, 1931) (Diptera: Drosophilidae) in Georgia

open access: yesInsects, 2021
Drosophila suzukii, an economically important pest of small and thin-skinned fruits, has caused annual crop losses up to 20% in the state of Georgia’s multimillion-dollar blueberry industry. The known host range of D. suzukii is large, yet the breadth of
Joshua A. Grant, Ashfaq A. Sial
doaj   +1 more source

Host specificity and genetics of host resistance in the "Daphnia-Pasteuria" host-parasite system [PDF]

open access: yes, 2012
Antagonistic coevolution plays an important role in a large number of evolutionary and ecological phenomena. Furthermore, according to the Red Queen Theory coevolution between hosts and their parasites may explain the maintenance of sexual reproduction ...
Luijckx, Pepijn
core   +1 more source

Leaf Consumption and Preference to Conyza sp., Conventional and Bt Soybean by Helicoverpa armigera [PDF]

open access: yesPlanta Daninha, 2019
: Helicoverpa armigera caterpillars are polyphagous and exhibit high migratory potential. Given the traits of this pest, alternative hosts located in or near the crop stand may support the survival and permanence of H. armigera in the field.
L. CUTTI   +5 more
doaj   +1 more source

Temperatura no desenvolvimento e na reprodução de cochonilhas criadas sobre abóboras Temperature in the development and reproduction of scales reared on squash

open access: yesCiência Rural, 2008
O desenvolvimento de insetos é dependente da temperatura. Nesta pesquisa, foi verificada a influência da temperatura no desenvolvimento e na reprodução de Chrysomphalus aonidum (L.) em câmaras climatizadas com UR do ar 70±10%, fotofase de 12h e ...
Lília de Lima Andrade   +2 more
doaj   +1 more source

Evolutionary and proximate mechanisms shaping host-parasite interactions : the case of "Daphnia magna" and its natural bacterial parasite "Pasteuria ramosa" [PDF]

open access: yes, 2011
Host-parasite interactions are composed of a sequence of steps, all necessary for successful infection: parasites need to encounter their hosts, to enter into their bodies, and to proliferate within them. Selection will act on the mechanisms used in each
Duneau, David
core   +1 more source

A Host-Vector System for the Expression of a Thermostable Bacterial Lipase in a Locally Isolated Meyerozyma guilliermondii SMB

open access: yesMicroorganisms, 2020
Screening for a new yeast as an alternative host is expected to solve the limitations in the present yeast expression system. A yeast sample which was isolated from the traditional food starter ‘ragi’ from Malaysia was identified to contain Meyerozyma ...
Abu Bakar Salleh   +5 more
doaj   +1 more source

Heterogeneity of inflammation and host metabolism in a typhoid fever model [PDF]

open access: yes, 2012
Systemic infections can lead to severe inflammation and altered host metabolism. These host responses are being extensively studied, but their spatial relationships in infected tissues remain largely unknown. The goal of this thesis was to investigate
Schemmer, Anne Kathrin
core   +1 more source

Overwintered Drosophila suzukii Are the Main Source for Infestations of the First Fruit Crops of the Season

open access: yesInsects, 2018
The mechanisms allowing the widespread invasive pest Drosophila suzukii to survive from early spring until the availability of the first fruit crops are still unclear. Seasonal biology and population dynamics of D.
Aurore D. C. Panel   +6 more
doaj   +1 more source

Host choice and host leaving in Rhopalosiphum padi (Hemiptera: Aphididae) emigrants and repellency of aphid colonies on the winter host [PDF]

open access: yes, 2000
Host choice and winter-host leaving in emigrants of bird cherry–oat aphid, Rhopalosiphum padi (Linnaeus), were investigated in the laboratory. In settling choice tests, emigrants collected from the winter host, Prunus padus, preferred this plant over ...
Glinwood, Robert, Petersson, J.
core   +1 more source

The density of females of Palmistichus elaeisis Delvare and LaSalle (Hymenoptera: Eulophidae) affects their reproductive performance on pupae of Bombyx mori L. (Lepidoptera: Bombycidae)

open access: yesAnais da Academia Brasileira de Ciências, 2010
Palmistichus elaeisis Delvare and LaSalle (Hymenoptera: Eulophidae) is a gregarious and polyphagous parasitoid mainly of Lepidoptera pupae. The objective of this paper as to study the developent of parasitoid on Bombyx mori L.
Fabricio F. Pereira   +5 more
doaj   +1 more source

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