Dogbane Leaf Beetle - appox. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Chrysochus
Species: Auratus
More Dogbane Leaf Beetles
Updated May 17 2019
Goldenrod Leaf Beetle - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Trirhabda
Species: Canadensis?
More Goldenrod Leaf Beetles
More Goldenrod Leaf Beetles
Updated August 13 2013
Spotted Cucumber Beetle - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Diabrotica
Species: Undecimpunctata
Northern Corn Rootworm Beetle - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Diabrotica
Species: Barberi
Leaf Beetles
Page Last Updated: March 7 2021
Goldenrod Leaf Miner Beetle - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Microrhopala
Species: Vittata
Asparagus Beetle - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Crioceris
Species: Asparagi
Striped Cucumber Beetle - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Acalymma
Species: Vittatum
Ragweed Leaf Beetle - approx. 8 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Zygogramma
Species: Suturalis
Similar species: Calligrapha Lunata
44 species
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Bean Leaf Beetle - approx. 8 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Cerotoma
Species: Trifurcata
Clavate Tortoise Beetle - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Plagiometriona (now Helocassis?)
Species: Clavata
Three-lined Potato Beetle - approx. 8 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Lema
Species: Daturaphila
Leaf Miner Beetle - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Baliosus
Species: Nervosus
Possibly Sumitrosis inaequalis
Loosestrife Leaf Beetles - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Galerucella (Neogalerucella)
Species: Calmariensis
Introduced from Europe to control Purple Loosestrife
Swamp Milkweed Beetle - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Labidomera
Species: Clivicollis
Goldenrod Leaf Beetle larva - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Trirhabda
Species: Canadensis?
More Goldenrod Leaf Beetles
More Goldenrod Leaf Beetles
Updated August 13 2013
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
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
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Golden Tortoise Leaf Beetles - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Charidotella
Species: Sexpunctata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Feeds on the leaves of plants in the Morning Glory family
(Convolvulaceae) - has the ability to change colour
Willow Calligrapha Beetle - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Calligrapha
Species: Multipunctata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Loosestrife Leaf Beetles
Updated June 1 2019
More Loosestrife Leaf Beetles
Mottled Tortoise Beetle - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Deloyala
Species: Guttata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Feeds on the leaves of plants in the Morning Glory family
(Convolvulaceae)
More Asparagus Beetles
More Asparagus Beetles
Updated December 30 2011
St John's Wort Beetles - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Chrysolina
Species: Hyperici or Quadrigemina
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Introduced from Europe to control St John's Wort
Viburnum Leaf Beetles - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Pyrrhalta
Species: Viburni
Native to Europe
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Viburnum Leaf Beetles
Updated February 27 2013
More Viburnum Leaf Beetles
Vetch Bruchid Leaf Beetle - approx. 3 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Bruchus
Species: Brachialis
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Native to Europe
Calligrapha Beetle - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Calligrapha
Species: Scalaris?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
C. scalaris feeds on Elm - a very similar species feeds on
Dogwood - Possibly they are the same species
More Leaf Miner Beetles
More Leaf Miner Beetles
More Goldenrod Leaf Miner Beetles
Updated April 24 2013
More Goldenrod Leaf Miner Beetles
Updated February 8 2015
Also known as Southern Corn Rootworm
Imported Willow Leaf Beetle - approx. 4 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Plagiodera
Species: Versicolora
Brachypnoea Leaf Beetle - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Brachypnoea
Species: Puncticollis?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Western Corn Rootworm Beetle - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Diabrotica
Species: Virgifera
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Thistle Tortoise Beetle - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Cassida
Species: Rubiginosa
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Native to Europe - feeds on plants in the Aster family
(thistles, knapweed, burdock)
More Willow Calligrapha Beetles
Updated November 20 2014
More Willow Calligrapha Beetles
Dogwood Calligrapha Beetle - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Calligrapha
Species: Philadelphica
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Host plant is Dogwood
More Dogwood Calligrapha Beetles
Updated June 30 2013
More Dogwood Calligrapha Beetles
Scriptured Leaf Beetle - approx. 3 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Pachybrachis (Scriptured Leaf Beetles)
Species: Peccans
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Scriptured Leaf Beetles
Updated July 6 2013
More Scriptured Leaf Beetles
Calligrapha Beetle - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Calligrapha
Species: Californica
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Colorado Potato Beetle - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Leptinotarsa
Species: Decemlineata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Colorado Potato Beetles
Updated August 3 2013
More Colorado Potato Beetles
More Three-lined Potato Beetles
Updated October 10 2018
More Three-lined Potato Beetles
More Imported Willow Leaf Beetles
Updated August 16 2013
More Imported Willow Leaf Beetles
Imported Willow Leaf Beetle larvae - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Plagiodera
Species: Versicolora
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Imported Willow Leaf Beetles
Updated August 16 2013
More Imported Willow Leaf Beetles
Potato Flea Beetle - approx. 2 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Psylliodes
Species: Affinis
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Thistle Tortoise Beetle larva - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Cassida
Species: Rubiginosa
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Accumulates moult skins and excrement on its back for
protection - feeds on plants in the Aster family (thistles,
knapweed, burdock) - native to Europe
Paria Leaf Beetle - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Paria
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Striped Cucumber Beetles
More Striped Cucumber Beetles
Updated October 24 2016
Charidotella purpurata Tortoise Beetle - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Charidotella
Species: Purpurata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Dogbane Leaf Beetle on Indian Hemp - approx. 1 cm - Kortright Centre for Conservation - July 2012
Goldenrod Leaf Beetle - approx. 1 cm - Lower Don Valley (Leaside) - July 2007
Spotted Cucumber Beetle on New England Aster - approx. 7 mm - Toronto Islands - October 2011
Northern Corn Rootworm Beetle - approx. 7 mm - Lower Don Valley (Crother's Woods) - September 2007
Goldenrod Leaf Miner Beetle - approx. 7 mm - Lower Don Valley (Crother's Woods) - September 2008
Asparagus Beetle - approx. 7 mm - Lower Don Valley (Crother's Woods) - May 2008
Striped Cucumber Beetle - approx. 6 mm - Lower Don Valley (Leaside) - September 2011
Clavate Tortoise Beetle - approx. 7 mm - Lower Don Valley (Leaside) - May 2010
Three-lined Potato Beetle - approx. 8 mm - Lower Don Valley (Crother's Woods) - August 2013
Leaf Miner Beetle - approx. 5 mm - Lower Don Valley (Crother's Woods) - May 2010
Loosestrife Leaf Beetles on Purple Loosestrife - approx. 6 mm - Leslie Spit  - May 2011
Goldenrod Leaf Beetle larva - approx. 1 cm - Lower Don Valley (Leaside) - June 2009
Golden Tortoise Leaf Beetles on Hedge Bindweed - approx. 7 mm - Lower Don Valley (Leaside) - May 2011
Willow Calligrapha Beetle - approx. 1 cm - Leslie Spit - June 2011
Viburnum Leaf Beetles on Highbush Cranberry - approx. 6 mm - East Don Valley (Charles Sauriol Conservation Area)  - July 2008
Vetch Bruchid Leaf Beetle - approx. 3 mm - East Don Valley (Charles Sauriol Conservation Area) - July 2008
Calligrapha Beetle on Dogwood species - approx. 1 cm - East Don Valley (Charles Sauriol Conservation Area) - July 2012
Imported Willow Leaf Beetles - approx. 4 mm - Lower Don Valley (Crother's Woods) - May 2010
Brachypnoea Leaf Beetle - approx. 5 mm - East Don Valley (Charles Sauriol Conservation Area) - June 2009
Western Corn Rootworm Beetle on Common Tansy - approx. 7 mm - Lower Don Valley (Crother's Woods) - August 2008
Thistle Tortoise Beetle on Burdock - approx. 7 mm - Lower Don Valley (Leaside) - June 2013
Dogwood Calligrapha Beetle - approx. 1 cm - Lynde Shores Conservation Area (Whitby) - June 2013
Scriptured Leaf Beetle - approx. 3 mm - Leslie Spit - July 2013
Calligrapha Beetle on Beggarticks - approx. 6 mm - West Don Valley (Sunnybrook Park) - July 2013
Colorado Potato Beetle on Bittersweet Nightshade - approx. 1 cm - Scarborough (Armadale) - July 2013
Imported Willow Leaf Beetle larvae - approx. 5 mm - Toronto Islands - July 2013
Potato Flea Beetle - approx. 2 mm - Lynde Shores Conservation Area (Whitby) - June 2013
Thistle Tortoise Beetle larva on Canada Thistle - approx. 6 mm - West Don Valley (Sunnybrook Park) - June 2013
St John's Wort Beetles on St John's Wort - approx. 5 mm - Beaver Creek (Richmond Hill) - June 2009
More Spotted Cucumber Beetles
More Spotted Cucumber Beetles
Updated October 24 2016
Twelve-spotted Asparagus Beetle - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Crioceris
Species: Duodecimpunctata
Native to Europe, Asia and North Africa
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Twelve-spotted Asparagus Beetle - approx. 6 mm - Rouge Park - May 2015
Native to Europe, Asia and North Africa
Leaf Beetle (Chrysomela) - approx. 8 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Chrysomela
Species: Mainensis?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Leaf Beetle (Chrysomela) on Populus species - approx. 8 mm -  Rouge Park (Twyn Rivers)- June 2015
More Golden Tortoise Beetles
More Golden Tortoise Leaf Beetles
Updated August 2 2020
More Bean Leaf Beetles
More Bean Leaf Beetles
Updated December 29 2015
Bean Leaf Beetle - approx. 8 mm - West Don Valley (Sunnybrook Park) - June 2012
Plateumaris rufa - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Plateumaris
Species: Rufa
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Subfamily Donaciinae (Aquatic Leaf Beetles
Plateumaris rufa - approx. 1 cm - Caledon Lake Forest - June 2017
Case-bearing Leaf Beetle - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: ?
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Subfamily: Cryptocephalinae (Case-bearing Leaf Beetles)
Case-bearing Leaf Beetle - approx. 5 mm - Terra Cotta Conservation Area - August 2017
Colaspis Leaf Beetle - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Colaspis
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Colaspis Leaf Beetle - approx. 5 mm - High Park - July 2017
Elm Leaf Beetle - approx. 8 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Xanthogaleruca
Species: Luteola
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Elm Leaf Beetle - approx. 8 mm - High Park - August 2018
More Elm Leaf Beetles
More Elm Leaf Beetles
Updated December 8 2018
Similar to the Goldenrod Leaf Beetle (see above) - in
Trirhabda species the 3rd antenna segment (from the
head) is shorter than the 4th - with the Elm Leaf Beetle the
3rd segment is the same size or longer than the 4th
Ophraella communa - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Ophraella
Species: Communa
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Ophraella communa - approx. 5 mm - High Park - July 2018
Similar to Ophraella notulata
More Calligrapha californica Beetles
Updated February 22 2019
More Calligrapha californica Beetles
More Ragweed Leaf Beetles
More Ragweed Leaf Beetles
Updated February 22 2019
Ragweed Leaf Beetle on Ragweed species - approx. 8 mm - York Regional Forest (North Tract) - September 2018
More Swamp Milkweed Beetles
Updated April 1 2019
More Swamp Milkweed Beetles
Swamp Milkweed Beetles on Swamp MIlkweed - approx. 1 cm - Speyside (Halton Hills) - August 2018
Swamp Milkweed Beetle larva - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Labidomera
Species: Clivicollis
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Swamp Milkweed Beetles
Updated April 1 2019
More Swamp Milkweed Beetles
Swamp Milkweed Beetle larva on Swamp MIlkweed - approx. 1 cm - Speyside (Halton Hills) - August 2017
More Thistle Tortoise Beetles
Updated May 17 2019
More Thistle Tortoise Beetles
More Thistle Tortoise Beetles
Updated May 17 2019
More Thistle Tortoise Beetles
Viburnum Leaf Beetle larva - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Pyrrhalta
Species: Viburni
Native to Europe
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Viburnum Leaf Beetles
Updated February 27 2013
More Viburnum Leaf Beetles
Viburnum Leaf Beetle larva on Highbush Cranberry - approx. 7 mm - Toronto Islands  - June 2018
More Paria Leaf Beetles
Updated July 11 2019
More Paria Leaf Beetles
Paria Leaf Beetle on Goldenrod species - approx. 5 mm - Lower Don Valley (Todmorden Mills) - June 2018
Clavate Tortoise Beetle larva - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Plagiometriona (now Helocassis?)
Species: Clavata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
More Clavate Tortoise Beetles
More Clavate Tortoise Beetles
Updated August 2 2020
More Clavate Tortoise Beetles
More Clavate Tortoise Beetles
Updated August 2 2020
Clavate Tortoise Beetle larva on Bittersweet Nightshade - approx. 5 mm - Speyside (Halton Hills) - July 2017
More Mottled Tortoise Leaf Beetles
More Mottled Tortoise Leaf Beetles
Updated August 2 2020
Feeds on the leaves of plants in the Nightshade / Potato
family (Solanum)
Accumulates moult skins and excrement on its back for
protection - feeds on the leaves of plants in the Nightshade
/ Potato family (Solanum)
Mottled Tortoise Beetle on Field Bindweed - approx. 6 mm - High Park - July 2020
Charidotella purpurata Tortoise Beetle - approx. 6 mm - Rouge Park - July 2014
Agroiconota bivittata Tortoise Beetle - approx. 7 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Agroiconota
Species: Bivittata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Feeds on the leaves of plants in the Morning Glory family
(Convolvulaceae)
More Agroiconota bivittata Leaf Beetles
More Agroiconota bivittata Leaf Beetles
Updated August 2 2020
Agroiconota bivittata Tortoise Beetle - approx. 7 mm - Markham (Warden & Steeles) - July 2020
Lily Leaf Beetle - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Lilioceris
Species: Lilii
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Lily Leaf Beetle - approx. 1 cm - High Park - July 2020
Subfamily: Galerucinae (Skeletonizing Leaf Beetles and
Flea Beetles)
Red-headed Flea Beetle - approx. 6 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Systena
Species: Frontalis
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Red-headed Flea Beetle - approx. 6 mm - Markham (Warden & Steeles) - August 2020
Subfamily: Galerucinae (Skeletonizing Leaf Beetles and
Flea Beetles)
Subfamily: Galerucinae (Skeletonizing Leaf Beetles and
Flea Beetles)
Disonycha species - approx. 1 cm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Disonycha
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Disonycha species on Missouri Willow - approx. 1 cm - Toronto Islands - September 2020
Possibly D. alternata (Striped Willow Leaf Beetle)
Subfamily: Galerucinae (Skeletonizing Leaf Beetles and
Flea Beetles)
Capraita subvittata - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Capraita
Species: Subvittata
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Capraita subvittata - approx. 5 mm - Caledon Lake Forest - June 2017
More Plateumaris Beetles
Updated February 20 2021
More Plateumaris Beetles
Subfamily: Galerucinae (Skeletonizing Leaf Beetles and
Flea Beetles)
Altica species - approx. 5 mm
Order: Coleoptera
Family: Chrysomelidae (Leaf Beetles)
Genus: Altica
Species: ?
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Altica species - approx. 5 mm - Markham (Warden & Steeles) - June 2020
Subfamily: Eumolpinae