Megathymus yuccae

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Megathymus yuccae
Megathymus yuccae 2190091.jpg
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Hesperiidae
Genus: Megathymus
Species: M. yuccae
Binomial name
Megathymus yuccae
(Boisduval & Leconte, 1837)

Eudamua yuccae (Boisduval & LeConte, 1834)

Megathymus yuccae, commonly known as the Yucca Giant-Skipper, is a rare early season butterfly that is widespread across the southern United States. It belongs in the family Hesperiidae, subfamily Megathyminae.[1]


The upper side of the wings are brown with the fore wings having yellow spots. The under side is mainly mottled with black and gray. The wingspan is 48–79 mm (1.9–3.1 in). Caterpillars feed on Yucca species such as Y. filamentosa, Y. smalliana, Y. gloriosa, Y. elata, Y. arizonica, and Y. aloifolia. Although adults do not feed, males will gather moisture from mud.[1]


This butterfly may be seen in deserts, foothills, and woodlands where yucca plants occur.


  1. ^ a b "Yucca Giant-Skipper Megathymus yuccae (Boisduval & Leconte, (1837))". Butterflies and Moths of North America. Retrieved 2010-08-25. 

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