description Tersa sphinx moth Overview
The Tersa sphinx moth (Xylophanes tersa) is a species of hawk moth found primarily across the Americas, ranging from the eastern and southern United States down through Central America. It is characterized by a streamlined body, slender brown-striped forewings, and distinctively patterned hindwings with pinkish bands. Its larvae, or caterpillars, feature prominent eyespots on their thoraxes to deter predators and primarily feed on plants in the madder family, such as smooth buttonplant.
help Tersa sphinx moth FAQ
What plants do tersa sphinx caterpillars eat?
Xylophanes tersa larvae feed mainly on plants in the coffee family, Rubiaceae. Recorded hosts include smooth buttonplant, Spermacoce species, firebush, and pentas.
Why does a tersa sphinx caterpillar have large fake eyes?
The prominent eyespots near its front are defensive markings rather than true eyes. When the larva retracts its head, the markings can make it resemble a small snake and may discourage predators.
Where is the tersa sphinx moth found in North America?
The moth is common in the southern United States and occurs through Mexico, Central America, and parts of South America. Adults also migrate northward and may be recorded well beyond the species' main warm-climate range.
How can you identify an adult tersa sphinx moth?
The adult has a streamlined body and long, narrow brown forewings marked by several pale longitudinal lines. Its hindwings carry contrasting dark and cream-colored bands that are often hidden while the moth rests.
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