Results 21 to 30 of about 11,796 (236)

Relation between plant water status and Macrosiphum euphorbiae (Hemiptera: Aphididae) population dynamics on three cultivars of tomato

open access: yesEuropean Journal of Entomology, 2013
Deficit irrigation scheduling is used to increase the efficiency with which water is used in many crops including tomato, however a water deficit is predicted to favour phloem feeding insects.
Anna R. RIVELLI   +4 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 degree of protection different ants (Hymenoptera: Formicidae) provide aphids (Hemiptera: Aphididae) against aphidophages

open access: yesEuropean Journal of Entomology, 2012
Aphids play an important role in the life of many ant species supplying them with energy-rich carbohydrate food and in exchange receiving some degree of protection from natural enemies.
Tatiana A. NOVGORODOVA   +1 more
doaj   +1 more source

Myzocallis walshii (Hemiptera: Sternorrhyncha: Aphididae), an exotic invasive aphid on Quercus rubra, the American red oak: Its bionomy in the Czech Republic

open access: yesEuropean Journal of Entomology, 2007
Myzocallis (Lineomyzocallis) walshii (Monell), a North American aphid species associated with Quercus rubra was detected for the first time in Europe in 1988 (France), and subsequently in several other countries - Switzerland, Spain, Andorra, Italy ...
Jan HAVELKA, Petr STARÝ
doaj   +1 more source

Catálogo de los áfidos (Hemiptera, Aphididae) de Chile, con plantas hospedadoras y distribuciones regional y provincial

open access: yesGraellsia, 2016
Se han revisado críticamente las citas en Chile de especies y subespecies de áfidos (Aphididae) contenidas en 139 contribuciones científicas. Se añaden citas de numerosas especies a partir de especímenes de las colecciones del Muséum national d’Histoire ...
Juan M. Nieto Nafría   +5 more
doaj   +1 more source

African Aphididae.—Part II. [PDF]

open access: yesBulletin of Entomological Research, 1915
The following notes and descriptions of African plant-lice are based mainly on part of the large collection I have received from Mr. F. C. Willcocks, made in Egypt since 1907 ; specimens from Mr. Gerald Bedford, collected in the Transvaal and the Cape ;and a small collection of spirit specimens without any colour notes sent to the ImperialBureau of ...
openaire   +4 more sources

Effects of diet on development and reproductive fitness of two predatory coccinellids (Coleoptera: Coccinellidae)

open access: yesEuropean Journal of Entomology, 2015
Studies of prey suitability are needed to develop efficient mass rearing programs for generalist predators and to understand their potential contribution to integrated pest management.
Mohammad A. MIRHOSSEINI   +2 more
doaj   +1 more source

Aphids (Hemiptera: Aphididae) on wheat

open access: yes, 2016
Biljne vaši (Hemiptera: Aphididae) se redovno javljaju na pšenici, u manjoj ili vecoj brojnosti, zavisno od godine. Direktne štete nanose isisavanjem biljnih sokova prouzrokujuci smanjenje prinosa i kvalitet zrna.
Jovičić, Ivana   +2 more
core   +2 more sources

Using the loess method to describe the effect of temperature on development rate

open access: yesPlant Protection Science, 2017
Temperature has a significant influence on development rates of insects and mites. Many parametric models were built to describe the temperature-dependent development rates.
Junhe Liu   +6 more
doaj   +1 more source

Influence of different species of aphid prey on the immature survival and development of four species of aphidophagous coccinellids (Coleoptera: Coccinellidae)

open access: yesEuropean Journal of Entomology, 2015
This study was on the effect of three species of aphids (Aphis fabae, Macrosiphoniella sanborni, Brevicoryne brassicae) on the survival, growth and development of the immature stages of the aphidophagous coccinellids Coccinella septempunctata ...
Dimitrios P. PAPACHRISTOS   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy