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Fall Fund Drive


Family Xyelidae - Xyelid Sawflies

Xyelid? - Xyela sawfly - Xyela sawfly - Xyela - female Xyela What is this?  Found on Hazelnut leaf - Xyela Eating my pecan tree leaves... - Megaxyela major Sawfly? - Macroxyela ferruginea Xyela - female
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
Synonyms and other taxonomic changes
Xyelidae Newman 1834(1)
~30 spp. in 5 genera in our area(2)
5-10 mm(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
associated with pines (or other trees), sometimes found on flowers; uncommonly seen
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)
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.