▁by ▁her b iv ores ▁as ▁c ater p ill ars ▁( L ob ob un ae a ▁ph a ed usa , ▁Im bras ia ▁pet iver i , ▁Im bras ia ▁obsc ura , ▁Im bras ia ▁mel an ops ). ▁These ▁c ater p ill ars ▁are ▁ed ible ▁and ▁are ▁therefore ▁not ▁treated ▁with ▁chemical s ▁but ▁collected ▁as ▁source ▁of ▁food ▁protein . ▁A ph ids ▁can ▁inf est ▁plants ▁in ▁nur series . ▁They ▁are ▁easy ▁to ▁detect ▁because ▁the ▁leaves ▁curl ▁as ▁result ▁of ▁an ▁attack . ▁These ▁a ph ids ▁can ▁be ▁controlled ▁with ▁a ▁system ic ▁insect ic ide . ▁Once ▁the ▁trees ▁are ▁in ▁the ▁field ▁for ▁more ▁than ▁two ▁years , ▁treat ments ▁are ▁no ▁more ▁necessary ▁because ▁of ▁plant ▁vig or . ▁ ▁Har vest ▁and ▁post har vest ▁treatment ▁First ▁fruit ▁har vest ▁occurs ▁after ▁ 6 ▁to ▁ 7 ▁years ▁in ▁for ests ▁or ▁after ▁ 3 ▁to ▁ 4 ▁years ▁in ▁managed ▁plant ations . ▁The ▁f ruits ▁are ▁picked ▁up ▁by ▁hand ▁from ▁the ▁ground ▁once ▁they ▁are ▁ri pe ▁enough ▁to ▁drop ▁from ▁the ▁tree ▁( Se ptember ▁and ▁October ). ▁To ▁facil itate ▁har vest , ▁the ▁ground ▁under ▁the ▁tree ▁should ▁be ▁cleared . ▁Once ▁har v ested , ▁the ▁f ruits ▁are ▁placed ▁on ▁a ▁p ile ▁for ▁two ▁to ▁three ▁weeks ▁so ▁that ▁the ▁pul p ▁is ▁ro tt ing ▁faster ▁and ▁the ▁se eds ▁can ▁be ▁extracted ▁easily . ▁ ▁Ext