Exyra ridingsii
(Riley, 1874)
Ridings' Pitcherplant Moth, Riding's Pitcherplant Looper Moth
Exyra ridingsii is a small noctuid specialized on pitcher plants (Sarracenia). are active in spring and have a wingspan of 24–31 mm. The is named after James Ridings and is one of several Exyra species that have evolved to exploit pitcher plant .
Pronunciation
How to pronounce Exyra ridingsii: /ɛkˈzaɪ.rə rɪˈdɪŋzi.aɪ/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
The combination of small size (24–31 mm wingspan), spring activity, and exclusive association with Sarracenia pitcher plants helps distinguish this from other noctuids. It may be confused with in the Exyra, which share similar pitcher plant associations; examination of genitalia or larval plant specificity may be required for definitive identification.
Appearance
Small with wingspan of 24–31 mm. Specific coloration and pattern details are not documented in available sources.
Habitat
Wetland containing Sarracenia pitcher plants, particularly Sarracenia flava. Fire-maintained pitcher plant bogs and seepage slopes are occupied habitats.
Distribution
Southeastern United States: North Carolina south through Florida and west to Alabama.
Seasonality
are active in spring. Larval development timing is not documented.
Diet
Larvae feed on Sarracenia flava and occasionally on Sarracenia minor. feeding habits are not documented.
Host Associations
- Sarracenia flava - larval primary
- Sarracenia minor - larval occasional
Life Cycle
Complete with , larva, pupa, and stages. Specific details of developmental timing and stage are not documented.
Behavior
Larvae are specialized feeders on pitcher plant tissue. Specific or larval beyond association are not documented.
Ecological Role
Herbivore specializing on pitcher plants (Sarracenia). May influence pitcher plant growth or serve as prey within the pitcher plant .
Human Relevance
Named after James Ridings. Of interest to entomologists studying plant-insect and pitcher plant . Not known to be of agricultural or economic significance.
Similar Taxa
- Exyra faxCongeneric pitcher plant ; may overlap in range and use
- Exyra semicroceaCongeneric pitcher plant ; similar and
More Details
Nomenclature
Originally described as Xanthoptera ridingsii by Riley in 1874; later transferred to Exyra. The specific epithet honors James Ridings.
Conservation context
Dependent on Sarracenia pitcher plant , which are themselves threatened by loss and fire suppression. Habitat management including prescribed fire may benefit this by maintaining open pitcher plant bog conditions.