description Mexican Yellow Overview
The Mexican Yellow is a pierid butterfly with the scientific name Eurema mexicana. It occurs from parts of the southern United States through Mexico and Central America, with its range extending into northern South America in some classifications and records. Adults have yellow wings with dark markings that vary between forms and sexes. The species is associated with open, warm habitats and belongs to a genus commonly called yellow butterflies.
help Mexican Yellow FAQ
What is the scientific name and range of the Mexican Yellow?
The Mexican Yellow is Eurema mexicana, a pierid found from parts of the southern United States through Mexico and Central America. Some classifications and records extend its range into northern South America.
How can I tell a Mexican Yellow from other yellow Eurema butterflies?
Use the wing pattern and dark marginal markings, not the yellow color alone. Regional lookalikes include Boisduval's Yellow, Eurema boisduvaliana, and Salome Yellow, Eurema salome.
Which plants support Mexican Yellow caterpillars?
Recorded host plants include Acacia and Diphysa, both in the pea family, Fabaceae. Regional records also list plants in the genera Senna and Cassia, so host availability can differ across its broad range.
Does the Mexican Yellow live only in Mexico?
No. Eurema mexicana is recorded from the southern United States through Mexico and Central America, with some classifications extending into northern South America. The common name refers to part of its range, not an exclusive distribution.
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