Attacini
Attacini is a tribe of giant within the , Saturniinae. Members are characterized by their large size, reduced or non-functional mouthparts, and involving a silken . The tribe includes notable North such as Hyalophora cecropia, one of the continent's largest moths. Attacini typically feed on , and adults rely on fat reserves accumulated during the larval stage.
Pronunciation
How to pronounce Attacini: //ˌætəˈkaɪnaɪ//
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Distribution
Members of Attacini occur across North America, with documented presence from Canada to Florida. Specific range varies by .
Seasonality
In most of their range, Attacini have a single per year. typically emerge in spring and early summer.
Life Cycle
Attacini undergo with four stages: , , , and . Larvae hatch from eggs laid on leaves and through multiple with dramatic color changes. The final instar spins a silken , often incorporating leaves or attached to host vegetation, in which it overwinters as a pupa. Adults emerge with warm weather, mate, and die without feeding.
Behavior
do not feed; they rely on larval fat reserves. Males possess large, feathery to detect female over considerable distances. Mating typically occurs shortly after .
Ecological Role
serve as on . provide food for including birds and bats. The tribe has been impacted by , particularly Compsilura concinnata, which has reduced or extirpated some .
Human Relevance
Attacini are valued for their size and beauty, making them subjects of citizen science and educational interest. They have no significant economic impact as do not feed; occasionally cause minor but are not considered pests.
Similar Taxa
- SaturniiniAnother tribe within Saturniinae; distinguished by specific morphological and biogeographic patterns not detailed in available sources.
- BunaeiniTribe within Saturniinae primarily distributed in Africa and Asia; Attacini are predominantly Nearctic.
More Details
Taxonomic Note
The Attacini: Saturniinae: is directly supported by taxonomic sources citing Hyalophora cecropia, but tribal-level diagnostic characters are not specified in available materials.
Conservation Concern
agents, specifically the Compsilura concinnata brought to North America for management, have been documented reducing Attacini throughout New England.