Pherbina coryleti
- Peak month
- July
- Records since 2000
- 651
- Group
- True flies
Pales pavida
- Peak month
- July
- Records since 2000
- 650
- Group
- True flies
Bright Four-spined Legionnaire
- Peak month
- August
- Records since 2000
- 648
- Scientific name
- Chorisops nagatomii
Lamyra marginata
- Peak month
- July
- Records since 2000
- 644
- Group
- True flies
Polypedilum sordens
- Peak month
- August
- Records since 2000
- 644
- Group
- True flies
Corynoptera perpusilla
- Peak month
- September
- Records since 2000
- 643
- Group
- True flies
Bradysia urticae
- Peak month
- October
- Records since 2000
- 641
- Group
- True flies
Ceratopogon lacteipennis
- Peak month
- June
- Records since 2000
- 641
- Group
- True flies
Corynoptera irmgardis
- Peak month
- April
- Records since 2000
- 640
- Group
- True flies
Sarcophaga dissimilis
- Peak month
- July
- Records since 2000
- 640
- Group
- True flies
Iridescent Centurion
- Peak month
- June
- Records since 2000
- 638
- Scientific name
- Sargus iridatus
Rivellia syngenesiae
- Peak month
- June
- Records since 2000
- 638
- Group
- True flies
Cluster Fly
- Peak month
- August
- Records since 2000
- 636
- Scientific name
- Pollenia pediculata
Helius longirostris
- Peak month
- June
- Records since 2000
- 635
- Group
- True flies
Campsicnemus scambus
- Peak month
- June
- Records since 2000
- 633
- Group
- True flies
Phaonia pallida
- Peak month
- June
- Records since 2000
- 632
- Group
- True flies
Scathophaga inquinata
- Peak month
- May
- Records since 2000
- 631
- Group
- True flies
Minettia longipennis
- Peak month
- June
- Records since 2000
- 623
- Group
- True flies
Pseudolimnophila sepium
- Peak month
- July
- Records since 2000
- 622
- Group
- True flies
Syntormon pallipes
- Peak month
- May
- Records since 2000
- 622
- Group
- True flies
Dull-bellied Blacklet
- Peak month
- July
- Records since 2000
- 618
- Scientific name
- Cheilosia proxima
Truffle Blacklet
- Peak month
- July
- Records since 2000
- 618
- Scientific name
- Cheilosia ruffipes
Bibio lanigerus
- Peak month
- April
- Records since 2000
- 615
- Group
- True flies
Shore fly
- Peak month
- July
- Records since 2000
- 612
- Scientific name
- Hydrellia griseola
Long-horned Black Legionnaire
- Peak month
- July
- Records since 2000
- 609
- Scientific name
- Beris geniculata
Platycheirus peltatus Group
- Peak month
- August
- Records since 2000
- 609
- Scientific name
- Platycheirus peltatus
Criorhina berberina
- Peak month
- May
- Records since 2000
- 601
- Group
- True flies
Dark-winged Flesh fly
- Peak month
- June
- Records since 2000
- 601
- Scientific name
- Nyctia halterata
Pegomya solennis
- Peak month
- July
- Records since 2000
- 601
- Group
- True flies
Shore fly
- Peak month
- June
- Records since 2000
- 599
- Scientific name
- Scatella stagnalis
Ptychoptera lacustris
- Peak month
- June
- Records since 2000
- 596
- Group
- True flies
Fen Snout
- Peak month
- July
- Records since 2000
- 595
- Scientific name
- Nemotelus pantherina
Orange-belted Plumehorn
- Peak month
- June
- Records since 2000
- 593
- Scientific name
- Volucella inflata
Sarcophaga haemorrhoa
- Peak month
- July
- Records since 2000
- 593
- Group
- True flies
Psychoda crassipenis
- Peak month
- November
- Records since 2000
- 591
- Group
- True flies
Tanytarsus parenti
- Peak month
- August
- Records since 2000
- 591
- Group
- True flies
Yellow-bowed Smoothwing
- Peak month
- July
- Records since 2000
- 591
- Scientific name
- Scaeva selenitica
Tipula unca
- Peak month
- June
- Records since 2000
- 590
- Group
- True flies
Campsicnemus curvipes
- Peak month
- June
- Records since 2000
- 586
- Group
- True flies
Square-spot Deerfly
- Peak month
- July
- Records since 2000
- 586
- Scientific name
- Chrysops viduatus
Dicranomyia autumnalis
- Peak month
- July
- Records since 2000
- 585
- Group
- True flies
Anthomyia pluvialis
- Peak month
- July
- Records since 2000
- 584
- Group
- True flies
Brachicoma devia
- Peak month
- July
- Records since 2000
- 582
- Group
- True flies
Hebecnema umbratica
- Peak month
- July
- Records since 2000
- 578
- Group
- True flies
Hybos culiciformis
- Peak month
- July
- Records since 2000
- 575
- Group
- True flies
Acnemia nitidicollis
- Peak month
- July
- Records since 2000
- 574
- Group
- True flies
Tipula fascipennis
- Peak month
- June
- Records since 2000
- 571
- Group
- True flies
Hilara chorica
- Peak month
- July
- Records since 2000
- 566
- Group
- True flies