description Big poplar sphinx moth Overview
The big poplar sphinx moth, Pachysphinx occidentalis, is a large sphingid moth native to North America. It is associated with the Great Plains, where its caterpillars feed on trees in the poplar family, including cottonwood, as well as willow. Its reported wingspan can reach about 130 millimetres, making its large size a defining characteristic for naturalists studying North American hawk moths and their plant associations.
help Big poplar sphinx moth FAQ
What is the scientific name of the big poplar sphinx moth?
The big poplar sphinx moth is Pachysphinx occidentalis. It is a large sphingid moth native to North America.
Where is the big poplar sphinx moth commonly associated?
It is associated with the Great Plains and other parts of North America. Its distribution follows areas where suitable poplar-family host trees occur.
What do big poplar sphinx caterpillars eat?
The caterpillars feed on trees in the poplar family, including cottonwood, and also use willow. These host plants provide the leaves needed during the larval stage.
How large can the big poplar sphinx moth become?
Its reported wingspan can reach about 4 inches. The species is therefore considered a large member of the sphinx moth family.
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