Melon fly, introduced in 1895, is a major economic pest of cucurbits such as melons, squashes, and pumpkins as well as solanaceous vegetables such as eggplants, tomatoes, and peppers. The Melon Fly typically has a large black spot on wing tip and black cross streak on wing.

Medfly, introduced in 1907, became well established throughout the Hawaiian Islands within four years. Important hosts include coffee, citrus, loquat, persimmon, guava, papaya, and peach. Med Fly has characteristics "picture wings" with a brownish yellow band across the middle of each wing.

Oriental fruit fly, introduced in 1945, became a major pest of almost every economically important fruit in the Hawaiian Islands. The Oriental Fruit Fly has clear wings with black T-shaped mark on the top of abdomen