πŸ¦‹ Butterflies & Moths

Juniper Hairstreak

Callophrys gryneus

About Juniper Hairstreak

A small green hairstreak butterfly with intricate white line patterns on its hindwing underside. Its bright green underside provides camouflage among cedar foliage.

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Did You Know?

Its caterpillar perfectly matches the green of cedar foliage and is nearly impossible to spot among the needles.

How to Identify Juniper Hairstreak

Juniper Hairstreak (Callophrys gryneus) belongs to the order Lepidoptera, family Lycaenidae. Adults typically measure 22-30 mm wingspan.

Juniper Hairstreak Habitat

Juniper Hairstreak is found in underground habitats, particularly across Eastern and central United States wherever red cedar grows. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Juniper Hairstreak Diet and Feeding

Juniper Hairstreak is a herbivore, feeding on plant material including leaves, stems, flowers, and other vegetation. Herbivorous insects play a significant role in ecosystems by influencing plant growth and serving as a food source for predators.

Where Is Juniper Hairstreak Found?

Juniper Hairstreak can be found in Eastern and central United States wherever red cedar grows, where it inhabits underground environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Juniper Hairstreak can be found

Is Juniper Hairstreak Dangerous?

Juniper Hairstreak 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.

Juniper Hairstreak Role in Nature

Juniper Hairstreak is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.

Seasonal Activity

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Peak activity Moderate Low / dormant

Frequently Asked Questions About Juniper Hairstreak

What does Juniper Hairstreak look like?

The Juniper Hairstreak typically measures 22-30 mm wingspan.

Where is Juniper Hairstreak found?

The Juniper Hairstreak is found in Eastern and central United States wherever red cedar grows and typically inhabits underground environments.

What does Juniper Hairstreak eat?

The Juniper Hairstreak feeds on plant material including leaves, stems, and other vegetation.

Is Juniper Hairstreak dangerous to humans?

The Juniper Hairstreak is generally harmless to humans. It does not bite or sting and poses no significant health risk.

What is an interesting fact about Juniper Hairstreak?

Its caterpillar perfectly matches the green of cedar foliage and is nearly impossible to spot among the needles.

Cite This Page

APA:
InsectDiscover. (2026). Juniper Hairstreak (Callophrys gryneus). Retrieved from https://insectdiscover.com/insect/juniper-hairstreak

MLA:
"Juniper Hairstreak." InsectDiscover, https://insectdiscover.com/insect/juniper-hairstreak.