Heart and club
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Noctuidae
Genus: Agrotis
Species:
A. clavis
Binomial name
Agrotis clavis
(Hufnagel, 1766)
Synonyms
  • Euxoa corticea

The heart and club (Agrotis clavis) is a moth of the family Noctuidae. It is distributed throughout the Palearctic realm.

Mounted

The common name of this species refers to the supposed shapes of the bold dark stigmata on the usually pale forewings. In this species all the stigmata have a rounded shape, contrasting with the elongated claviform stigmata of the much commoner heart and dart. The hindwings are grey, usually much darker than in heart and dart and turnip moth. The differences are not consistent however; they are highly variable in both colour and markings, and identification of atypical or worn examples may prove impossible without examination of genitalia.See Townsend et al.[1] The wingspan is 35–40 mm. The main habitat is calcareous grassland. The moth flies at night in June and July and is attracted to light and sugar.

larva

The larva , which is, when adult, dark brown with a pattern of black dots feeds on a variety of herbaceous plants (see list below). The young larva feeds on the leaves of the food plant, later feeding on the roots. It overwinters as a full-grown larva in a cavity in the soil before pupating in the spring.

  1. ^ The flight season refers to the British Isles. This may vary in other parts of the range depending on the weather.

Recorded host plants

Illustrated male
Illustrated female

Full list at reference.[2]

Subspecies

  • A. c. clavis - Europe
  • A. c. corsa - Corsica

References

  1. ↑ Martin C. Townsend, Jon Clifton and Brian Goodey (2010). British and Irish Moths: An Illustrated Guide to Selected Difficult Species. (covering the use of genitalia characters and other features) Butterfly Conservation.
  2. ↑ "Robinson, G. S., P. R. Ackery, I. J. Kitching, G. W. Beccaloni & L. M. Hernández, 2010. HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London".
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