Virtual Exhibit on Canada's Biodiversity






back to order Hymenoptera
insect database

Habitat
Adults: terrestrial
Immatures: terrestrial

Feeding Habits
Adults:

Immatures:

Size: 1 to 30 mm
Flight : strong flier

North American
Species:
over 800


Hymenoptera Cynipoidea (Superfamily)
Gall wasps

Front Wings: membranous
Hind Wings: membranous
Mouthparts: chewing
Antenna Length: shorter than body
Antenna Shape: straight
Front Legs: unmodified
Hind Legs: unmodified

Special Characteristics: Most species are black, with a shiny abdomen that is flattened from side to side. The wing venation is reduced. Unlike many similar small Hymenoptera, the antennae are not elbowed.

Comments: This superfamily includes parasitic and phytophagous species. Phytophagous larvae often cause galls in plants where they develop and feed.

Species:
Diplolepis spinosa (Family Cynipidae)

Common Name:

Feeding Habits: The larvae induce a gall on the host plant in which they feed and develop.

Distribution:
Saskatchewan, Alberta

Comments:
This species produces irregular galls on rose stems.