''Carsia sororiata'', the Manchester treble-bar, is a
moth of the family
Geometridae. The species was
first described by
Jacob Hübner
Jacob Hübner (20 June 1761 – 13 September 1826, in Augsburg) was a German entomologist. He was the author of ''Sammlung Europäischer Schmetterlinge'' (1796–1805), a founding work of entomology.
Scientific career
Hübner was the author of '' ...
in 1813. It is found in northern and central Europe, the
Urals,
Siberia, the Far East, northern
Mongolia and in North America from
Alaska to
Newfoundland
Newfoundland and Labrador (; french: Terre-Neuve-et-Labrador; frequently abbreviated as NL) is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region ...
and to
New Hampshire.
The
wingspan is 20–30 mm. The basic colour of the forewings is slate grey, light grey to white grey. Two distinctive, wide lines cross the front wing. They are light brown, brown to black brown. The interior cross line is almost straight, the exterior cross line is bent and has two outward pointing spikes. The subspecies occurring in Central Europe, ''C. s. imbutata'', has a brownish-yellowish to reddish-brown outer field at the points of the outer cross line. Very elegant lines are sometimes found. In some specimens, the two lines form "bridge" in the posterior half of the wing. The fringes are alternately bright and dark. An apical extension to the reddish-brown field extends from the apex. The egg is at first whitish yellow, becoming deeper yellow. The micropylar rosette is 8-leaved; sides with irregular reticulation, in places undeveloped. The larva is rather stout, of uniform thickness, the dorsal surface rather deep brownish-red, with very fine blackish-red dorsal and subdorsal lines and a broad bright yellow lateral stripe containing at the folds between the middle segments some beautiful red spots; venter pale greenish yellow with paler, dark-edged central line.
[Prout, L. B. (1912–16). Geometridae. In A. Seitz (ed.) ''The Macrolepidoptera of the World''. The Palaearctic Geometridae, 4. 479 pp. Alfred Kernen, Stuttgar]
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Adults are on wing from July to August.
The larvae feed on various '' Vaccinium'' species (including '' V. uliginosum'', '' V. oxycoccos'' and '' V. myrtillus'') as well as ''Rubus arcticus
''Rubus arcticus'', the Arctic bramble or Arctic raspberry, is a species of slow-growing bramble belonging to the rose family, found in arctic and alpine regions in the Northern Hemisphere.
Description
''Rubus arcticus'' grows most often in a ...
''.
Subspecies
*''Carsia sororiata sororiata'' Northern Europe
*''Carsia sororiata alpinata'' Packard, 1873 North America
*''Carsia sororiata labradoriensis'' (Sommer, 1897) Labrador -poorly marked, but is narrow-winged, more brownish grey or tinged with reddish.
*''Carsia sororiata thaxteri'' Swett, 1917 Newfoundland
*''Carsia sororiata columbia'' McDunnough, 1939 North America
*''Carsia sororiata anglica'' Prout, 1937 British Isles
*''Carsia sororiata imbutata'' (Hubner, 1813) Central Europe - much more variegated. Ground-colour more whitish, with sub-basal line and two bands in the median area distinct, brown, distal area from about the 5th subcostal to the 1st median more or less strongly suffused with red-brown. Under surface lighter and more strongly reddish.
References
External links
"70.191 BF1866 Manchester Treble-bar ''Carsia sororiata'' Prout, 1937"
''UKMoths''. Retrieved April 24, 2019.
"''Carsia sororiata'' (Hübner, 1813)"
''Fauna Europaea''. Retrieved April 24, 2019.
*
"08617 ''Carsia sororiata'' (Hübner, [1813
- Moosbeerenspanner"">813">"08617 ''Carsia sororiata'' (Hübner, [1813
- Moosbeerenspanner" ''Lepiforum e.V.''. Retrieved April 24, 2019.
Chesiadini
Moths of Europe
Moths of Asia
Moths of North America
Taxa named by Jacob Hübner
{{Larentiinae-stub