Colias eurytheme, the orange sulphur, also known as the alfalfa butterfly and in its larval stage as the alfalfa caterpillar, is a butterfly of the family...

in flight. Colias aurorina heldreichi, male Colias christophi, male Colias myrmidone, male Colias eurytheme, male Colias croceus, male Colias croceus f...

others. It can be confused with other white forms of Colias particularly that of Colias eurytheme. It can often be distinguished by the border pattern...

and produce a hybrid known as a Rubidus Family Pieridae Genus: Colias Colias eurytheme and C. philodice butterflies have enough genetic compatibility...

to detect and monitor insect populations in orchards. In addition, Colias eurytheme butterflies release pheromones, an olfactory cue important for mate...

system for sex recognition and mating behavior. For example, in the Colias eurytheme butterfly, males rely on visual cues to locate and identify females...

yellow, Colias croceus Orange tip, Anthocharis cardamines Psyche butterfly, Leptosia nina Colias eurytheme, alfalfa butterfly or orange sulphur Colias philodice...

as an indicator of male sex to other rival males in the butterfly Colias eurytheme. In this species, only males are able to reflect ultraviolet light...

was done by crossing a European honey bee and an African bee. The Colias eurytheme and C. philodice butterflies have retained enough genetic compatibility...

silvery checkerspot Coenonympha tullia – common ringle Colias eurytheme – orange sulphur Colias philodice – clouded sulphur Danaus plexippus – monarch...