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Hyalophora cecropia,
Cecropia moth, Cecropia silkmoth, Robin moth

Scientific name:  Hyalophora cecropia Linnaeus
Common name:  Cecropia moth, Cecropia silkmoth, Robin moth
Family:  Saturniidae, Saturniids, Giant silk moths

Hyalophora cecropia, Cecropia moth, Cecropia silkmoth, Robin moth

Derivation of the scientific name:
Hyalophora, Greek hyalos glass, clear alabaster; of glass; glass-like, transparent, phora, bearing; glass bearing.
cecropia, Kekrops (Cecrops) was an early earth-born king of Attika and founder of the city of Athens.

Wing span 4 5/16 - 5 7/8 inches (11 - 15 cm). The Cecropia Moth is considered the largest moth in North America.
Mostly dark brown wings with some white. Bodies are red and have white bands on the abdomen and a white “collar.”
Males possess large feathery antennae while females have smaller, less bushy antenna. Females also have larger, more rounded abdomens than males.
The larvae or caterpillars of these moths are found on various trees and shrubs including box elder (Acer negundo), sugar maple (Acer saccharinum), wild cherries and plums (Prunus), apples (Malus), alder and birch (Betulaceae), dogwoods (Cornus), and willows (Salix).
It takes a full year for a Cecropia caterpillar to grow up, spend the winter in a cocoon, and finally emerge the following spring to early summer as an adult moth.
The adult cecropia moth will not live long (about two weeks) because they cannot eat. The purpose of the adult stage is to mate and lay eggs.
The moths are attracted to street and porch lights, which is where most lucky viewers encounter them.

Moths in comparison to Butterflies:
Moths are active during the night vs. butterflies are active during the day.
Moths have featherlike antennae vs. butterflies have clubbed antennae.
Moths connect their wings with a fringe called a frenulum vs. butterflies don't.
Moths usually rest with their wings tented down their back vs. butterflies rest with their wings folded.

Hyalophora cecropia, Cecropia moth, Cecropia silkmoth, Robin moth