54 THE SUGAR-CANE INSECTS OF HAWAII. 
Trichogramma pretiosa, parasite of Omiodes accepta and O. blackburni....-....-- 
Verania strigula, enemy of Perkinsiella saccharicida.........-..-.-..-+-----+-+-+-- 
Xiphidium varipenne, enemy of Perkinsiella saccharicida.............--------- 
sugar-cane leafhopper and sugar-cane ‘leaf- 
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