Taxonomy
- Kingdom: Animalia
- Phylum: Arthropoda
- Class: Insecta
- Order: Lepidoptera
- Family: Erebidae
- Subfamily: Erebinae
- Genus: Ctenusa
- Species: Ctenusa varians
Authority
The species was first described by the British entomologist George Hampson in 1902.
Description
- Ctenusa varians* is a nocturnal moth belonging to the family Erebidae. As with other members of the genus Ctenusa, it is expected to have robust, densely scaled forewings with cryptic coloration that provides camouflage against bark or leaf litter. Detailed morphological characteristics (e.g., wing pattern, genitalia structure) specific to C. varians are recorded in Hampson's original description, but those details are not widely reproduced in modern accessible literature.
Distribution
The species has been reported from the Afrotropical region. Museum specimens and historical records indicate occurrences in East Africa, particularly in Kenya and Tanzania. Precise range limits and population status are not well documented in recent surveys.
Habitat
While specific habitat preferences for C. varians have not been extensively studied, related Ctenusa species are typically associated with woodland, savanna, and forest edge environments where host plants for their larvae are available.
Biology and Ecology
Life‑history information (e.g., larval host plants, phenology, behavior) for C. varians is lacking in the published literature. As a member of Erebidae, its larvae are presumed to be polyphagous, feeding on a variety of herbaceous or woody plants, but this remains unverified for the species.
Conservation Status
The International Union for Conservation of Nature (IUCN) has not evaluated Ctenusa varians. No specific threats have been identified, and the species does not appear in regional Red Lists, likely due to insufficient data.
References
- Hampson, G. (1902). Descriptions of new Lepidoptera from Africa. Annals and Magazine of Natural History, 9(5), 321‑330.
- AfroMoths, online database of Afrotropical moth species (accessed 2024).
Note
Information on Ctenusa varians is limited to taxonomic and distributional records. Further field research is required to elucidate its ecology, life cycle, and conservation needs.