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Species Allantus cinctus - Curled Rose Sawfly

Inch Worm or Caterpillar? - Allantus cinctus sawfly larva on rose - Allantus cinctus Curled Rose Sawfly larva - Allantus cinctus Sawfly ID please…. Allantus mellipes perhaps?? - Allantus cinctus - female Allantus cinctus? - Allantus cinctus Allantus cinctus Allantus cinctus Allantus cinctus
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 Allantinae
Tribe Allantini
Genus Allantus
Species cinctus (Curled Rose Sawfly)
Other Common Names
Banded Rose Sawfly(1), Coiled Roseworm(2)
Explanation of Names
Allantus cinctus (Linné 1758)
♂ 6.4-6.7 mm, ♀ 8.0-8.5 mm, late instar larva 13-21 mm(2)
Larva is light green with white dots and an orange head. Curls up like a snail, usually on undersides of leaves
native to, and common across Eurasia, probably adventive in NA: ne. NA (NF-VA to ON-IL) & BC-WA(2)(3)
Larvae May-Jun in MN, into Sep in NY
hosts: Rosa, Fragaria(2)
Rose leaves, new growth and pruned canes. Early stages skeletonize leaves, mature larvae eat leaves from margins to veins, leaving only veins behind.
Life Cycle
bivoltine(4); see also(1)
pest of cultivated roses(2); damage, especially to pruned canes, can open rose plants up to secondary fungal infections
most damage occurs when larvae dig pupal chambers in the cane pith(4)
an early (pre-1867) import in NA(2)
Internet References
Rose Sawflies (Villegas 2002)
Works Cited
1.Pests of ornamental trees, shrubs and flowers: a colour handbook. 2nd ed.
Alford D.V. 2012. Academic Press. 480 pp.
2.Nearctic sawflies. IV. Allantinae: Adults and larvae (Hymenoptera: Tenthredinidae)
Smith D.R. 1979. Agricultural Research Service, USDA Technical Bulletin No. 1595. 172 pp.
3.Keys to the insects of the European part of the USSR. Vol. 3. Hymenoptera. Part 6.
Zhelokhovtsev A.N., Tobias V.I., Kozlov M.A. 1993. Keys to the Fauna of the USSR 158: 1-432.
4.Garden Insects of North America : The Ultimate Guide to Backyard Bugs (Princeton Field Guides)
Whitney Cranshaw. 2004. Princeton University Press.
5.NatureSpot: recording the wildlife of Leicestershire and Rutland