Papilio glaucus (Eastern Tiger Swallowtail)
Photos for easy identification
The forewings are yellow. Four black stripes dominate the wing. The outer edge is black and contains a chain of little, yellow spots.
The underside of Papilio glaucus is very similar to the upside. But, the stripes and the outer edge are brown.
The hind wings of Papilio glaucus are yellow and they have tails. The edge is wavy. In the middle of the wing there are two black stripes. The outer edge is black and contains a chain of yellow spots. At the inner edge there is a blue-black-red eye-spot.
The underside is very similar to the upside. But, the stripes and the outer edge are brown. There are some additional orange spots.
The body (abdomen) is striped in black-yellow. The thorax is striped in black-yellow. The head is striped in black-yellow. The underside of all parts is yellow and has black stripes.
Sex differences: The female has an additional chain of blue spots on the hind wing. At the front edge of the hind wing there is an additional red spot. It exist also a very dark or completely black form of the female.
Papilio glaucus is a butterfly from the Nearctic ecozone (North America). The area of distribution of this butterfly stretches from USA (without Washington, Idaho, Oregon and Nevada) to Nicaragua.
- Alnus incana
- Betula alleghaniensis
- Betula lenta
- Betula papyrifera
- Betula pubescens
- Amelanchier canadensis
- Cydonia oblonga
- Malus pumila
- Prunus americana
- Prunus cerasus
- Prunus domestica
- Prunus ilicifolia
- Prunus pensylvanica
- Prunus persica
- Prunus serotina
- Prunus virginiana
- Salix boothii
- Syringa vulgaris
The first description of this butterfly was in 1758 by Linnaeus . There are two subspecies.
- Papilio glaucus alexiares [Hopffer, 1865]
- Papilio glaucus garcia [Rothschild & Jordan, 1903]
Here you can see the form Papilio glaucus f turnus (male left / female right). The wingspan is about 10 - 11 cm.
Macro - photos
Protection provisions / Red List
- CITES: (Convention on International Trade in Endangered Species of Wild Fauna and Flora):
- EU regulation on trading with species of wild Fauna and Flora
- IUCN Red List of threatened species:
Papilio glaucus Linnaeus 1758
Eastern Tiger Swallowtail
Classification / Taxonomy / Family tree
- Kingdom: ANIMALIA
- Phylum: ARTHROPODA
- Class: INSECTA
- Order: LEPIDOPTERA
- Suborder: DITRYSIA
- Superfamily: PAPILIONOIDEA
- Family: PAPILIONIDAE
- Subfamily: PAPILIONINAE
- Tribe: PAPILIONINI
- Genus: PAPILIO
- Specific name: GLAUCUS