parthenogenesis, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood
appearance In Europe, the western corn rootworm produces a single generation each year. The pest overwinters in the soil in the egg stage. Egg hatching start in
incidence with up to 250% Quarantine measures are in place, including a five-year ban on using a field for potato cropping after infection of potatoes from
cannabis aphid ( Phorodon cannabis ; a.k.a. bhang aphid or hemp aphid) is a very new pest to North America. It was first seen on cuttings originating from Colorado
responsible for hundreds of millions of dollars in egg industry losses every year. Despite its common names, Dermanyssus gallinae can parasitize a wide range
primarily nocturnal and most active at dusk. Adults can live more than a year (up to two in ideal conditions).
genitalia. They have a very long lifecycle, lasting between one and three years. This cycle starts with the deposition of eggs in the ground, close to plant
areas in dark places, with a lot of organic material. They occur the whole year round. The eggs are minute (0.1 to 0.25 mm) and yellowish white in colour
change in colour from yellow to red, to brown, to black as the pupa ages. New adult flies will emerge as early as two days after pupation (at temperatures