• Citrus

  believed that citrus plants are native to subtropical and tropical regions of Asia and the Malay Archipelago. Some citrus species have been present in the

• Rancho Los Pinos is nature's ally

  open-field Brussels sprouts annually. These crops are distributed to markets in Asia, Europe, North America, and domestically. The large production scale, high

• Green peach aphid

  tomato, cucumber and many other greenhouse crops. The aphid may originate from Asia, where its winter-hardy host plant, the peach tree, is native, however it

• Diamond back moth

  xylostella) is suggested to have its origin in Europe, South Africa or East Asia, but is now present wherever its cruciferous hosts exist and it is considered