Common Sedgesitter
- Group
- True flies
- Peak month
- July
- Records since 2000
- 2,619
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- Species by county
- Northamptonshire
Species recorded in Northamptonshire
633 species
Northamptonshire — county
Short-leaved Pocket-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 2,614
Tricyphona immaculata
- Group
- True flies
- Peak month
- May
- Records since 2000
- 2,611
Wall thread-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 2,514
European physa, Tadpole snail, Bladder snail, Acute bladder snail, Pewter physa
- Group
- Molluscs
- Peak month
- October
- Records since 2000
- 2,479
Velvet Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 2,430
Capra's Water Cricket
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 2,402
Halesus digitatus
- Group
- Caddisflies
- Peak month
- April
- Records since 2000
- 2,398
Limonia phragmitidis
- Group
- True flies
- Peak month
- May
- Records since 2000
- 2,397
Punctate Corixa
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 2,361
Athripsodes bilineatus
- Group
- Caddisflies
- Peak month
- May
- Records since 2000
- 2,250
Tipula lateralis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 2,163
Bembidion lunulatum
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 2,118
Callicorixa praeusta
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 2,085
Demon Shrimp
- Group
- Crustaceans
- Peak month
- October
- Records since 2000
- 2,066
Phylidorea ferruginea
- Group
- True flies
- Peak month
- June
- Records since 2000
- 2,051
Four-spotted cranefly
- Group
- True flies
- Peak month
- June
- Records since 2000
- 2,050
Twin-lobed Deerfly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,993
Cyrnus trimaculatus
- Group
- Caddisflies
- Peak month
- July
- Records since 2000
- 1,958
Dull-backed Sedgesitter
- Group
- True flies
- Peak month
- May
- Records since 2000
- 1,956
Curved Silk-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,925
Revolute Beard-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,901
Sigara falleni
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 1,895
Klinggraeff's bryum moss
- Group
- Mosses
- Peak month
- October
- Records since 2000
- 1,833
Toothed Pondskater
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 1,785
Water Fern, Fairy moss
- Group
- Ferns and horsetails
- Peak month
- September
- Records since 2000
- 1,775
Bronze Furrow Bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 1,770
Spurge-laurel
- Group
- Flowering plants
- Peak month
- April
- Records since 2000
- 1,768
Sigara lateralis
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 1,698
Epiphragma ocellare
- Group
- True flies
- Peak month
- May
- Records since 2000
- 1,660
Bembidion biguttatum
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,566
Sand Feather-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,528
Hesperocorixa linnaei
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 1,508
Tipula lunata
- Group
- True flies
- Peak month
- May
- Records since 2000
- 1,470
Platynus assimilis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,462
Orange-marked cranefly
- Group
- True flies
- Peak month
- May
- Records since 2000
- 1,414
Many-tufted Sedgesitter
- Group
- True flies
- Peak month
- August
- Records since 2000
- 1,409
Leistus spinibarbis
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,376
Pseudovadonia livida
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 1,375
Phryganea bipunctata
- Group
- Caddisflies
- Peak month
- September
- Records since 2000
- 1,368
Sigara nigrolineata
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 1,319
Lesser Screw-moss
- Group
- Mosses
- Peak month
- January
- Records since 2000
- 1,219
Ormosia nodulosa
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,129
Rosulabryum moravicum
- Group
- Mosses
- Peak month
- February
- Records since 2000
- 1,081
Common Mourning Bee
- Group
- Bees, wasps and ants
- Peak month
- April
- Records since 2000
- 1,080
Stenocorus meridianus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 1,078
Sigara distincta
- Group
- True bugs
- Peak month
- September
- Records since 2000
- 1,051
Water Stick Insect
- Group
- True bugs
- Peak month
- May
- Records since 2000
- 1,036