Eilema complana

Eilema complana
Name	Eilema complana
Regnum	Animalia
Phylum	Arthropoda
Classis	Insecta
Ordo	Lepidoptera
Familia	Erebidae
Subfamilia	Arctiinae
Genus	Eilema
Species	E. complana
Binomial	Eilema complana
Binomial authority	(Linnaeus, 1758)

Eilema complana is a species of lichen moth in the subfamily Arctiinae described by Carl Linnaeus in 1758. It occurs across temperate regions and is notable for its subtle grey-yellow wing coloration and affinity for lichen-rich habitats. This moth has been the subject of faunistic surveys and taxonomic treatments in regional catalogs and entomological works.

Taxonomy and Nomenclature

Eilema complana was originally named by Carl Linnaeus in the 10th edition of Systema Naturae and has since been placed in the genus Eilema within the family Erebidae. Taxonomic treatments appear in checklists and monographs by institutions such as the Natural History Museum, London, the Zoological Museum, University of Copenhagen, and regional faunas like the Fauna Europaea project. Synonymies and subspecific opinions have been discussed in revisions published in journals such as Entomologist's Gazette and Nota Lepidopterologica, and the species name follows the binomial nomenclature conventions codified by the International Code of Zoological Nomenclature. Museum specimen records are maintained by collections at the Smithsonian Institution and the Muséum national d'Histoire naturelle.

Description

Adults exhibit a slender, elongated forewing typical of the genus Eilema and a wingspan that places them among small to medium-sized Lepidoptera in temperate Europe and adjacent regions. Descriptive accounts appear in field guides by authors affiliated with the Royal Entomological Society and regional handbooks used by groups such as the British Entomological and Natural History Society. The ground coloration, described in identification keys, is a muted grey to pale yellow with minimal disruptive markings, facilitating comparison with similar arctiine taxa treated in comparative plates in works from the Natural History Museum, London and the European Invertebrate Survey.

Distribution and Habitat

The species is recorded widely across temperate Europe and parts of western Asia in distribution atlases compiled by the Centre for Ecology & Hydrology and national biodiversity infrastructures such as the Joint Nature Conservation Committee and the Swedish Species Information Centre. Habitats include lichen-rich woodlands, heathland margins, and urban parks surveyed by local naturalist societies like the Linnean Society of London and county moth recorders associated with the British Trust for Ornithology. Occurrence data are aggregated in databases maintained by the Global Biodiversity Information Facility and regional museums including the Natuurhistorisch Museum Leiden.

Life Cycle and Behavior

Life history observations have been reported in natural history notes published in periodicals of the Entomological Society of America and European equivalents. Adults are nocturnal and are active in a flight period documented in seasonal phenology charts produced by the Meteorological Office and entomological recording schemes. Larval development on lichen substrates and pupation behavior in sheltered microhabitats are described in field studies associated with university departments such as the Department of Zoology, University of Oxford and the Department of Ecology and Evolutionary Biology, University of Vienna.

Feeding and Ecology

Larvae feed primarily on lichens and algae growing on bark and rocks, a trophic association noted in ecological surveys conducted by the British Lichen Society and in trophic studies published in journals like Ecology and Journal of Insect Science. These feeding habits link the species to epiphytic communities studied by researchers at the Royal Botanic Gardens, Kew and the University of Helsinki and contribute to nutrient cycling documented in ecosystem reports from the European Environment Agency. Interactions with sympatric moth species are discussed in community ecology treatments from the Max Planck Institute for Chemical Ecology and regional conservation groups.

Predators and Parasites

Predation on adults and larvae by insectivorous birds such as species monitored by the Royal Society for the Protection of Birds and by bats surveyed by the Bat Conservation Trust is inferred from faunal studies. Parasitoid interactions, including hymenopteran and dipteran parasitoids recorded in parasitology collections at the Natural History Museum, London and university laboratories, have been documented in checklists and host-parasite compilations by the International Society for Invertebrate Pathology.

Conservation and Human Interactions

Conservation status is assessed in national red lists and biodiversity action plans compiled by bodies such as the International Union for Conservation of Nature, the Joint Nature Conservation Committee, and country-level conservation agencies. The moth is generally not considered threatened in much of its range but benefits from habitat management promoted by organisations such as the Royal Horticultural Society and local conservation trusts. Citizen-science recording initiatives run by the National Moth Recording Scheme and regional naturalist networks contribute distributional knowledge and phenology data used by universities and government agencies for monitoring.

Category:Lepidoptera