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Automeris iris

(Iris Eyed Silkmoth)

Interesting Facts

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Common Names

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Common Names in English:

Iris Eyed Silkmoth

Description

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Family Saturniidae

'The Saturniidae are members of the Superfamily Bombycoidea . These species are medium to very large in size, and this family includes the largest moths in North America. Adults have a wingspan of 3 to 15 centimeters, relatively small heads , and densely hairy bodies. Larvae are usually very fleshy , with clumps of raised bristles . Buck moth and Io moth caterpillars have sharp, stinging hairs . Caterpillars mostly feed on leaves of trees and shrubs ; some cause severe damage. Pupa develop in silken cocoons or in the soil. This family does not contain the commercial silkworm moth (Bombyx mori), which is not native to North America.

'[1]

Subfamily Hemileucinae

The buck and io moths are members of the Family Saturniidae. Adults of these species have wingspans of 4.5 to 8 cm, hairy bodies, and relatively small heads . Caterpillars have sharp, stinging hairs , and feed on leaves of trees and shrubs . Some buck and io moths pupate in a well-built silken cocoon .[2]

Physical Description

Species Automeris iris

Upperside of forewing is gray-brown with a pink tint and a darker wing base . Brown median line is distinct . Upperside of hindwing is orange with a gray-brown margin and a large eyespot circled in gray and black. (ref. 106120)

Color:

Upperside of forewing is gray-brown with a pink tint and a darker wing base . Brown median line is distinct . Upperside of hindwing is orange with a gray-brown margin and a large eyespot circled in gray and black.

Size/Age/Growth

Wing span : 2 7/8 - 3 1/2 inches (7.4 - 9 cm).

Habitat

Oak woodlands in low mountains.

Biology

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Diet

Caterpillar hosts: Oaks (Quercus). Adult food: Adults do not feed .

Reproduction

Females deposit eggs in groups of 6-40. Young caterpillars feed together. Some caterpillars in captivity spun cocoons in leaf litter , but some pupated in the litter without spinning a cocoon.

Behavior

Flight: One brood from mid-July to early August.

Taxonomy

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Notes

Name Status: Accepted Name .

Similar Species

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Members of the genus Automeris

ZipcodeZoo has pages for 7 species and subspecies in this genus:

A. cecrops (Cecrops Eyed Silkmoth) · A. io (Io Moth) · A. iris (Iris Eyed Silkmoth) · A. louisiana (Louisiana Eyed Silkmoth) · A. patagoniensis (Patagonia Eyed Silkmoth) · A. randa (Randa's Eyed Silkmoth) · A. zephyria (Zephyr Eyed Silkmoth)

More Info

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Further Reading

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Notes

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Contributors

Identifiers

Footnotes

  1. http://www.butterfliesandmoths.org/taxonomy?f=29&sci=Saturniidae&com=Wild Silk Moths [back]
  2. http://bugguide.net/index.php?q=search&keys=Coloradia&search=Search [back]
Last Revised: 7/16/2012