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

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

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

Family Xyelidae - Xyelid Sawflies

Xyelid and friend.. - Xyela - female little wasp that wouldn't leave! - Xyela - female Xyela Xyelid Sawfly - Xyela - female Xyelid Sawflies on birch catkin - Xyela sawfly - Xyela middlekauffi - female sawfly - Xyela minor - female Sawfly - Xyela
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 Xyelidae (Xyelid Sawflies)
Other Common Names
Pine Catkin Sawflies
Pronunciation
zy-EE-luh-dee
Synonyms and other taxonomic changes
Xyelidae Newman 1834(1)
Numbers
~30 spp. in 5 genera in our area(2)
Size
5-10 mm(2)
Identification
Characteristics(2):
antennae distinctive: antennomere 3 long, with slender, multi-segmented terminal filament, 11-20 segments total
abdomen broadly sessile at base, not constricted
female with protruding ovipositor
Habitat
associated with pines (or other trees), sometimes found on flowers; uncommonly seen
Food
Larvae feed chiefly on male pine cones, new pine shoots, new buds of deciduous trees (2); Xyela --staminate cones of pine, Pleroneura, Xylecia --buds and shoots of firs, other spp. --hickory and elm(3)
Remarks
A small relict family well represented in the fossil record since the Triassic
Works Cited
1.A Dictionary of Entomology
George Gordh, David H. Headrick. 2003. CABI Publishing.
2.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
3.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.