Stilbum cyanurum (Forster, 1771)


Database of the Italian Chrysididae

Stilbum cyanurum (Forster, 1771)

Stilbum cyanurum (Forster, 1771)
Chorology: Sub-Cosmopolitan
Chorology: Sub-Cosmopolitan
Italian distribution of Stilbum cyanurum
Italian distribution

Systematic position of Stilbum cyanurum (Forster, 1771)

Subfamily & Tribe Chrysidinae (Chrysidini) Size (mm)
Size (mm):
Genus & species Stilbum cyanurum (Forster, 1771)
Species group  
Original combination Chrysis cyanura Forster, 1771
Type series Holotypus ♂ (Mus.: London)
Original description Photo of the type
Synonyms and subspecies splendidum (F.), amethistinum (F.), nobile (Sulzer,1776)
Systematic notes [nec Förster]. Varieties: nobile; siculum Tourn.

Geographic distribution of Stilbum cyanurum (Forster, 1771)

World distribution

Type locality Spain
Kimsey & Bohart Oriental: widespread, from tropics to warm areas (Spain)
Linsenmaier CS Europe, Africa, S Asia, China, Indonesia, Australia (Linsenmaier puts also the ssp. siculum)
Other Authors Old world. Maltese islands (Valletta, 1971)
Chorology Sub-Cosmopolitan
Distribution notes  

Geographic distribution of Stilbum cyanurum (Forster, 1771)

Italian distribution according to the Checklist of the species of the Italian Fauna

Macroregion North (N): South (S): Sicily (Si): Sardinia (Sa):

Italian distribution by Administrative Region (Personal evidences, Literature records and other sources)

Adm. Region Literature records FEI records Personal records
Piemonte|Piedmont Buysson, 1890 (as Stilbum splendidum); Abeille, 1879 (as Stilbum splendidum); Strumia, 2002; Rosa, 2005a; Strumia, 2005 (as cyanurum siculum);
Valle d Aosta|Aosta V.
Lombardia|Lombardy Magretti, 1881 (as Stilbum splendidum on Allium cepa, Eryngium campestre, Rubus idaeus and various Ericaceae), 1884; Rosa, 2002; Strumia, 2002; Rosa, 2004; Rosa, 2005a; Strumia, 2005;
Trentino Alto Adige Cobelli, 1903 (as Stilbum splendidum), 1910; Bonelli, 1966; Strumia, 1990; Strumia, 2005;
Veneto Grandi, 1934 (as splendidum siculum); Invrea, 1941b (as cyanurum siculum); Strumia, 2005 (as cyanurum siculum);
Friuli V.G. Graffe, 1895 (as cyanurum nobile; on Trifolium montanum); Ducke, 1901 (as cyanurum nobile; on Ferulago, Dorycnium and Mentha); Kusdas, 1958;
Liguria Mantero, 1899 (as splendidum siculum); Invrea, 1920 (as splendidum siculum), 1922a (as splendidum siculum); Rosa, 2005a; Strumia, 2005 (as cyanurum siculum);
Emilia Romagna Grandi, 1954; Grandi, 1959; Grandi, 1962 (as cyanurum siculum); Rosa, 2004; Rosa, 2005a; Rosa, 2006b; Strumia, 2005;
Toscana|Tuscany Piccioli, 1884 (as Stilbum splendidum); Buysson, 1890 (as Stilbum splendidum), 1897 (as splendidum siculum); Zavattari, 1911b (as Stilbum splendidum); Strumia, 1990; Rosa, 2005a; Rosa, 2006b; Strumia, 2005;
Lazio Lepri, 1910 (as Stilbum splendidum); Grandi, 1934 (as cyanurum siculum); Rosa, 2005a; Strumia, 2005 (as cyanurum siculum);
Abruzzo Strumia, 2005;
Campania Buysson, 1890 (as Stilbum splendidum);
Puglia|Apulia Strumia, 2005 (as cyanurum siculum);
Basilicata Rosa, 2005a; Strumia, 2005;
Calabria Invrea, 1941c (as cyanurum siculum); Rosa, 2005a; Strumia, 2005;
Sicilia|Sicily De Stefani, 1886, 1888 (as Stilbum amethystinum on Mentha as host of Pelopoeus distillatorius), 1894; Riggio, 1888 (as Stilbum amethystinum); Buysson, 1890 (as Stilbum splendidum); Erlandsson, 1972; Strumia, 2005 (as cyanurum siculum);
Sardegna|Sardinia Nadig, 1934; Invrea, 1952 (as cyanurum siculum); Erlandsson, 1972; Rosa, 2004; Strumia, 2005;
Distribution notes Emilia-Romagna (Campadelli et al., 1999)

Biology of Stilbum cyanurum (Forster, 1771)

Known Hosts

Eumenidae   Eumenes unguiculatus (Invrea, 1941, as cyanurum siculum); Eumenes (Berland & Bernard, 1938), Delta (Eumenes) unguiculatum (Grandi, 1951, 1961), Katamenes arbustorum (Mingo et al., 1990)
Sphecidae Pelopoeus distillatorius (De Stefani, 1888); Sceliphron (Berland & Bernard, 1938), Sceliphron (Grandi, 1951, 1961), Sceliphron caementarium (Campadelli et al., 1999), Sceliphron destillatorium and S. madraspatanum (Mingo et al., 1990)
Megachilidae   Chalicodoma (Berland & Bernard, 1938), Megachile (Grandi, 1951, 1961)
Notes on Hosts parasitoid of wasps builder of mud nests (Campadelli et al., 1999)

Known Habitat

Plants for rest/refuge Allium cepa, Eryngium campestre, Rubus idaeus and various Ericaceae (Magretti, 1881); on Mentha (De Stefani, 1888); on Trifolium montanum (Graffe, 1895); on Ferulago, Dorycnium and Mentha (Ducke, 1901); Evonymus, Eryngium, Mentha rotundifolia (Invrea, 1920); on flowers of Evonymus japonicus L. (Invrea, 1920, as cyanurum siculum); Statice, Mentha, Marubium vulgare (Erlandsson, 1972); in Rubus (Invrea, 1920)
Parasites Leptobatides abeillei Buyss. (Ichneumonidae: Phygadeuontinae) (Berland & Bernard, 1938)
Biological notes  

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For citation purposes

Agnoli G.L. & Rosa P. (2020) Stilbum cyanurum (Forster, 1771), in: website. Interim version 09 August 2020, URL: