Results 91 to 100 of about 7,166 (202)

Estudios meióticos en dos especies de crisópidos (Chrysopidae: Neuroptera)

open access: yesActa Zoológica Lilloana, 2012
Se analizó la espermatogénesis de dos especies del género Chrysoperla, C. argentina y C. externa, consideradas biocontroladoras de numerosas plagas agrícolas, en base a estudios citológicos.
Aldo Rubén Andrada   +3 more
doaj  

Field evaluation of augmentative biological control as a management tool against an invading scale insect, Acanthococcus lagerstroemiae (Kuwana) (Hemiptera: Eriococcidae)

open access: yesBiological Control
Urban plantings are often faced with herbivorous pest outbreaks and thus require extensive management regimes to protect plant health. Scale insects are common landscape pests that are frequently controlled with various insecticides.
Amber R. Stiller   +5 more
doaj   +1 more source

Functional agrobiodievrsity - a novel approach to optimize pest control in fruit production [PDF]

open access: yes, 2017
Functional agrobiodiversity was implemented in organic apple orchards in Denmark, by perennial flower strips. Two techniques were tested with the purpose of enhancing natural enemies and reducing damage of the rosy apple ...
Jacobsen, Stine K., Sigsgaard, Lene
core  

Seletividade de agrotóxicos utilizados em pomares de pêssego a adultos do predador Chrysoperla externa (Hagen, 1861) (Neuroptera: Chrysopidae) Selectivity of pesticides used in peach orchard on adults of Chrysoperla externa (Hagen, 1861) (Neuroptera: Chrysopidae)

open access: yesRevista Brasileira de Fruticultura, 2011
A seletividade de dezesseis agrotóxicos utilizados na produção integrada e convencional de pêssego foi avaliada sobre a fase adulta de Chrysoperla externa através de bioensaios de exposição residual conduzidos em laboratório (temperatura de 25±1ºC ...
Rodolfo Vargas Castilhos   +4 more
doaj  

Electroantennogram responses of Chrysoperla carnea (Stephens) to volatiles.

open access: yesIndian journal of experimental biology, 2005
Electrophysiological responses of adult males and females of C. carnea to commonly occurring plant volatiles were recorded using the electroantennogram technique. Responses to 28 volatiles evaluated indicate that both depolarization and recovery to the baseline were rapid in females compared to males.
Ruchira, Raina   +2 more
openaire   +1 more source

Side effects of kaolin on natural enemies found on olive crops. [PDF]

open access: yes, 2010
Protected barriers of kaolin, a natural clay mineral, were tested against olive pests in the last few years with good results on Bactrocera oleae, the most serious pest of olive groves.
Bengochea Budia, Paloma
core   +1 more source

The actual annual occurrence of the green lacewings of northwestern Europe (Neuroptera: Chrysopidae) [PDF]

open access: yes, 2010
Quantitative surveys of chrysopids from northwestern Europe were analysed. A total of thirty-five species are known within the zone although only twenty-six were recorded. Only the common green lacewings (i.e.
Bozsik, A.   +3 more
core  

Çubuk Ankara İlçesi Vişne Ağaçlarında Zararlı Olan Türler, Doğal Düşmanları ve Önemlileri Üzerinde Gözlemler

open access: yesJournal of Agricultural Sciences, 2005
Bu çalışma, 1999-2002 yıllarında Çubuk Ankara İlçesindeki vişne bahçelerinde yürütülmüştür. Çalışmada 21 zararlı tür ve bunlar üzerinde beslenen 8 faydalı böcek türü tespit edilmiştir. Tespit edilen zararlı türlerden Rhagoletis cerasi L.
Cem Özkan   +2 more
doaj  

Le complexe Chrysoperla carnea en Belgique (Neuroptera : Chrysopidae)

open access: yes, 2003
De 1997 à 2002, près de 4000 Chrysoperla carnea sensu lato furent collectées dans quinze localités de Belgique, principalement dans la ville de Gembloux (Province de Namur). Le fauchage de la végétation à l’aide d’un filet représente le principal mode d’échantillonnage. Les individus capturés furent identifiés sur base des descriptions de Thierry et al.
Bozsik, Andras   +2 more
openaire   +1 more source

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