Results 31 to 40 of about 4,961 (208)

The Spatial Pattern of Aphis gossypii οn Cotton

open access: yesENTOMOLOGIA HELLENICA, 2017
The spatial distribution of Aphis gossypii (Glover) on cotton was studied by using Taylor’s power law, the negative binomial parameter k and the iδ-index of aggregation. Both k and iδ were related to density with curvilinear relationships and indicated that aggregation decreases as density increases up to densities of, approximately, two individuals ...
D. P. Lycouresis   +4 more
openaire   +3 more sources

Preference of two populations of Propylea quatuordecimpunctata (Coleoptera: Coccinellidae) for Aphis fabae and Aphis gossypii (Homoptera: Aphididae)

open access: yesEuropean Journal of Entomology, 2015
Prey preference of natural enemies is an important parameter used in studies on their efficiency. Feeding preferences of individuals from two populations of Propylea quatuordecimpunctata (L.) (Coleoptera: Coccinellidae) for the essential prey items ...
Maryam KESHAVARZ   +2 more
doaj   +1 more source

Why the aphid Aphis spiraecola is more abundant on clementine tree than Aphis gossypii?

open access: yesComptes Rendus. Biologies, 2013
Aphis spiraecola and Aphis gossypii cause harmful damages on clementine tree orchards. Weekly surveys measured the abundance of aphids (larvae, winged and wingless adults) as well as of auxiliary insects and parameters of energy metabolism. Correlatively, soluble carbohydrates, total free amino acids, free proline and condensed tannins were quantified ...
Mostefaoui, Houda   +4 more
openaire   +5 more sources

First record of larvae of Allograpta exotica Wiedemann (Diptera, Syrphidae) preying on Aphis gossypii Glover (Hemiptera, Aphididae) in watermelon in Brazil

open access: yesRevista Brasileira de Entomologia, 2011
First record of larvae of Allograpta exotica Wiedemann (Diptera, Syrphidae) preying on Aphis gossypii Glover (Hemiptera, Aphididae) in watermelon in Brazil. Brazil is one of the largest world producers of watermelon (Citrullus lanatus Thumb.
Vinícius Soares Sturza   +4 more
doaj   +2 more sources

Primeiro Registro de Afídeos (Hemiptera: Aphidoidea) em Carambola (Averrhoa carambola L.) no Brasil

open access: yesEntomoBrasilis, 2016
A carambola (Averrhoa carambola L.) árvore de origem Asiática foi introduzida no Brasil em 1817, desde então vem aumentando sua área de cultivo no país. A planta é atacada por poucos insetos como as moscas e percevejos. Este trabalho relata a presença de
Suzan Beatriz Zambon da Cunha   +1 more
doaj   +1 more source

Quantifying Imidacloprid Susceptibility in Populations of Aphis gossypii

open access: yes, 2020
Aphis gossypii Glover is a highly polyphagous pest that causes economic losses to many crops worldwide. Evolution of resistance to insecticides is a major concern when managing populations of A. gossypii, and resistance has been reported in numerous studies.
Mahas, John, Jacobson, Alana L.
openaire   +1 more source

Aphis gossypii Glover 1877

open access: yes
16. Aphis gossypii Glover, 1877 Host plants Amaranthus viridis (Amaranthaceae), Coriandrum sativum (Apiaceae), Colocasia antiquorum Schott (Araceae), Nerium indicum Mill. (Apocynaceae), Cryptostegia grandiflora Roxb. ex R.Br. (Asclepiadaceae), Ageratum conyzoides (L.) L., Calendula officinalis, Conyza canadensis, Cnicus wallichii Hook.f., Dendranthema ...
Hassan, Muhammad Asghar   +11 more
openaire   +3 more sources

Infeksi Cucumber mosaic virus dan Chilli veinal mottle virus pada Cabai di Kabupaten Rejang Lebong, Bengkulu

open access: yesJurnal Fitopatologi Indonesia, 2013
Mosaic disease caused by Cucumber mosaic virus (CMV) and Chilli veinal mottle Virus (ChiVMV) has been distributed widely in chilli in Indonesia and considered as important disease.
Mimi Sutrawati   +2 more
doaj   +1 more source

Molecular Characterization of the Aphis gossypii Olfactory Receptor Gene Families

open access: yesPLoS ONE, 2014
The cotton aphid, Aphis gossypii Glover, is a polyphagous pest that inflicts great damage to cotton yields worldwide. Antennal olfaction, which is extremely important for insect survival, mediates key behaviors such as host preference, mate choice, and oviposition site selection.
Depan Cao   +4 more
openaire   +5 more sources

Penularan Potyvirus Penyebab Penyakit Mosaik pada Tanaman Nilam melalui Vektor Aphis gossypii

open access: yesJurnal Fitopatologi Indonesia, 2013
Patchouli (Pogostemon cablin) is an economically important plant due to its capability to produce essential oil, i.e. patchouli oil. Pest and diseases may contribute to low production of patchouli oil in Indonesia.
Rita Noveriza   +3 more
doaj   +1 more source

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