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Eudonia is a large and widespread genus in the grass moth family (Crambidae), subfamily Scopariinae. There is no common name for the roughly 250 species placed here; new species are still being described regularly. Although the genus was proposed early in the 19th century, many of these moths were for a long time retained in Scoparia, the type genus of the subfamily and a close relative of Eudonia. A few small genera have been proposed for separation from Eudonia, but given the size of this group this is not particularly convincing; thus, all are retained here pending a comprehensive phylogenetic review.
They are usually greyish-brownish and rather inconspicuous moths, though some are more boldly patterned in blackish, pale and even yellow hues. Like their close relatives, they lack the loop formed by forewing veins 1a/1b, and their labial palps are elongated and project straightly, appearing like a pointed "beak". The genitals have a characteristically simple shape in this genus; while they cannot usually be depended upon to differ significantly between species, they allow to distinguish this genus from similar moths. In the males, the clasper's harpe has few if any unusual features, the aedeagus is usually a rather nondescript rod, and the vesica bears a characteristic small disc with a grainy surface. In females, the ductus bursae is kinked at the junction of the forward (membranous) and hind (sclerotized) parts, with a particularly heavy sclerotized triangle bearing small teeth half-hidden in the kink.[1]
They are common across the world's continents except in deserts, on high mountains, and in glaciated areas. They are apparently able to disperse well over water, as evidenced by the Polynesian radiations which occur mainly from Hawaiian Islands to the Austral Islands as well as on New Zealand; several of these island endemics might nowadays be rare or extinct due to the disappearance of their food plants, but overall the genus is not yet very well studied. As far as is known, the caterpillar larvae of most Eudonia feed on mosses, namely of subclasses Bryidae and Dicranidae; some also eat lichen. In a few cases, other food plants have been recorded or suspected, such as Colobanthus pearlworts or woody asterids of genus Olearia (daisy-bushes).[2]
Eudonia is a large and widespread genus in the grass moth family (Crambidae), subfamily Scopariinae. There is no common name for the roughly 250 species placed here; new species are still being described regularly. Although the genus was proposed early in the 19th century, many of these moths were for a long time retained in Scoparia, the type genus of the subfamily and a close relative of Eudonia. A few small genera have been proposed for separation from Eudonia, but given the size of this group this is not particularly convincing; thus, all are retained here pending a comprehensive phylogenetic review.
Eudonia est un genre d'insectes de l'ordre des lépidoptères (papillons).
Eudonia est un genre d'insectes de l'ordre des lépidoptères (papillons).
Eudonia is een geslacht van nachtvlinders uit de familie van de grasmotten (Crambidae). De soorten in onze omgeving gelden als moeilijk van elkaar te onderscheiden.
Eudonia is een geslacht van nachtvlinders uit de familie van de grasmotten (Crambidae). De soorten in onze omgeving gelden als moeilijk van elkaar te onderscheiden.
Eudonia é um gênero de mariposa pertencente à família Crambidae.[1]
Kristensen, N.P. (Ed.). 1999. Lepidoptera, Moths and Butterflies. Volume 1: Evolution, Systematics, and Biogeography. Handbuch der Zoologie. Eine Naturgeschichte der Stämme des Tierreiches / Handbook of Zoology. A Natural History of the phyla of the Animal Kingdom. Band / Volume IV Arthropoda: Insecta Teilband / Part 35: 491 pp. Walter de Gruyter, Berlin, New York.
Eudonia là một chi bướm đêm thuộc họ Crambidae.
