Nedra ramosula
Guenée, 1851
Gray Half-Spot
Nedra ramosula, known as the Gray Half-Spot, is a noctuid native to eastern and central North America. are medium-sized with variable wingspans and exhibit an extended season spanning spring through fall. The species has been documented in substantial numbers on iNaturalist, indicating it is frequently encountered by observers.
Pronunciation
How to pronounce Nedra ramosula: /ˈnɛ.dra raˈmɔ.su.la/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
The Gray Half-Spot can be distinguished from similar noctuids by the partial or 'half-spot' marking on the forewing, from which its derives. The gray coloration and size range (28–48 mm wingspan) help separate it from smaller or more brightly patterned . Examination of genitalia may be required for definitive identification of worn specimens.
Images
Distribution
Eastern and central North America, ranging from Manitoba and Newfoundland south to Florida and west to Texas. Present in Vermont.
Seasonality
are active from April through October depending on latitude: May to September in Ontario, April to October in Ohio. This indicates a multivoltine or continuously brooded with extended adult presence.
Diet
Larvae feed on Hypericum (St. John's wort). feeding habits are not documented.
Host Associations
- Hypericum - larval food plantLarvae feed on in this .
Similar Taxa
- Other Nedra species share gray coloration and noctuid ; half-spot pattern distinguishes N. ramosula.
- General gray noctuidsMany Noctuidae exhibit similar ground color; forewing pattern and size range help differentiate.
More Details
Taxonomic history
Originally described as Cloantha ramosula by Guenée in 1851, later transferred to Nedra.