Marmalade hoverfly
- Peak month
- July
- Records since 2000
- 46,804
- Scientific name
- Episyrphus balteatus
Tapered Drone Fly
- Peak month
- April
- Records since 2000
- 35,005
- Scientific name
- Eristalis pertinax
Dangling Swamp-lover
- Peak month
- September
- Records since 2000
- 34,301
- Scientific name
- Helophilus pendulus
Bee Fly
- Peak month
- April
- Records since 2000
- 32,811
- Scientific name
- Bombylius major
Drone Fly
- Peak month
- August
- Records since 2000
- 28,014
- Scientific name
- Eristalis tenax
Batman Hoverfly
- Peak month
- August
- Records since 2000
- 21,723
- Scientific name
- Myathropa florea
Grey-spotted Sedgesitter
- Peak month
- April
- Records since 2000
- 15,504
- Scientific name
- Platycheirus albimanus
Hover Fly
- Peak month
- August
- Records since 2000
- 15,338
- Scientific name
- Syritta pipiens
Golden Dung Fly
- Peak month
- June
- Records since 2000
- 14,206
- Scientific name
- Scathophaga stercoraria
Ladder-backed Hover Fly
- Peak month
- April
- Records since 2000
- 14,120
- Scientific name
- Melanostoma scalare
Soldier fly
- Peak month
- June
- Records since 2000
- 12,979
- Scientific name
- Chloromyia formosa
Common Flower Fly
- Peak month
- July
- Records since 2000
- 11,730
- Scientific name
- Syrphus ribesii
Volucella pellucens
- Peak month
- June
- Records since 2000
- 11,473
- Group
- True flies
Gymnometriocnemus brumalis
- Peak month
- December
- Records since 2000
- 10,852
- Group
- True flies
Limnophyes minimus
- Peak month
- March
- Records since 2000
- 10,558
- Group
- True flies
Common Globetail
- Peak month
- July
- Records since 2000
- 10,244
- Scientific name
- Sphaerophoria scripta
Brown-toed Forest Fly
- Peak month
- June
- Records since 2000
- 9,719
- Scientific name
- Xylota segnis
Rhingia campestris
- Peak month
- May
- Records since 2000
- 9,678
- Group
- True flies
Hover Fly
- Peak month
- August
- Records since 2000
- 9,660
- Scientific name
- Eristalis arbustorum
Migrant Hover Fly
- Peak month
- June
- Records since 2000
- 9,218
- Scientific name
- Eupeodes corollae
Greater Bulb-fly
- Peak month
- June
- Records since 2000
- 8,814
- Scientific name
- Merodon equestris
Hornet Hoverfly
- Peak month
- August
- Records since 2000
- 8,755
- Scientific name
- Volucella zonaria
Hover Fly
- Peak month
- July
- Records since 2000
- 8,563
- Scientific name
- Melanostoma mellina
Black Snipefly
- Peak month
- June
- Records since 2000
- 8,496
- Scientific name
- Chrysopilus cristatus
Bog Hoverfly
- Peak month
- August
- Records since 2000
- 8,261
- Scientific name
- Sericomyia silentis
Common Tachinid
- Peak month
- August
- Records since 2000
- 8,124
- Scientific name
- Tachina fera
Eriothrix rufomaculatus
- Peak month
- July
- Records since 2000
- 8,117
- Group
- True flies
Sixspot Cranefly
- Peak month
- May
- Records since 2000
- 7,283
- Scientific name
- Limonia nubeculosa
Bumble Bee Hover Fly
- Peak month
- June
- Records since 2000
- 7,101
- Scientific name
- Volucella bombylans
Notch-horned Cleg
- Peak month
- July
- Records since 2000
- 6,849
- Scientific name
- Haematopota pluvialis
Noon Fly
- Peak month
- October
- Records since 2000
- 6,837
- Scientific name
- Mesembrina meridiana
Bumblebee Blacklet
- Peak month
- July
- Records since 2000
- 6,599
- Scientific name
- Cheilosia illustrata
Spring Epistrophe
- Peak month
- April
- Records since 2000
- 6,574
- Scientific name
- Epistrophe eligans
Black-tailed Aphideater
- Peak month
- April
- Records since 2000
- 6,458
- Scientific name
- Eupeodes luniger
Snipefly
- Peak month
- June
- Records since 2000
- 6,241
- Scientific name
- Rhagio scolopacea
Seedcorn Maggot
- Peak month
- July
- Records since 2000
- 6,186
- Scientific name
- Delia platura
Eurasian Smoothwing
- Peak month
- July
- Records since 2000
- 5,929
- Scientific name
- Scaeva pyrastri
Spotted Meliscaeva
- Peak month
- June
- Records since 2000
- 5,839
- Scientific name
- Meliscaeva auricollis
Orange-spined Drone Fly
- Peak month
- August
- Records since 2000
- 5,815
- Scientific name
- Eristalis nemorum
European Crane Fly
- Peak month
- September
- Records since 2000
- 5,709
- Scientific name
- Tipula paludosa
Furry Dronefly
- Peak month
- August
- Records since 2000
- 5,653
- Scientific name
- Eristalis intricaria
St Marks Fly
- Peak month
- May
- Records since 2000
- 5,213
- Scientific name
- Bibio marci
Lesser Hornet Hoverfly
- Peak month
- August
- Records since 2000
- 5,083
- Scientific name
- Volucella inanis
Ferruginous Bee-Grabber
- Peak month
- July
- Records since 2000
- 5,065
- Scientific name
- Sicus ferrugineus
Psychoda phalaenoides
- Peak month
- November
- Records since 2000
- 4,945
- Group
- True flies
Holly Leaf Gall Fly
- Peak month
- April
- Records since 2000
- 4,934
- Scientific name
- Phytomyza ilicis
Two-banded wasp hoverfly
- Peak month
- July
- Records since 2000
- 4,512
- Scientific name
- Chrysotoxum bicincta
Kite-tailed Robberfly
- Peak month
- August
- Records since 2000
- 4,398
- Scientific name
- Machimus atricapillus