?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Aphid+(Homoptera%3A+Aphididae)+accumulation+and+distribution+near+fences+designed+for+cabbage+fly+(Diptera%3A+Anthomyiidae)+exclusion&rft.creator=Bomford%2C+M.K.&rft.creator=Vernon%2C+R.S.&rft.creator=Pats%2C+Peeter&rft.subject=Crop+health%2C+quality%2C+protection&rft.subject=+Vegetables&rft.subject=+Biodiversity+and+ecosystem+services&rft.description=Aphids+accumulate+near+exclusion+fences+designed+to+intercept+Delia+radicum+(L.)+movement+into+fields.+Aphid+accumulations+increase+with+fence+height%2C+but+are+not+affected+by+fence+overhang+length.+Overall+aphid+levels+are+higher+in+small+(4.3+x+4.3+m)+enclosed+plots+than+in+unenclosed+plots.+Enclosing+large+(38+x+38+m)+plots+does+not+alter+overall+aphid+catches%2C+but+does+alter+aphid+distribution+within+enclosures.+In+large+enclosures+aphid+accumulations+are+higher+at+enclosure+perimeters+than+interiors%2C+with+the+highest+accumulations+near+enclosure+corners.+This+concentric+distribution+is+not+observed+in+unfenced+areas%2C+and+is+not+altered+by+the+addition+of+a+trap+crop+inside+an+enclosure.&rft.publisher=Entomological+Society+of+British+Columbia&rft.date=2000&rft.type=Journal+paper&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Forgprints.org%2F8064%2F1%2F8064.pdf&rft.identifier=Bomford%2C+M.K.%3B+Vernon%2C+R.S.+and+Pats%2C+Peeter+(2000)+Aphid+(Homoptera%3A+Aphididae)+accumulation+and+distribution+near+fences+designed+for+cabbage+fly+(Diptera%3A+Anthomyiidae)+exclusion.+Journal+of+the+Entomological+Society+of+British+Columbia%2C+97%2C+pp.+79-87.&rft.relation=http%3A%2F%2Forgprints.org%2F8064%2F