Automeris cecrops pamina
Neumoegen, 1882
Automeris cecrops pamina is a of giant in the , occurring in southwestern North America and Middle America. As a member of the Automeris , possess distinctive on the used for defense. The bear urticating capable of delivering a painful . This subspecies represents the western portion of the broader Automeris cecrops .
Pronunciation
How to pronounce Automeris cecrops pamina: /ˌɔː.toʊˈmɛr.ɪs ˈsiː.krɒps pæˈmaɪ.nə/
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Identification
Distinguished from other Automeris by geographic range (southwestern North America and Middle America) and subtle pattern differences. The specific configuration and mottling pattern separate it from the nominate A. c. cecrops of the eastern United States. Males identified by large, ; females by smaller, simpler antennae and larger body size.
Habitat
Associated with wooded and riparian where plants occur. Larval habitat includes various trees, vines, and shrubs. frequently encountered near vegetation used for mating and .
Distribution
Recorded from Middle America and southwestern North America. The represents the western and southern range of the Automeris cecrops complex, distinct from the eastern nominate subspecies.
Seasonality
Single per year throughout most of range. emerge in spring with warming temperatures, coinciding with leaf flush on plants. Overwinters as within .
Diet
feed on leaves of diverse . Specific records for this are limited, but related utilize oaks (Quercus), Erythrina, and various other trees and shrubs.
Host Associations
- Quercus - larval primary
- Erythrina - larval secondary
Life Cycle
with single . deposited in clusters on leaves. progress through multiple , dramatically increasing in size. Final instar spins silken attached to vegetation, incorporating leaf material. Pupal lasts through winter. emerge in spring, do not feed, and live briefly to mate and oviposit.
Behavior
are primarily . Males use large, feathery to detect female over considerable distances. When threatened, adults display in a startle response. are solitary feeders. Mating pairs may remain coupled for extended periods.
Ecological Role
function as , consuming leaf tissue of diverse . serve as for birds, bats, and other ; defense and larval stinging represent anti- . Contributes to through and as food source for higher .
Human Relevance
can cause painful, persistent reactions in humans; medical attention may be needed for severe allergic responses. are spectacular and sought-after by naturalists and photographers. Like other giant , vulnerable to agents.
Similar Taxa
- Automeris cecrops cecropsEastern nominate ; distinguished by geographic separation and subtle pattern differences
- Automeris ioRelated North with similar defense and stinging ; distinguished by range and specific patterns
- Automeris metzliNeotropical with comparable and defensive ; distribution
More Details
Conservation concern
of Automeris and related giant have declined regionally due to loss and by the Compsilura concinnata, originally imported for control.
Taxonomic note
Originally described as Hyperchiria pamina; later transferred to Automeris. The Automeris cecrops is currently treated as polytypic with multiple across its range.