Bug problems in my avocado and soursop.
I've been noticing for the past couple of weeks these white circular marks under the leaves and I even spotted the white fly itself on one of my avocado leaves. I've also been having problems with aphids on my soursop. There are also lots of bugs and pests under the leaves of my manzano banana.
I found out that green lacewings eat aphids, whiteflies, and other pests that harm the trees: http://www.google.com/products/catalog?pq=white+fly&hl=en&sugexp=ppwl&cp=21&gs_id=i&xhr=t&q=green+lacewing+larvae&gs_upl=&bav=on.2,or.r_gc.r_pw.,cf.osb&biw=1280&bih=609&um=1&ie=UTF-8&tbm=shop&cid=17215233928600276961&sa=X&ei=3xG7TrrwNseXgweMjeXACA&sqi=2&ved=0CFIQ8wIwBw
Will buying green lace wing eggs be a good idea?
It seems that Sevin isn't doing anything. >:-(
Thanks for your help,