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TaxonomyBrowse
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Genus Apantesis

Ornate Tiger Moth - Apantesis ornata Arctiidae: Grammia virguncula? - Apantesis virguncula Grammia species? - Apantesis ornata Erebidae: Grammia virguncula - Apantesis virguncula - female Erebidae: Grammia virgo - Apantesis virgo - female Erebidae: Grammia virguncula - Apantesis virguncula Erebidae: Grammia virgo - Apantesis virgo - female Carlotta's Tiger Moth - Apantesis carlotta-nais-phalerata-vittata
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Erebidae
Subfamily Arctiinae (Tiger and Lichen Moths)
Tribe Arctiini (Tiger Moths)
Subtribe Arctiina
Genus Apantesis
Synonyms and other taxonomic changes
Apantesis Walker 1855 (1)
Grammia Rambur, 1866 (2)
Explanation of Names
?The first author was presumably Thaddeus William Harris 1841, A report on the insects of Massachusetts injurious to vegetation), see biographical note at Gray Herbarium, also here.
Apantesis is Greek, and is usually translated as "meeting" or "official greeting". Power and Sedgwick, The New Sydenham Society's Lexicon of Medicine and The Allied Sciences (1881), via Google books, gives the meaning of apantesis (απαντησισ) as the act of going to meet, opposition, antagonism, an event or consequence of disease.
Another possibility for the origin of the name is Greek apanthesis (απανθησισ), meaning the time of plucking flowers, time of floral fading (Power and Sedgwick, 1881). There is a fossil genus of butterflies with this name, Apanthesis Scudder 1889.
Numbers
Nearctica.com (3) lists four species for North America.
Size
Wingspan 3-4 cm
Identification
Medium-sized tiger moths with very dark forewings. Identification of species is difficult, and the taxonomy may still be rather confused. See photo, print references.
Range
Eastern and Central North America
Habitat
Varied, near fields, lawns.
Season
Summer into early fall
Food
Adults probably do not feed.
Life Cycle
Larvae feed on herbs, such as dandelion. Life history refers to three eastern species described by Covell (4)

Remarks
There is no 100% consistent diagnostic characteristic in wing maculation or spots/no spots on the patagia (the "collar"), to reliably distinguish nais/carlotta/phalerata/vittata. The only full-proof method is dissection and examination of genitalia (the exception is in male phalerata, in which the valve is easily distinguished by its longer, up-curved apex. So one could brush the scales away from the last sternite and see it without dissection. The nais/carlotta/vittata group have rather blunt and rounded apices of the valve.)

However, within this group, using the sum of typical (although not necessarily diagnostic) characteristics, can allow for a reasonably probable species ID.
-- J.D. Roberts
Print References
Covell, pp. 69-70, plate 15 (4) (Apantesis)
Covell, pp. 70-72, plates 14-16 (4) (Grammia)
Schmidt, B. Christian, 2009. 'Taxonomic revision of the genus Grammia Rambur (Lepidoptera: Noctuidae: Arctiinae)'; Zoological Journal of the Linnean Society, 156, 507–597. With 135 figures
Internet References
Maryland Moths--A phalerata
Maryland Moths--A. nais
Clemson Univ.--A. phalerata
North Carolina State University Entomology lists several species for the state--this could represent older or newer taxonomy than in nearctica.com.
Works Cited
1.List of the Specimens of Lepidopterous Insects in the Collection of the British Museum
Walker, F. 1855. List Spec. Lepid. Insects Colln Br. Mus. Vol. 1-3.
2.Putting Parasemia in its phylogenetic place: a molecular analysis of the subtribe Arctiina (Lepidoptera)
Katja Rönkä, Johanna Mappes, Lauri Kaila, and Niklas Wahlberg. 2016. Systematic Entomology.
3.Nearctica: Nomina Insecta Nearctica
4.Peterson Field Guides: Eastern Moths
Charles V. Covell. 1984. Houghton Mifflin Company.