Results 21 to 30 of about 147,050 (357)

Field Tests of Kairomones to Increase Parasitism of Spruce Budworm (Lepidoptera: Tortricidae) Eggs by \u3ci\u3eTrichogramma\u3c/i\u3e Spp. (Hymenoptera: Trichogrammatidae) [PDF]

open access: yes, 2017
Hexane extracts of spruce budworm, Choristoneura fumiferana, moth scales, applied at 0.04 moth-gram equivalents/branch and at 0.06 moth-gram equivalents/tree, failed to increase parasitism rates of Trichogramma spp.
Jennings, Daniel T, Jones, Richard L
core   +2 more sources

PARASITISM IN E-COMMERCE: EMPIRICAL ANALYSIS

open access: yesНаука Красноярья, 2020
The article deals with the phenomenon of parasitism, which is a consumer’s purchase of a product after checking its consumer qualities in a traditional store. This phenomenon has two types: inter-company and intra-company parasitism. To get more detailed
Gleb Yurievich Mityashin   +1 more
doaj   +1 more source

Influence of Landscape Diversity and Composition on the Parasitism of Cotton Bollworm Eggs in Maize. [PDF]

open access: yesPLoS ONE, 2016
We deployed >50,000 Helicoverpa armigera eggs in maize fields to assess the rate of parasitism by Trichogramma chilonis across 33 sites during a three-year span (2012-2014) in northern China. Subsequently, we used a partial least squares (PLS) regression
Bing Liu   +3 more
doaj   +1 more source

Effects of Aluminum Foil Mulch on Parasitism and Fecundity of Apterous \u3ci\u3eMyzus Persicae\u3c/i\u3e (Homoptera: Aphididae) [PDF]

open access: yes, 2017
Chinese cabbage plants grown in flats containing either aluminum foil mulch or no mulch cover were uniformly infested with a single apterous adult Myzus persicae (Sulzer) and exposed in a greenhouse to a free-flying population of the parasite Aphidius ...
Cranshaw, Whitney S, Zalmon, Frank G
core   +2 more sources

Parasitism of Cranberry Fruitworm (\u3ci\u3eAcrobasis Vaccinii\u3c/i\u3e; Lepidoptera: Pyralidae) by Endemic or Released \u3ci\u3eTrichogramma Pretiosum\u3c/i\u3e (Hymenoptera: Trichogrammatidae) [PDF]

open access: yes, 2017
Two levels of commercially-reared Trichogramma pretiosum were released during the oviposition period of the cranberry fruitworm (Aerobasis vaccinii) in eight Massachusetts (U.S.A.) cranberry bog sites. Release levels of 4.8 X 105 T. pretiosum per ha or 1.
Simser, Dave
core   +2 more sources

Natural parasitism of the Citrus Leafminer (Lepidoptera: Gracillariidae) over eight years in seven citrus regions of São Paulo, Brazil [PDF]

open access: yes, 2015
The citrus leafminer (CLM) Phyllocnists citrella Stainton (Lepidoptera: Gracillariidae) was frst recorded in Brazil in 1996. In 1998, the parasitoid Ageniaspis citricola Logvinovskaya (Hymenoptera: Encyrtdae) was introduced and established in many ...
Diez PA   +12 more
core   +1 more source

Parasitic plants [PDF]

open access: yesCurrent Biology, 2018
In this quick guide, Twyford introduces the reader to parasitic plants, explaining how they steal nutrients from host plants and how this lifestyle has evolved multiple times in plants.
openaire   +3 more sources

Analyzing the Mass-Rearing System of the California Red Scale Parasitoid Aphytis melinus (Hymenoptera: Aphelinidae) [PDF]

open access: yes, 2018
Results from studies to improve mass rearing production of the parasitoid Aphytis melinus De Bach (Hymenoptera: Aphelinidae) are presented. Parasitoid production was carried out following standard commercial procedures using an alternative host ...
Castillo, María L.   +1 more
core   +1 more source

BioFlow: a non-invasive, image-based method to measure speed, pressure and forces inside living cells

open access: yesScientific Reports, 2017
Cell motility is governed by a complex molecular machinery that converts physico-chemical cues into whole-cell movement. Understanding the underlying biophysical mechanisms requires the ability to measure physical quantities inside the cell in a simple ...
Aleix Boquet-Pujadas   +7 more
doaj   +1 more source

Natural parasitism of the second generation European corn borer eggs Ostrinia nubilalis (Hübner) (Lepidoptera, Pyralidae) by Trichogramma spp. in sweet corn fields in Vojvodina, Serbia - short communication

open access: yesPlant Protection Science, 2017
Natural parasitism of the European corn borer eggs (Hübner) by Trichogramma spp. (Hymenoptera, Trichogrammatidae) was assessed in sweet corn field in north-west Serbia, region Vojvodina at the localities of Ruski Krstur, from 2004 till 2007.
Ján Tancik
doaj   +1 more source

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