The relationship between the plant species and the insect is called mutualism.

Here's why:

* Mutualism is a type of symbiotic relationship where both organisms benefit.

* The plant benefits from the insect pollinating its flowers, allowing it to reproduce.

* The insect benefits from the plant providing it with food (nectar or pollen).

Let me know if you'd like to learn more about different types of symbiotic relationships!