Hodges#4361
Cupido comyntas
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Lepidoptera
- Superfamily: Papilionoidea
- Family: Lycaenidae
- Subfamily: Polyommatinae
- Genus: Cupido
- Species: comyntas
Pronunciation
How to pronounce Cupido comyntas: /kuːˈpiː.doʊ koʊˈmɪn.təs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Images






Summary
The eastern tailed-blue (Cupido comyntas) is a small butterfly characterized by distinct coloration and tail features. It thrives in disturbed habitats and displays mutualistic behavior with ants.
Physical Characteristics
Males have iridescent pale blue wings above with brownish-gray along the outer margin, while females have larger wings with gray coloring and 2 to 3 small orange spots. Both sexes have silvery gray wings below with small dark spots and a few orange spots.
Identification Tips
Males can be distinguished by their blue upperside, whereas females can range from lighter blue to brown or charcoal. The species is small with a profile of 21 to 29 mm wide, featuring a tail off the hindwings.
Habitat
Commonly found in meadows, roadsides, and forest paths, often in sunny open areas.
Distribution
Widespread across eastern North America, extending into Central America. Common in the Midwest and parts of California, Oregon, and Washington but absent in the Rocky Mountain region.
Diet
Caterpillars feed on the flowers, seeds, and occasionally the leaves of various legumes including White Clover (Trifolium repens), Red Clover (T. pratense), and Cow Vetch (Vicia cracca).
Life Cycle
Flies from Spring to Fall, with adults observed from May to October in Canada. Overwinters as a mature larva, often inside seedpods; may have two or more generations per year.
Reproduction
Eggs are laid singly on flowers and young leaves.
Predators
Ants may protect the larvae from other predators in exchange for secretions favored by the ants.
Ecosystem Role
Plays a role in pollination and the local ecosystem as a herbivore.
Similar Taxa
- Cupido texanus (Texas Tailed-Blue)
- Everes amyntula (Western Tailed-Blue)
Misconceptions
Some may confuse the eastern tailed-blue with similar species due to their small size and color variations.
Tags
- butterfly
- eastern tailed-blue
- Cupido comyntas
- Lepidoptera
- Lycaenidae