Shallot aphid
shallot aphid, Myzus ascalonicus , is extremely polyphagous. It feeds on crops such as onions, shallots, strawberries, lettuce, brassicas and potatoes and [...] adulthood. With each moult they shed white skin, betraying their presence in the crop. Wingless females of the shallot aphid are 1.1-2.2 mm long and shiny brownish [...] temperatures are still low. Winged forms are produced and migrate to other crops until June.