Janus (sawfly)

Janus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Cephidae
Subfamily:	Cephinae
Tribe:	Hartigiini
Genus:	Janus ; Stephens, 1829

Last updated October 18, 2025

Janus is a genus of stem sawflies in the family Cephidae. There are about five described species in Janus.^[1]^[2]^[3]^[4]

Species

These five species belong to the genus Janus:

Janus abbreviatus (Say)^{i c g}
Janus compressus (Fabricius, 1793)^g
Janus cynosbati (Linnaeus, 1758)^g
Janus integer (Norton)^{i c g b} (currant stem girdler)
Janus luteipes (Lepeletier, 1823)^g

Data sources: i = ITIS,^[1] c = Catalogue of Life,^[2] g = GBIF,^[3] b = Bugguide.net^[4]

References

1 2 "Janus Report". Integrated Taxonomic Information System. Retrieved 2018-05-01.
1 2 "Browse Janus". Catalogue of Life. Retrieved 2018-05-01.^{[ dead link ]}
1 2 "Janus". GBIF. Retrieved 2018-05-01.
1 2 "Janus Genus Information". BugGuide.net. Retrieved 2018-05-01.

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[itis-1] 1 2 "Janus Report". Integrated Taxonomic Information System. Retrieved 2018-05-01.

[catlife-2] 1 2 "Browse Janus". Catalogue of Life. Retrieved 2018-05-01.^{[ dead link ]}

[gbif-3] 1 2 "Janus". GBIF. Retrieved 2018-05-01.

[bugref-4] 1 2 "Janus Genus Information". BugGuide.net. Retrieved 2018-05-01.

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