Apamea antennata

Smith, 1891

Apamea antennata is a widespread in the forests of western North America. have a wingspan of approximately 44 mm and during early and midsummer. The larval stage feeds on grasses. Two are recognized: the nominate A. a. antennata and A. a. purpurissata restricted to British Columbia.

Apamea antennata by (c) Dave, some rights reserved (CC BY), uploaded by Dave. Used under a CC-BY license.CATALOGUE-BM-PLATE CIX by Sir GEORGE F. HAMPSON, Bart.. Used under a Public domain license.Apamea antennata 01 by CBG Photography Group, Centre for Biodiversity Genomics. Used under a CC0 license.

Pronunciation

How to pronounce Apamea antennata: /əˈpeɪ.miə ænˈtɛnˌneɪ.tə/

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Identification

Distinguished from other Apamea by a combination of geographic distribution (western North forests), period (early to midsummer), and association with grass-feeding . The A. a. purpurissata occurs in British Columbia and may show subtle morphological differences from the nominate subspecies. Specific diagnostic characters for separating A. antennata from other western Apamea species are not documented in available sources.

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Habitat

Forested environments in western North America. Specific forest associations beyond general forest are not documented.

Distribution

Western North America. Specific range boundaries are not precisely documented, but the is described as widespread in western North forests. The A. a. purpurissata is restricted to British Columbia.

Seasonality

period occurs in early and midsummer. Larval stage timing not specified.

Diet

feed on grasses. feeding habits are not documented.

Life Cycle

with , , , and stages. Larvae are grass-feeders. Specific details on site, stage, or time are not documented.

Behavior

are attracted to light. activity pattern inferred from characteristics but not explicitly documented for this .

Ecological Role

Larval on grasses contributes to in forest . Specific ecological impacts or - relationships are not documented.

Human Relevance

Occasionally encountered at light traps by . No significant documented economic or agricultural impacts.

Similar Taxa

  • Other Apamea speciesWestern North Apamea share similar size, , and periods. A. antennata may be distinguished by the specific combination of forest habitat, midsummer flight, and grass-feeding , though precise diagnostic characters require examination.

More Details

Subspecies

Two recognized: Apamea antennata antennata (nominate subspecies) and Apamea antennata purpurissata (British Columbia).

Original Description

Originally described as Xylophasia antennata Smith, 1891; later transferred to Apamea.

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Sources and further reading