Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Monophadnoides rubi - Raspberry Sawfly

Spiny Caterpillar - Monophadnoides rubi Raspberry sawfly, Monophadnoides rubi - Monophadnoides rubi Tenthredinidae, Raspberry sawfly, Monophadnoides rubi - Monophadnoides rubi Monophadnoides rubi larva? - Monophadnoides rubi Raspberry Sawfly larva - Monophadnoides rubi sawfly larva - Monophadnoides rubi Raspberry Sawfly larva - Monophadnoides rubi Caterpillar - Monophadnoides rubi
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 Blennocampinae
Tribe Blennocampini
Genus Monophadnoides
Species rubi (Raspberry Sawfly)
Synonyms and other taxonomic changes
=geniculatus Hartig 1837
Explanation of Names
Monophadnoides rubi (Harris 1845)
average ♂ 6.5 mm, ♀ 6.1 mm(1)
"A number of genera have similar spines, but not so long and branched in M. rubi, the spines on the subspiracular lobe (second row from bottom) have the anterior spine bifurcate and the posterior spine simple; the spines on the surpedal lobe (bottom row) have the anterior spine simple, and the posterior one bifurcate." -Dave Smith
Holarctic (much of NA and n. Eurasia)(1)(2)
on various Rosaceae (Rubus & some other genera)(1)(2)
Life Cycle
larval life short: 2 weeks from hatching to leaving the host to pupate in the soil; remain in the cocoon until next spring(3)
Internet References
Works Cited
1.Nearctic sawflies. I. Blennocampinae: Adults and larvae (Hymenoptera: Tenthredinidae)
D.R. Smith. 1969. Agricultural Research Service, USDA Technical Bulletin No. 1397. 179 pp.
2.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.
3.Garden Insects of North America : The Ultimate Guide to Backyard Bugs (Princeton Field Guides)
Whitney Cranshaw. 2004. Princeton University Press.
4.Manitoba Agriculture, Food and Rural Initiatives: Insect fact sheets