Cypress Sawfly vs Swaine Jack Pine Sawfly
Side-by-side species comparison
| Attribute | Cypress Sawfly | Swaine Jack Pine Sawfly |
|---|---|---|
| Scientific Name | Monoctenus juniperi | Neodiprion swainei |
| Order | Hymenoptera | Hymenoptera |
| Family | Diprionidae | Diprionidae |
| Size | 6-8 mm | 6-9 mm |
| Habitat | Gardens | Forests |
| Diet | Herbivores | Omnivores |
| Regions | Europe | Eastern Canada, northeastern United States |
| Conservation | Least Concern | Least Concern |
Cypress Sawfly
A small sawfly with pectinate antennae in males whose green larvae feed on juniper and cypress foliage. Heavy infestations can discolor and thin ornamental junipers.
Did You Know?
This is one of the few diprionid sawflies that feeds on cupressaceous conifers rather than the more typical pine or spruce hosts.
Swaine Jack Pine Sawfly
A pine sawfly with strongly pectinate male antennae and sawfly females that are stouter and paler. Larvae are olive green with lighter stripes and feed on jack pine.
Did You Know?
Major outbreaks have historically defoliated millions of hectares of jack pine in Quebec, though populations crash when viral diseases sweep through colonies.