Oligia latruncula

Tawny marbled minor
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Noctuidae
Genus: Oligia
Species: O. latruncula
Binomial name
Oligia latruncula
(Denis & Schiffermüller, 1775)

The tawny marbled minor (Oligia latruncula) is a species of moth belonging to the family Noctuidae. It is distributed throughout Europe from northern Scotland and middle Fennoscandia in the North and then South to central Spain, Sicily and Greece. In the East, the species ranges to Western Asia.In the Alps it rises to an altitude of 2000 meters.


This species is extremely similar to the marbled minor (Oligia strigilis) and the rufous minor (Oligia versicolor) and specific identification usually requires close study of the genitalia. See Townsend et al. [1] for genitalia images and an identification key. With a wingspan of 24–27 mm, O. latruncula is usually the smallest of the three, although they all overlap in size. Well marked specimens often have noticeably dark forewings, with blackish basal area and coppery brown, rather than whitish, subterminal band. However, melanism is very common in this species and all-dark specimens constitute 100% of the population in some areas. O. latruncula flies at night from May to August and is attracted to light and sugar.

The larva feeds internally on the stems of various grasses including Calamagrostis and Dactylis, .[2] pupating in a cocoon among the roots. This species overwinters as a larva.

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

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 pdf
  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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