''Lithophane leautieri'', the Blair's shoulder-knot, is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the other f ...

. It is found in Europe. It originated from the area surrounding the

Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ea ...

, but gradually moved north.

Technical description and variation

The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is 39–44 mm. Forewing pale grey, dusted with olive grey; lines strongly dentate, but much obscured, marked by short oblique costal streaks; upper stigmata ill-defined, but united at their base by a long black line; the reniform with fulvous in lower half; claviform elongate, black-edged, united by a short black streak with outer line; a well-marked black streak from base on submedian fold; submarginal line indicated only by black dentate marks preceding it, of which the two on the folds are longest; fringe mottled dark and light grey; hindwing pale brownish grey, darker towards termen; ab. ''sabinae'' Geyer is rather smaller, blue-grey, more distinctly marked, especially the median shade and submarginal teeth; reniform stigma with hardly any fulvous in it; the two black lines on submedian fold hardly visible.

Biology

The moth flies from September to mid-November. The larva is dark green, dorsal and subdorsal lines white, segmentally swollen and partially interrupted; spiracular line yellowish white. The larvae feed on various

cypress Cypress is a common name for various coniferous trees or shrubs of northern temperate regions that belong to the family Cupressaceae. The word ''cypress'' is derived from Old French ''cipres'', which was imported from Latin ''cypressus'', the ...

species.

Notes

#''The flight season refers to

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...

and

The Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

. This may vary in other parts of the range.''

References

External links

Blair's shoulder-knot at UKmoths
Taxonomy
Fauna EuropaeaLepiforum.deVlindernet.nl
leautieri Moths of Europe Moths described in 1829 Taxa named by Jean Baptiste Boisduval {{Xylenini-stub