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Blue Metalmark (Lasaia sula)

Blue Metalmark

The Blue Metalmark is a species of butterflies known for their vibrant blue coloration with a metallic sheen. They are mostly seen flying in the grassy woodlands between April and December, especially in South Texas.

Scientific Classification

  • Family: Riodinidae
  • Genus: Lasaia
  • Scientific Name: Lasaia sula

Description and Identification


The larva has a furry body with a whitish green coloration, and feasts upon the leaves of the host plants, as they emerge out of the eggs.


The chrysalis are also hairy, and remain attached to either their host plants, or else, to the ground on debris, leaf litter, or other plant matter with the help of silk.

Adult Butterfly

Sexual Dimorphism: Distinctly present

Color and Appearance: When the wings are open, the males display a metallic blue-green on the dorsal sides of all the four wings accompanied by random small black spots, whereas the females show a checkered gray pattern with black spots, and lack the bluish green hue. The edges of all the wings are bordered by light to darker shades of gray. When the wings are closed, both the sexes display checker spots and a grayish brown coloration.

Blue Metalmark Butterfly

Lasaia sula

Average wingspan: 2.2 to 3.2 cm (0.87 to 1.26 in)

Flight pattern: Medium


Round and whitish, laid singly on host plant leaves

Quick Facts

Distribution North America, ranging from south Texas’ Lower Rio Grande Valley to Honduras
Habitat Open subtropical forests, edges of woods, and agricultural areas
Host plants The Albizia species
Adult diet Flower nectar

Blue Metalmark Butterfly Male

Blue Metalmark Butterfly Pictures

Female Blue Metalmark Butterfly

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