Results 71 to 80 of about 6,035 (199)

Honeydew production and honeydew sugar composition of polyphagous black bean aphid, Aphis fabae (Hemiptera: Aphididae) on various host plants and implications for ant-attendance

open access: yesEuropean Journal of Entomology, 2005
The black bean aphid, Aphis fabae, is polyphagous and its life cycle involves seasonal migration between summer and winter host plants. The aphids are regularly tended by honeydew-collecting ants.
Melanie K. FISCHER   +2 more
doaj   +1 more source

Female-induced increase of host-plant volatiles enhance specific attraction of aphid male Dysaphis plantaginea (Homoptera: Aphididae) to the sex pheromone [PDF]

open access: yes, 2009
All aphid species studied so far share the same sex pheromone components, nepetalactol and nepetalactone. Variation by different enantiomers and blends of the two components released by different aphid species are limited and can only partially explain ...
Griepink, F.C.   +3 more
core   +2 more sources

Report of a thelytokous population of Lysiphlebus fabarum (Hym.: Aphidiidae) from Iran [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2011
به منظور جمع‌آوری و شناسایی پارازیتوئیدهای شته‌ی سیاه باقلا، Scopoli Aphis fabae، از مزارع باقلای منطقه‌ی چورزق زنجان در اواسط خرداد‌ماه 1386 نمونه‌برداری به عمل آمد.
H. Allahyari   +4 more
doaj  

Potencialidades biológicas dos coccinelídeos afidífagos utilizados em luta integrada [PDF]

open access: yes, 1980
Nos últimos anos, tem vindo a ser dada a maior importância aos estudos dos efeitos secundários dos pesticidas aplicados em agricultura. Empregados com um fim imediato - a eliminação das pragas nocivas as culturas - a verdade é que, para além dos ...
Furtado, Maria R., Garcia, Vasco
core  

Aspectos beneficiosos del cultivo asociado maíz (Zea mays)/judía (Phaseolus vulgaris) en la lucha contra plagas [PDF]

open access: yes, 2010
Se realizó un ensayo durante la campaña 2004 con el objeto de comparar dos sistemas de cultivo en judía: asociado a maíz y monocultivo tutorado con varilla de tetracero. Los resultados obtenidos en el recuento de colonias de Aphis (A.) fabae muestran una
Feito, Isabel   +2 more
core  

LOW TEMPERATURE THRESHOLDS FOR FLIGHT IN APHIS FABAE SCOP.

open access: yesEntomologia Experimentalis et Applicata, 1961
The temperature thresholds for wing‐beating and successful flight in alienicolae of Aphis fabae were found by flying tethered aphids in a falling temperature and by dropping free aphids in still air at different temperatures. The median temperature thresholds for wingbeating, horizontal and upward flight were 6.5°, 13° and 15° C respectively ...
openaire   +1 more source

Feeding behavior of predatory bug Nabis ferus (Heteroptera: Nabidae) toward aphids

open access: yesВестник защиты растений
This study investigated the feeding behavior of the generalist predator Nabis ferus (Heteroptera: Nabidae) toward various Aphididae species as prey in a laboratory setting. Data were obtained on the predatory behavior of N. ferus, including a ranking of
Е. И. Шаталова
doaj   +1 more source

Laboratory and field evaluation of certain wild plant extracts against Aphis fabae Scop. (Homoptera: Aphididae) and its predators

open access: yesBulletin of the National Research Centre, 2019
Background Broad bean (Vicia faba L.) is considered one of the most essential food crops in Egypt. Aphis fabae Scop. (Homoptera: Aphididae) causes a considerable damage to bean plants as well as to other leguminous crops.
Ragab Shaker Abdel-Rahman   +4 more
doaj   +1 more source

Erfahrung mit der Anwendung von NeemAzal®-T/S im Gemüsebau [PDF]

open access: yes, 2003
Die ersten Versuche mit dem standardisierten, azadirachtinhaltigen Produkt NeemAzal-T/S wurden 1994 unternommen und seitdem weltweit gegen mehr als 120 Schädlingsarten (davon aus: Acari - 5, Coleoptera – 22, Diptera – 13, Heteroptera – 3, Hymenoptera - 2,
Hummel, Edmund, Kleeberg, Hubertus
core  

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