Great Golden Digger Wasp - approx. 2.5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Sphecidae (Thread-waisted Wasps)
Genus: Sphex
Species: Ichneumoneus
More Golden Digger Wasps
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Updated January 21 2014
Thread-waisted Wasp (Podalonia?) - approx. 2.5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Sphecidae (Thread-waisted Wasps)
Genus: Podalonia? Ammophila?
Species: ?
More Podalonia Wasps
More Podalonia Wasps
Updated January 5 2013
Blue Mud Wasp - approx. 2 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Sphecidae (Thread-waisted Wasps)
Genus: Chalybion
Species: Californicum
Spider? Wasp - approx. 2 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Pompilidae? (Spider Wasps)
Genus: ?
Species: ?
Pelecinid Wasp (female) - approx. 5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Pelecinidae (Pelecinid Wasps)
Genus: Pelecinus
Species: Polyturator
The seldom seen male is much smaller - the only Pelecinid
species in Ontario
Wasps
Page Last Updated: February 27 2021
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32 species
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Updated December 14 2009
Sand Wasp - approx. 2 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Crabronidae
Genus: Bembix
Species: Americana?
More Bembix Sand Wasps
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Updated June 19 2010
Chalcidoid Wasp (Torymid female) - body approx. 2 mm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Torymidae
Genus: ?
Species: ?
Superfamily: Chalcidoidea (Chalcidoid Wasps)
Updated August 28 2011
More Torymid Wasps
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Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Sand Wasp - approx. 2 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Crabronidae
Genus: Bicyrtes
Species: Quadrifasciatus
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Trypoxylon Wasp - approx. 1.5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Crabronidae
Genus: Trypoxylon
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Parasitic Wasp (Platygastridae female) - body approx.
1.5 mm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Platygastridae (formerly Scelionidae)
Genus: Trissolcus
Species: ?
Superfamily: Platygastroidea
Updated November 30 2012
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Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Guarding Stink Bug eggs into which she has deposited her
own eggs
Subfamily: Telenominae
Cuckoo Wasp - approx. 1 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Chrysididae (Cuckoo Wasps)
Genus: Chrysis?
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Blue Mud Wasps
More Blue Mud Wasps
Updated August 1 2013
Beewolf Wasp - approx. 1.5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Crabronidae
Genus: Philanthus (Beewolves)
Species: Gibbosus ?
More Beewolf Wasps
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Updated February 25 2013
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
This wasp has previously paralyzed the bee and is
preparing to carry it to it's burrow
Scoliid  Wasp - approx. 2.5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Scoliidae (Scoliid Wasps)
Genus: Dielis (formerly Campsomeris)
Species: Plumipes
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Torymid wasps often parasitize insect larvae that induce
galls
Similar to Blue Mud Dauber (Chlorion aerarium)
Square-headed Wasp - approx. 1.3 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Crabronidae
Genus: Ectemnius
Species: Maculosus?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Subfamily: Crabroninae (Square-headed Wasps)
Wood  Wasp - approx. 2 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Xiphydriidae  (Wood Wasps)
Genus: Xiphydria
Species: Maculata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Grass-carrying Wasp - approx. 2 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Sphecidae (Thread-waisted Wasps)
Genus: Isodontia (Grass-carrying Wasps)
Species: Apicalis or Mexicana
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Thread-waisted Wasp (Podalonia?) on Grass-leaved Goldenrod - approx. 2.5 cm - Lower Don Valley (Crother's Woods) - August 2007
Blue Mud Wasp on Common Milkweed - approx. 2 cm - Toronto Islands - July 2013
Grass-carrying Wasp on Virginia Creeper - approx. 2 cm - Don Mills - July 2014
Spider? Wasp - approx. 2 cm - Duffins Creek - August 2007
Sand Wasp - approx. 2 cm - High Park - June 2010
Sand Wasp - approx. 2 cm - Toronto Islands - October 2011
Square-headed Wasp - approx. 1.3 cm - East Don Valley (Milne Hollow) - August 2013
Trypoxylon Wasp - approx. 1.5 cm - Toronto Islands - October 2011
Beewolf Wasp on Common Tansy - approx. 1.5 cm - Lower Don Valley (Leaside) - July 2008
Chalcidoid Wasp (Torymid female) on Bunch Gall of Goldenrod - body approx. 2 mm - High Park - August 2011
Parasitic Wasp (Platygastridae female) guarding Stink Bug eggs on Staghorn Sumac - body approx. 1.5 mm - East Don Valley (Milne Hollow) - June 2012
Cuckoo Wasp on Japanese Knotweed - approx. 1 cm - Lower Don Valley (Leaside) - August 2007
Scoliid Wasp on Cow Vetch - approx. 2.5 cm - Leslie Spit - July 2013
Wood Wasp - approx. 2 cm - West Don Valley (Wilket Creek Park) - June 2011
Great Golden Digger Wasp digging a burrow - approx. 2.5 cm - Leaside Industrial Area - July 2012
More Pelecinid Wasps
More Pelecinid Wasps
Updated December 5 2016
Pristaulacus  Wasp - approx. 1 cm body
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Aulacidae
Genus: Pristaulacus
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Pristaulacus Wasp - approx. 1 cm body - Don Mills - July 2014
Superfamily: Evanioidea (Aulacids, Ensigns, and
Gasteruptiids)
Pelecinid Wasp (female) - approx. 5 cm - High Park - July 2016
Black-and-Yellow Mud Dauber Wasp - approx. 2.5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Sphecidae (Thread-waisted Wasps)
Genus: Sceliphron
Species: Caementarium
More Black-and-Yellow Mud Dauber Wasps
More Black-and-Yellow Mud Dauber
Wasps
Updated August 8 2013
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Black-and-Yellow Mud Dauber Wasp - approx. 2.5 cm - Lynde Shores Conservation Area (Whitby) - June 2010
Sceliphron species - approx. 2 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Sphecidae (Thread-waisted Wasps)
Genus: Sceliphron
Species: Curvatum or Deforme
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Sceliphron species - approx. 2.cm - Harbour Square Park  - October 2017
Tribe: Bembicini (Sand Wasps)
Tribe: Bembicini (Sand Wasps)
Subtribe: Bembicina
Subtribe: Bembicina
Sand Wasp - approx. 1.3 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Crabronidae
Genus: ?
Species: ?
More Gorytina Sand Wasps
More Gorytina Sand Wasps
Updated March 3 2018
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Sand Wasp - approx. 1.3 cm - High Park - July 2017
Tribe: Bembicini (Sand Wasps)
Subtribe: Gorytina
Aphid Wasp - approx. 1.2 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Crabronidae
Genus: ?
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Subfamily: Pemphredoninae (Aphid Wasps)
Tribe: Psenini
Aphid Wasp - approx. 1.2 cm - High Park - July 2018
Five-banded Thynnid Wasp - approx. 2.5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Thynnidae (Thynnid Wasps)
Genus: Myzinum
Species: Quinquecinctum
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Superfamily: Thynnoidea
Five-banded Thynnid Wasp - approx. 2.5 cm body - York Regional Forest (Eldred King Tract) - August 2018
Eremnophila aureonotata - approx. 2.5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Sphecidae (Thread-waisted Wasps)
Genus: Eremnophila
Species: Aureonotata
More Eremnophila aureonotata Wasps
More Eremnophila aureonotata Wasps
Updated February 24 2019
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Eremnophila aureonotata - approx. 2.5 cm - York Regional Forest (Eldred King Tract) - July 2018
Subfamily: Bembicinae
Subfamily: Bembicinae
Subfamily: Bembicinae
Larrini species - approx. 1 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Crabronidae
Genus: ?
Species: ?
More Larrini Wasps
More Larrini Wasps
Updated August 13 2019
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Larrini species - approx. 1 cm - Ashbridge's Bay - August 2019
Subfamily: Crabroninae (Square-headed Wasps)
Tribe: Larrini
Subfamily: Crabroninae (Square-headed Wasps)
Subfamily: Philanthinae
Subfamily: Myzininae
Subfamily: Campsomerinae
Chalcidoid Wasp (Eurytominae) - approx. 4 mm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Eurytomidae
Genus: Sycophila?
Species: ?
Superfamily: Chalcidoidea (Chalcidoid Wasps)
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Chalcidoid Wasp (Eurytomidae) on Red Oak - approx. 4 mm - Markham (Warden & Steeles) - September 2020
Mossy Rose Gall Wasp - approx. 5 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Cynipidae (Gall Wasps)
Genus: Diplolepis
Species: Rosae
Superfamily: Cynipoidea
Updated November 29 2020
More Mossy Rose Gall Wasps
More Mossy Rose Gall Wasps
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Mossy Rose Gall Wasp on Sweetbrier - approx. 5 cm - Leslie Spit - August 2017
Gall Wasp - approx. 1 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Cynipidae (Gall Wasps)
Genus: Amphibolips
Species: ?
Superfamily: Cynipoidea
Updated December 5 2020
More Amphibolips Gall Wasps
More Amphibolips Gall Wasps
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Gall Wasp on Oak species - approx. 1 cm - Markham (Warden & Steeles) - July 2020
Parasitic - this wasp would not leave the vicinity of these
galls
Gall Wasp - approx. 5 mm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Cynipidae (Gall Wasps)
Genus: Dryocosmus
Species: Rileyi
Superfamily: Cynipoidea
Updated December 19 2020
More Dryocosmus rileyi Gall Wasps
More Dryocosmus rileyi Gall Wasps
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Gall Wasp - approx. 3 mm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Cynipidae (Gall Wasps)
Genus: ?
Species: ?
Superfamily: Cynipoidea
Updated December 6 2020
More Cynipidae Gall Wasps
More Cynipidae Gall Wasps
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Gall Wasp on Oak species - approx. 3 mm - Markham (Warden & Steeles) - September 2020
Gall Wasp on Oak species - approx. 5 mm - Lambton Park - August 2020
Gall Wasp - approx. 5 mm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Cynipidae (Gall Wasps)
Genus: Phylloteras?
Species: Poculum?
Superfamily: Cynipoidea
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Gall Wasp on Oak species - approx. 5 mm - Lambton Park - August 2020
More Isodontia Wasps
More Isodontia Wasps
Updated February 20 2021
Gall Wasp - approx. 1 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Cynipidae (Gall Wasps)
Genus: Callirhytis
Species: Furva?
Superfamily: Cynipoidea
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Gall Wasp on Oak species - approx. 1 cm - Lambton Park - August 2020
Gall Wasp - approx. 1 cm
Order: Hymenoptera (Bees, Wasps, Ants)
Family: Cynipidae (Gall Wasps)
Genus: Callirhytis
Species: Lanata?
Superfamily: Cynipoidea
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Gall Wasp on Oak species - approx. 1 cm - Lambton Park - August 2020