Are pawpaws pollinated by flies?

Pawpaws are indeed pollinated by flies. This unique pollination process is quite fascinating. Unlike many other fruits that rely on bees or other insects for pollination, pawpaws have evolved to attract flies for this purpose.

The flowers of the pawpaw tree emit a distinct odor that resembles rotting flesh. This putrid scent acts as a lure, attracting blowflies, which are attracted to decaying matter. The blowflies are drawn to the flowers, thinking that there might be some decaying food source nearby.

When the blowflies visit the flowers, they inadvertently pick up pollen from the male flowers, which are staminate and produce pollen. As the flies move from flower to flower, they transfer this pollen to the female flowers, known as pistillate flowers, which have a sticky stigma ready to receive the pollen.

Interestingly, pawpaws have also been found to be pollinated by carrion beetles, in addition to flies. These beetles are also attracted to the scent of rotting flesh and visit the flowers in search of food. As they crawl around the flowers, they come into contact with the pollen and inadvertently help in cross-pollination.

The pollination process of pawpaws is a prime example of coevolution between plants and insects. The foul-smelling flowers have adapted to attract flies and carrion beetles, while these insects have adapted to seek out the pawpaw flowers as a potential food source. This mutually beneficial relationship ensures the successful pollination and reproduction of the pawpaw tree.

In my own gardening experience, I have had the opportunity to witness the pollination of pawpaws by flies. The pungent odor of the flowers can be quite overpowering, but it is fascinating to see how the flies are drawn to them. I have observed flies buzzing around the flowers and crawling over the stamens and pistils, unknowingly aiding in the pollination process.

It is important to note that while flies are the primary pollinators of pawpaws, other insects such as bees and wasps may also visit the flowers. However, their role in pollination is considered secondary to that of flies and carrion beetles.

Yes, pawpaws are pollinated by flies. The distinct aroma of their flowers, reminiscent of rotting flesh, attracts blowflies and carrion beetles, which inadvertently transfer pollen between the male and female flowers as they feed. This unique pollination process is a testament to the adaptability and intricacy of nature’s mechanisms.

Photo of author

Caroline Bates

Caroline is a Miami-based landscaper who specializes in drought-tolerant landscapes. She is the mother of two young children and also enjoys writing for GreenPacks.org in her spare time. Caroline takes great pride in her work, and loves being able to share her knowledge with others through her writing.