Results 91 to 100 of about 13,002 (218)

Harmonia axyridis: an environmental risk assessment for Northwest Europe [PDF]

open access: yes, 2008
In this paper, we summarize the international situation with respect to environmental risk assessment for biological control agents. Next, we apply a recently designed, comprehensive risk evaluation method consisting of a stepwise procedure to evaluate ...
Babendreier, D.   +3 more
core   +2 more sources

Influence of the phototropism over the egg laying rhythm and emergence of three Trichogramma species (Hym., Trichogrammatidae) [PDF]

open access: yes, 1991
4th European Workshop 'Insect parasitoids', held in Perugia, Italy, 3-5 April 1991.Published in Redia 74(3, Appendix): 309-314.The egg parasites of the genus Trichogramma (Hym., Trichogrammatidae), are important Biological auxiliaries used in over 20 ...
Tavares, João, Voegelé, Jean
core  

Assays with Commercially Produced Trichogramma (Hymenoptera: Trichogrammatidae) To Determine Suitability for Obliquebanded Leafroller (Lepidoptera: Tortricidae) Control [PDF]

open access: yes, 2017
Laboratory assays were used to compare the ability of commercially produced Trichogramma spp. to parasitize eggs of the obliquebanded leafroller, Choristoneura rosaceana (Harris), in the laboratory and field.
Lawson, D. S.   +2 more
core  

Morphogenetic traits of the egg parasitoid Trichogramma for controlling certain date palms lepidopteran insect pests in the New Valley Governorate

open access: yesEgyptian Journal of Biological Pest Control, 2018
Egg parasitoid Trichogramma strain (TNV) received from Kharga Oasis, New Valley Governorate, Egypt, is used in controlling certain date palm lepidopteran insect pests. The morphological features of adult wasps and genetically identification of the strain
Farouk A. Abdel-Galil   +4 more
doaj   +1 more source

Key steps of a successful biological control against the sugarcane stemborer by inundative release of Trichogramma spp. : S1012TU08 Integrated Pest Management [PDF]

open access: yes, 2012
For over ten years, a biological control strategy by inundative release of Trichogramma chilonis (Hymenoptera: Trichogrammatidae) against Chilo sacchariphagus (Lepidoptera: Crambidae) has been studied (French collaboration between INRA, CIRAD and FDGDON ...
Clain, Clarisse   +7 more
core  

Novel organic solutions securing future growth [PDF]

open access: yes
Currently the Danish organic fruit & berry production area is 502 ha with the main crop being apples at 282 ha. FruitGrowth will address the main barriers identified by the ‘Working Group report, 2009’, by focussing on robust cultivars in apples, new ...

core  

Significant improvement of IPM strategies against the sugarcane stem borer, Chilo Sacchariphagus, through long-term succesful storage of Trichogramma chilonis (Hymenoptera:Tric) : S1012TU07 Integrated Pest Management [PDF]

open access: yes, 2012
The stem borer Chilo sacchariphagus is a key pest of sugarcane in Reunion Island and South-East Asia. Since 2002, an IPM strategy associating inundative release of an egg parasitoid, Trichogramma chilonis, and conservation of a predatory ant has been ...
Bodendörfer, Johanna   +8 more
core  

Updated checklist, dubious and erroneous records of Trichogramma species (Hymenoptera: Trichogrammatidae) in South America [PDF]

open access: yesPapéis Avulsos de Zoologia
Taxonomic studies of the genus Trichogramma have advanced since the 1970s, mainly due to the use of reliable morphological characters, based on male genital capsule, for species identification. Here, we discus the Trichogramma species that actually occur
Roberto Antonio Zucchi   +1 more
doaj   +1 more source

ECONOMIC ANALYSIS OF COTTON INTEGRATED PEST MANAGEMENT STRATEGIES [PDF]

open access: yes
Crop Production/Industries,
Liapis, Peter S., Moffitt, L. Joe
core   +1 more source

Geographical Range and Laboratory Studies on Apanteles opuntiarum (Hymenoptera: Braconidae) in Argentina, a Candidate for Biological Control of Cactoblastis cactorum (Lepidoptera: Pyralidae) in North America [PDF]

open access: yes, 2014
La polilla de la tuna, Cactoblastis cactorum (Berg) (Lepidoptera: Pyralidae), es una plaga que amenaza las Opuntia spp. nativas de América del Norte. Se han implementado varias estrategias para su control, erradicándola de México pero no de los Estados ...
Carpenter, James E.   +6 more
core   +2 more sources

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