About Pale Grass Blue
One of the smallest and most common butterflies in Japan, known as 'yamato-shijimi.' Found everywhere from city sidewalks to mountain meadows. Pale blue upperwings with spotted undersides.
Did You Know?
This butterfly became an unlikely research subject after Fukushima, as scientists documented radiation-induced mutations in populations near the disaster site.
How to Identify Pale Grass Blue
Pale Grass Blue (Zizeeria maha) belongs to the order Lepidoptera, family Lycaenidae. Adults typically measure 15-25 mm wingspan.
Pale Grass Blue Habitat
Pale Grass Blue is found in meadows habitats, particularly across East Asia, Japan/Korea. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.
Pale Grass Blue Diet and Feeding
Pale Grass Blue feeds primarily on nectar from flowers. In doing so, it acts as an important pollinator, transferring pollen between plants and contributing to plant reproduction and biodiversity.
Where Is Pale Grass Blue Found?
Pale Grass Blue can be found in East Asia, Japan/Korea, where it inhabits meadows environments. Its distribution is influenced by climate, food availability, and habitat suitability.
Distribution Map
Where Pale Grass Blue can be found
Is Pale Grass Blue Dangerous?
Pale Grass Blue is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.
Pale Grass Blue Role in Nature
Pale Grass Blue plays an important role as a pollinator. By visiting flowers to feed on nectar or pollen, it transfers pollen between plants, aiding in reproduction and helping to maintain plant diversity. Pollinators are essential for the production of many fruits, vegetables, and wildflowers.
Seasonal Activity
Frequently Asked Questions About Pale Grass Blue
What does Pale Grass Blue look like?
The Pale Grass Blue typically measures 15-25 mm wingspan.
Where is Pale Grass Blue found?
The Pale Grass Blue is found in East Asia, Japan/Korea and typically inhabits meadows environments.
What does Pale Grass Blue eat?
The Pale Grass Blue feeds primarily on nectar from flowers.
Is Pale Grass Blue dangerous to humans?
The Pale Grass Blue is generally harmless to humans. It does not bite or sting and poses no significant health risk.
What is an interesting fact about Pale Grass Blue?
This butterfly became an unlikely research subject after Fukushima, as scientists documented radiation-induced mutations in populations near the disaster site.
Cite This Page
APA:
InsectDiscover. (2026). Pale Grass Blue (Zizeeria maha). Retrieved from https://insectdiscover.com/insect/pale-grass-blue
MLA:
"Pale Grass Blue." InsectDiscover, https://insectdiscover.com/insect/pale-grass-blue.