• Fall Armyworm

  makes it possible for fall armyworms to spread over large areas rapidly. Adults fly by night, and are attracted to lights, especially those with a strong [...] (similar to hailstorm damage in appearance). Life cycle of the Fall Armyworm Adult moths are 20 to 25 mm long and have a wingspan of 32-38 mm. They are nocturnal

• Cabbage moth

  value of infested crops. Life cycle and appearance of Cabbage moth The adult cabbage moth (Mamestra brassicae) has grey-brown to black forewings, with [...] y 2 cm long and a glossy brown colour, turning black shortly before the adult moth emerges.

• Tobacco aphid

  and various pot plants and cut flower crops. Damage symptoms Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones [...] Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the young aphids

• Cotton aphid

  than 50 different viruses, including the cucumber mosaic virus. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones [...] Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses reproduction takes place by

• Glasshouse potato aphid

  Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the young aphids [...] they shed white skin, betraying their presence in the crop. The wingless adult stage of the greenhouse potato aphid is rather squat, of medium size (1.8

• Vine mealybug

  through 7 stages: egg, first, second and third instar nymph, prepupa, pupa and adult. The eggs are golden-yellow in color and are deposited in an cottony egg [...] (ovisac) containing from 300-500 eggs. The nymphs are very similar to the adult female, even if they are smaller. The prepupa and pupa stages are present

• Corn earworm

  fruit from the host plant, as well as on the corn of immature cobs and ears. Adults of corn earworm are nocturnal, since they react to light radiation at night [...] The pupae measure around 18 mm and have a slightly shiny brown colour. The adults have a brown-coloured body, with a wingspan of 35 to 40 mm and a dark stripe

• Stratiolaelaps scimitus (Hypoaspis miles)

  organisms. The larvae do not feed. Nymphs and adults prey mainly in the upper 1-2 cm of the soil. Adult females consume up to 4.5 thrips pupae per day [...] stages: egg, six-legged larva, eight-legged protonymph and deutonymph, and adult. Stratiolaelaps scimitus is a large mite with a body length of up to 1 mm

• Cannabis aphid

  and alfalfa mosaic virus. Life cycle and appearance of the Cannabis aphid Adult cannabis aphids are between 1.8–2.7 mm long. They are normally wingless but [...] Newborn nymphs will typically reach maturity within a couple of weeks, and adults live up to a month. Outdoors, as the days shorten in late summer/early autumn

• Aphids

  wingless forms of adults of the same species developing, depending on the conditions. Wingless adult aphids are known as apterous, and winged adults as alate. [...] instantly on plant sap. They grow rapidly and moult four times before becoming adult, with the conspicuous white cuticles, shed during each of these moults, betraying