Coleophora calycotomella Stainton, 1869
new broom case-bearer

Cytisus scoparius, Belgium, prov. Namur, Couvin, Gonrieux © Stéphane Claerebout

seen from above the case appears extraordinary flattened

feeding traces on the twig

Cytisus scoparius, Belgium, prov. Namur, Houyet © Jean-Yves Baugnée

Cytisus scoparius, Belgium, prov. Namur, Vierves-sur-Viroin, RN Chamousias, leg. Sébastien Carbonnelle © Stéphane Claerebout

same case, dorsal view

Cytisus fantanesii, Spain, Almería, Dalias, Rambla de la Maleza © Pete and Ginny Clarke; the larvae has been bred, identification confirmed by Jukka Tabell
Cytisus scoparius (drawing by Sjaak Koster, in Huisman & Koster, 1994a)
case
Larva in a composite leaf case, ventrally weakly keeled, with a mouth angle of c. 30°. The frontal (youngest) leaf fragment is brown and hairy, the older parts are pale and almost smooth. The case is slender, c. 18 mm long, and bears a strong resemblance to the spines of most of its hostplants (Hering, 1957a).
host plants
Fabaceae, oligophagous
Adenocarpus; Calicotome; Chronanthus biflorus; Cytisus fontanesii, scoparius.
phenology
Larvae are full-grown around March, May (Hering, 1957a; Toll, 1962a).
BENELUX
BE recorded (De Prins & Spronck, 2004a).
NE recorded (van Nieukerken ao, 1993a; Microlepidoptera.nl, 2009).
LUX recorded (Fauna Europa, 2009).
distribution within Europe
From the Netherlands and Germany to the Iberian Peninsula, Sardinia, Sicily, and Crete (Fauna Europa, 2009).
references
Baldizzone (1978b, 1979a, 1982e, 1983c, 1988b, 1990b), Biesenbaum & van der Wolf (1999a), Hering (1957a), Huisman & Koster (1994a), Huisman, Koster, van Nieukerken & Ulenberg (2001a), Klimesch (1942a), Nel (1992b), van Nieukerken, Gielis, Huisman ao (1993a), Patzak (1974b), De Prins & Spronck (2004a), De Prins & Steeman (2011a, 2014a), Szabóky, Tokár & Pastorális (2007a), Toll (1962a).