Zeiraphera isertana

This record describes Zeiraphera isertana (species). Recorded family: Tortricidae. Recorded order: Lepidoptera.

Identification and Appearance

Zeiraphera isertana - Zeiraphera isertana

Wingspan about 17mm. A variable moth, some showing a distinct pale dorsal blotch and well defined markings, and others with a more obscure appearance. There is often a greenish or olive tinge to some of the markings. The adults fly in July and August and come to light. The larva feed during May and June in folded or spun leaves of oak. This is a fairly common species in suitable habitats throughout much of the British Isles. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common.

Classification

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Tortricidae
Genus: Zeiraphera

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

In oak woodland.

Seasonal Activity

The adults fly in July and August and come to light.

Diet and Behavior

Life History

The larva feed during May and June in folded or spun leaves of oak.

Additional species information

Recorded status

This is a fairly common species in suitable habitats throughout much of the British Isles. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common.

About Butterflies and Moths: the wider group

Order-level background for Lepidoptera, the group containing Zeiraphera isertana. Species-specific details appear above.

Group overview

Lepidoptera includes approximately 180,000 described species of butterflies and moths. Moths outnumber butterflies roughly 10:1. The monarch butterfly's eastern population has declined by more than 80% since the mid-1990s, and the western population by over 95% since the 1980s. The IUCN lists the migratory monarch as Vulnerable.

Ecological role of the group

Butterflies and moths are essential indicators of ecosystem health. As caterpillars, they are a primary food source for birds - a single nest of blue tit chicks requires ~10,000 caterpillars. Adult moths pollinate many night-blooming plants.

Economic and practical significance of the group

Lepidoptera are critical pollinators. In Europe, grassland butterfly species have declined by almost 50% since the early 1990s. In the UK, three-quarters of butterflies are in decline. In the U.S., five butterfly species have gone extinct since 1950, with 29 listed as endangered.

Recorded sources for this group: IUCN Red List, Xerces Society, USFWS, PNAS, WWF. Imported estimates may describe particular regions or reporting periods.

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