Common grass yellow
The common grass yellow is a small, bright lemon yellow butterfly with black edges on its wings. It flutters low over the grass in open fields. It even changes its look with the seasons.

How fast is it?
Fun facts
Butterflies that grow up when the days are long are darker than those that grow up when the days are short.
Its yellow wings also shine in ultraviolet light, a colour that butterflies can see but we cannot.
The females seem to choose plants for their eggs by colour.
Its caterpillar is long and green with a big head.
Most asked questions about Common grass yellow
?Where does the common grass yellow live?
In Asia, Africa and Australia, in grassy and bushy places.
?What does the common grass yellow eat?
Grown-ups drink nectar. The caterpillars eat leaves of bean plants and others.
?Why does the common grass yellow look different in different seasons?
The length of the day when it grows up decides if it gets a darker or a lighter look.
For bug experts
- Scientific name
- Eurema hecabe
- Group
- Butterflies
- Family
- Pieridae
- Classification
- Insecta > Lepidoptera > Pieridae
- Lives on
- Asia, Africa, Australia and Oceania
- Also known as
- Grass yellow
Where the facts come from
- Eurema hecabe (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
- Picture by Charles J. Sharp. CC BY-SA 4.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.
If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at [email protected] and we will fix it.