Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Cladius difformis - Bristly Rose Slug

Sawfly larvae on rose bush in December - Cladius difformis Sawfly larvae on rose bush in December - Cladius difformis - male sawfly - Cladius difformis - female Cute little Sawfly larva - Cladius difformis what species´╝č - Cladius difformis - female Bristly Rose Slug - Cladius difformis Sawfly on Rose - Cladius difformis Sawfly on Rose - Cladius difformis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Tenthredinidae (Common Sawflies)
Subfamily Nematinae
Tribe Cladiini
Genus Cladius
Species difformis (Bristly Rose Slug)
Synonyms and other taxonomic changes
often considered as synonymous to Cladius pectinicornis (Geoffroy 1785)(1), but Dr. D.R. Smith maintains that the two are distinct species, with C. pectinicornis being strictly Palaearctic
Explanation of Names
Cladius difformis (Panzer 1799)
Size
5-7 mm(2)
Identification

"Few sawflies have hairs such as this. Rather long hairs on body, prolegs on abdominal segments 2-7 and 10, and feeding on rose pretty well narrows this down to the bristly roseslug." --Dr. Smith's comments
Range
Native to the Palaearctic; probably introduced in North America(2)
Food
Larvae feed on rose leaves, raspberry and strawberry; skeletonizing at first and eating all the leaf tissues but the veins when they get bigger.
Life Cycle
They go through multiple generations a year, if the weather stays warm.
Remarks
may damage raspberry and strawberry(2)
Internet References
Fact sheet (Rosetta 2009)(3)