Canadian Waterweed
- Group
- Flowering plants
- Peak month
- August
- Records since 2000
- 6,360
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- Species by county
- East Riding of Yorkshire
Species recorded in East Riding of Yorkshire
780 species
East Riding of Yorkshire — county
Froghopper
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 6,233
Crosswort
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 6,186
Rustic Sailor Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 6,138
Birch catkin bug
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 5,955
Eurasian Smoothwing
- Group
- True flies
- Peak month
- July
- Records since 2000
- 5,929
Three Spotted Nettle Bug
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 5,901
Parent Bug
- Group
- True bugs
- Peak month
- August
- Records since 2000
- 5,884
Spotted Meliscaeva
- Group
- True flies
- Peak month
- June
- Records since 2000
- 5,839
Greenish Oedemera
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 5,714
Furry Dronefly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 5,653
Common Garden Slug
- Group
- Molluscs
- Peak month
- April
- Records since 2000
- 5,643
Lesser Marsh Grasshopper
- Group
- Grasshoppers and crickets
- Peak month
- August
- Records since 2000
- 5,628
Common Water-boatman
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 5,622
Limnephilus marmoratus
- Group
- Caddisflies
- Peak month
- August
- Records since 2000
- 5,591
Ring-necked Duck
- Group
- Birds
- Peak month
- January
- Records since 2000
- 5,556
Agabus bipustulatus
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 5,478
Large Cinnamon Sedge
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 5,444
Plant bug
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 5,318
Tramp slug, Brown field slug, Longneck field slug, Chestnut Slug
- Group
- Molluscs
- Peak month
- April
- Records since 2000
- 5,242
St Marks Fly
- Group
- True flies
- Peak month
- May
- Records since 2000
- 5,213
Glaucous Gull
- Group
- Birds
- Peak month
- January
- Records since 2000
- 5,212
Nursery Web Spider
- Group
- Spiders
- Peak month
- April
- Records since 2000
- 5,102
Ferruginous Bee-Grabber
- Group
- True flies
- Peak month
- July
- Records since 2000
- 5,065
Feathery Bog-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 5,044
Fringed Bog-moss
- Group
- Mosses
- Peak month
- July
- Records since 2000
- 5,005
Branched Bur-reed
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 5,001
Black Sexton Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 4,980
Common cord grass, Rice grass, Townsends grass
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 4,974
Wasp Beetle
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 4,967
Red-veined Darter
- Group
- Dragonflies and damselflies
- Peak month
- June
- Records since 2000
- 4,963
Hirta Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 4,861
Pectoral Sandpiper
- Group
- Birds
- Peak month
- September
- Records since 2000
- 4,746
Woundwort Shieldbug
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 4,664
Water Figwort
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 4,605
Garlic Snail
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 4,561
Anacaena globula
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 4,520
Pomarine Jaeger
- Group
- Birds
- Peak month
- September
- Records since 2000
- 4,520
Limnephilus auricula
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 4,503
Chocolate Mining Bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 4,456
Smooth Glass Snail
- Group
- Molluscs
- Peak month
- April
- Records since 2000
- 4,442
Sea Comb
- Group
- Seaweeds and algae
- Peak month
- August
- Records since 2000
- 4,418
Kite-tailed Robberfly
- Group
- True flies
- Peak month
- August
- Records since 2000
- 4,398
Sea Plantain
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 4,391
Copse Snail
- Group
- Molluscs
- Peak month
- May
- Records since 2000
- 4,382
Hydrobius fuscipes
- Group
- Beetles
- Peak month
- April
- Records since 2000
- 4,365
Red-backed Shrike
- Group
- Birds
- Peak month
- September
- Records since 2000
- 4,335
Plant bug
- Group
- True bugs
- Peak month
- July
- Records since 2000
- 4,304