Species Details

ABH: 70.074

BF: 1777

Family: Geometridae

Subfamily: Larentiinae

Taxon: Hydriomena furcata

Authority: (Thunberg, 1784)

Vernacular: July Highflyer

Account: Common in a wide range of habitats, including coppiced woodland, fens, heathland, scrub, parks, gardens and moorland throughout the British Isles. The main confusion species, May Highflyer H. impluviata and Ruddy Highflyer H. ruberata, are largely over before July Highflyer begins to emerge; in addition, July Highflyer has a single apical streak, the other two species have two or three short, parallel apical streaks. Larva feeds on Hazel, Creeping Willow, Bilberry and Heather.

Accounts provided by and used with the kind permission of Mike Wall, Hampshire County Moth Recorder. These will in due course be gradually replaced with species accounts with a Surrey context.

Wingspan: 26 — 39 mm

Surrey Flight Period: 7 Jun (1996) — 3 Sep (1991)

The flight period of overwintering adults are not given. See the flight chart below the distribution map.

Foodplant: Calluna sp., Corylus sp., Salix sp. (a sallow), Vaccinium myrtillus (Bilberry).

Foodplant accounts are from the HOSTS database — Natural History Museum, London, UK. (CC0).

Status: Least Concern (LC)

UK BAP:

WCA:

Click here to view the full geology map of Surrey.

Verification Grade: 1 — Relatively easily identified 👌

Further Information: https://www.ukmoths.org.uk/species/hydriomena-furcata/

Statistics

* Based on adult records only.

Records: 848

Individuals: 1876

Earliest Year: 1899

Latest Year: 2023

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