▁they ▁also ▁feed ▁on ▁D ela ire a ▁od or ata , ▁S ene cio ▁vul gar is , ▁Cr asso ce phal um ▁cre pid io ides , ▁Em ilia ▁fos berg ii , ▁E recht ites ▁hier ac ifolia ▁and ▁Hel ian th us ▁ann u us ▁( sun flow ers ). ▁ ▁Bi ological ▁control ▁In ▁December ▁ 2 0 1 2 ▁the ▁United ▁States ▁Department ▁of ▁Agricult ure ▁approved ▁the ▁release ▁of ▁G alt ara ▁ext ensa ▁in ▁Hawai i ▁to ▁combat ▁the ▁spread ▁of ▁fire we ed . ▁ ▁References ▁Butler . ▁( 1 8 8 0 ). ▁" On ▁a ▁collection ▁of ▁Le pid optera ▁from ▁Mad agas car ▁with ▁descri ptions ▁of ▁new ▁gener a ▁and ▁species ". ▁Ann als ▁and ▁Magazine ▁of ▁Natural ▁History . ▁( 5 ) 5 : ▁ 3 3 3 – 3 4 4 , ▁ 3 8 4 – 3 9 5 . ▁ ▁Category : N y ct emer ina ▁Category : M oth s ▁described ▁in ▁ 1 8 8 0 ▁Category : M oth s ▁of ▁Mad agas car ▁Category : L ep id optera ▁used ▁as ▁p est ▁control ▁agents ▁Category : In sect s ▁used ▁for ▁control ▁of ▁invas ive ▁plants <0x0A> </s> ▁This ▁is ▁a ▁list ▁of ▁notable ▁events ▁rel ating ▁to ▁the ▁environment ▁in ▁ 2 0 0 1 . ▁They ▁relate ▁to ▁environmental ▁law , ▁conservation , ▁environmental ism ▁and ▁environmental ▁issues . ▁ ▁Events ▁The ▁IP CC ▁Third ▁Ass ess ment