Himacerus major

(Costa, 1842)

Grey Damsel Bug

Himacerus major is a Holarctic damsel bug in the Nabidae, commonly known as the Grey Damsel Bug. It is widely distributed across Europe, from Scandinavia and the British Isles to the Caucasus, as well as in North America. The inhabits diverse grassy environments regardless of humidity levels, from dry dunes to wet shorelines, but is notably absent from woodland. It is an active with documented observations of feeding on Auchenorrhyncha.

Himacerus major by (c) Barry Walter, some rights reserved (CC BY), uploaded by Barry Walter. Used under a CC-BY license.Himacerus major by (c) Barry Walter, some rights reserved (CC BY), uploaded by Barry Walter. Used under a CC-BY license.Himacerus major by (c) Barry Walter, some rights reserved (CC BY), uploaded by Barry Walter. Used under a CC-BY license.

Pronunciation

How to pronounce Himacerus major: /hɪˈmæsərəs ˈmeɪdʒər/

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Images

Habitat

Occurs in many different with grass, regardless of humidity level. Found on very dry dune habitats, nutrient-poor grasslands, wet shores of waters without woody vegetation, and inland salt places. Absent from woodland. Occurs in very large numbers near the coast of the Northern Baltic Sea.

Distribution

Holarctic distribution. Range extends from South Scandinavia and southern British Isles across West Europe including the Western Mediterranean, through Central and Eastern Europe to the Caucasus. Also present in North America.

Seasonality

occur from July, rarely from late June, and are active mainly in August and September. Nymphs occur from May and can be observed through autumn. Overwinters as , which females insert in grass.

Diet

Specific prey range unknown. Has been observed sucking on Auchenorrhyncha.

Life Cycle

occurs as the . Nymphs emerge from May onward and can be observed into autumn. appear from July (rarely late June) and are most active in August and September. Females insert eggs into grass.

Behavior

Young nymphs live predominantly on the ground. Older nymphs and may be encountered at night in higher vegetation such as shrubs. During the day they hide in ground litter, grass, or similar cover.

Ecological Role

; has been observed feeding on Auchenorrhyncha. Specific ecological role otherwise not well documented.

More Details

Vertical stratification by life stage

The exhibits distinct vertical stratification: young nymphs are ground-dwelling, while older nymphs and may climb into higher vegetation at night.

Sources and further reading