Eretmocerus eremicus
when the whitefly reaches its fourth instar. The larva then penetrates the host, moulting to the second instar to feed. During the third instar, the larva [...] carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] in the crop, if possible approximately 75 cm under the plant head Avoid to hang cards at places exposed to direct sunlight The dosage of Ercal or Enermix