Bryotropha affinis

This record describes Bryotropha affinis (species). Recorded family: Gelechiidae. Recorded order: Lepidoptera.

Identification and Appearance

Wingspan 11-12 mm. This moth has a variable paler band, sometimes broken, across the forewing about three quarters of the way toward the tip. The moths are on the wing in June and July. The larvae feed on mosses, often on walls during the early part of the year. A fairly frequent species throughout most of Britain. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

Classification

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Gelechiidae
Genus: Bryotropha

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

Habitat and Range

Habitat

Often attracted to lights.

Seasonal Activity

The moths are on the wing in June and July.

Diet and Behavior

Life History

The larvae feed on mosses, often on walls during the early part of the year.

Additional species information

Recorded status

A fairly frequent species throughout most of Britain. 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 Bryotropha affinis. 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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