Isochnus

Thomson, C.G., 1859

Isochnus is a of in the , tribe Rhamphini. occur in Europe and North America. At least one species, Isochnus sequensi, is a on willows (Salix). The genus is sometimes referred to as '-weevils', suggesting jumping ability.

Isochnus sequensi by no rights reserved, uploaded by Stephen James McWilliam. Used under a CC0 license.Isochnus sequensi by (c) Thilina Hettiarachchi, some rights reserved (CC BY), uploaded by Thilina Hettiarachchi. Used under a CC-BY license.Isochnus sequensi by no rights reserved, uploaded by Stephen James McWilliam. Used under a CC0 license.

Pronunciation

How to pronounce Isochnus: //ˈaɪsoʊknəs//

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Images

Distribution

Europe and North America. GBIF records document presence in Denmark, Norway, and Sweden.

Host Associations

  • Salix fragilis L. (crack willow) - leaf mining by Isochnus sequensi
  • Cirrospilus pictus (Eulophidae) - of Isochnus sequensi
  • Cirrospilus diallus (Eulophidae) - of Isochnus sequensi
  • Minotetrastichus frontalis (Eulophidae) - of Isochnus sequensi
  • Chrysocharis nephereus (Eulophidae) - of Isochnus sequensi

Behavior

Leaf mining on willow leaves has been observed in Isochnus sequensi. The '-' implies jumping ability, though this has not been explicitly documented in the available sources.

Ecological Role

/ on willows; serves as for multiple eulophid .

More Details

Species list

The includes: Isochnus angustifrons (Hustache, 1931), I. arcticus (Korotyaev, 1976), I. (Erichson, 1902), I. foliorum (O.F. Müller, 1764), I. goniophallus (Anderson, 1989), I. kamchaticus (Morimoto, 2000), I. populi (Hustache, 1931), I. saliceti (Hustache, 1931), and I. sequensi (Stierlin, 1894).

Sources and further reading