The Diprionidae are a small family of conifer-feeding sawflies (thus the common name conifer sawflies, though other Symphyta feed on conifers) restricted to the Northern Hemisphere, with some 90 species in 11 genera worldwide. Larvae are often gregarious, and sometimes there can be major outbreaks, thus these wasps can be major forest pests at times.

The family is distinctive in having antennae

Antenna (biology)

Antennae in biology have historically been paired appendages used for sensing in arthropods. More recently, the term has also been applied to cilium structures present in most cell types of eukaryotes....

 with about 20 flagellomeres, and serrate or pectinate.

External links

• Neodiprion spp. on the UF
  University of Florida
  The University of Florida is an American public land-grant, sea-grant, and space-grant research university located on a campus in Gainesville, Florida. The university traces its historical origins to 1853, and has operated continuously on its present Gainesville campus since September 1906...
  
   / IFAS
  Institute of Food and Agricultural Sciences
  The University of Florida’s Institute of Food and Agricultural Sciences is a federal-state-county partnership dedicated to developing knowledge in agriculture, human and natural resources, and the life sciences, and enhancing and sustaining the quality of human life by making that information...
  
  Featured Creatures Web site