Article · Wikipedia archive · Last revised Aug 1, 2026

Cladius difformis

Cladius difformis, the bristly rose slug, is a species of common sawfly in the family Tenthredinidae. They go through several generations a year. The larvae can cause damage to roses, raspberries and strawberries. The species is native to the Palaearctic, but was probably accidentally introduced in the Nearctic.

Last revised
Aug 1, 2026
Read time
≈ 1 min
Length
155 w
Citations
5
Source
Wikipedia ↗
Cladius difformis
Adult female
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Insecta
Order: Hymenoptera
Suborder: Symphyta
Family: Tenthredinidae
Genus: Cladius
Species:
C. difformis
Binomial name
Cladius difformis
(Panzer, 1799)

Cladius difformis, the bristly rose slug, is a species of common sawfly in the family Tenthredinidae.123 They go through several generations a year. The larvae can cause damage to roses, raspberries and strawberries.4 The species is native to the Palaearctic, but was probably accidentally introduced in the Nearctic.5

Life cycle

  • Larva
    Larva
  • Pupa, dorsal view
    Pupa, dorsal view
  • Pupa, ventral view
    Pupa, ventral view
  • Female
    Female
  • Male
    Male
References

References

  1. "Cladius difformis". Integrated Taxonomic Information System. Retrieved 2018-05-05.
  2. "Cladius difformis (Panzer)". Catalogue of Life. Species 2000: Leiden, the Netherlands. Retrieved 12 May 2026.
  3. "Cladius difformis". Global Biodiversity Information Facility. Retrieved 2018-05-05.
  4. Marchiori, Carlos Henrique (28 February 2022). "Life history of Tenthredinidae Family (Insecta: Hymenoptera)". International Journal of Science and Technology Research Archive. 2 (1): 068–081. doi:10.53771/ijstra.2022.2.1.0028. S2CID 247343850.
  5. "Cladius difformis Species Information". BugGuide.net. Retrieved 2018-05-05.