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Genus Xyela

And another Xyelid.. - Xyela - male What is this?  Found on Hazelnut leaf - Xyela Xyelid sawfly showing crazy palpi! - Xyela - female B - Xyela sawfly - Xyela middlekauffi - female Sawfly - Xyela - male donut head bug - Xyela donut head bug - Xyela
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 Xyelidae (Xyelid Sawflies)
Subfamily Xyelinae
Genus Xyela
Explanation of Names
Xyela Dalman 1819
Greek xyela (ξυη'λη) a wood-cutting tool (plane or rasp)(1)
18 spp. in our area, ~30 total(2)
3-7 mm
Holarctic, extending in the South into the the Oriental and Neotropic realms.
early spring
Larvae feed in staminate flowers (most spp.) or in shoots (one species) of pines(2)
Life Cycle
One flight per year, usually in spring, coinciding with development of staminate cones of pines. Larvae take 2-3 weeks to develop, then drop to ground, construct earthen cells, and overwinter as prepupae (Burdick 1961 fide Greenbaum 1974)
Blank, S. M.; Shinohara, A.; Altenhofer, E. 2013: The Eurasian species of Xyela (Hymenoptera, Xyelidae): taxonomy, host plants and distribution. Zootaxa 3629(1): 1-106.
Print References
Burdick D.J. (1961) A taxonomic and biological study of the genus Xyela Dalman in North America. University of California publications in entomology 17(3): 285-355
Greenbaum H.N. (1974) A new Xyela (Hymenoptera: Xyelidae) from Florida. The Florida Entomologist 57: 104-106 (Link)
Works Cited
1.The Century Dictionary: an encyclopedic lexicon of the English language
2.The genera and subgenera of the sawflies of Canada and Alaska (Hymenoptera: Symphyta)
Goulet H. 1992. The insects and arachnids of Canada, Pt. 20. Ottawa: Agriculture Canada. 235 pp.