| Dasycera oliviella (Fabricius, 1794) |
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Scientific name: Dasycera oliviella (Fabricius, 1794) Common name: French name: Dasycère d'Olivier Order: Lepidoptera Suborder: Microlepidoptera Family: Oecophoridae Subfamily: Oecophorinae Wingspan: 15 mm. Biotope: Forests, parks and gardens with rotting wood. Geographic area: Europe, Near East. Flight time: Late May to August. Number of generations : Caterpillar: Blackish grey with tiny black spots. The cephalic capsule is brown and the prothoracic shield is black. Host plant: Rotting wood, under bark, Hazelnuts (Corylus), Blackthorn (Prunus spinosa), Oaks (Quercus) and other trees and shrubs. |
Dasycera oliviella's fore wings are purple black and finely powdered with pale yellow. They show a yellow triangular basal spot and a yellow median cross band. The median band progressively widens towards the inner edge. You can distinguish a thin silvery cross stripe just after the triangular basal spot and another one between the basal spot and the costal edge. Their visibility greatly depends on the incidence of light. The hind wings are a dull black colour including the long fringe. The antennae are thick and black with a white ring close to the tip. Those of females are thinner than the males' ones. |
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I have observed this nice micro moth on a Hazelnut tree in my garden. |
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You can better see the white ring close to the tip of the antennae on this picture. The rather thin antennae allow me to think that this one is probably a female. |
André Bon March 2016