Tetanocera ferriginea
- Peak month
- June
- Records since 2000
- 566
- Group
- True flies
Dolichopus propinquus
- Peak month
- July
- Records since 2000
- 563
- Group
- True flies
Xylota jakutorum
- Peak month
- June
- Records since 2000
- 561
- Group
- True flies
Toxonevra muliebris
- Peak month
- August
- Records since 2000
- 559
- Group
- True flies
Frit Fly
- Peak month
- July
- Records since 2000
- 556
- Scientific name
- Oscinella frit
Tephritis vespertina
- Peak month
- July
- Records since 2000
- 555
- Group
- True flies
Dolichopus festivus
- Peak month
- July
- Records since 2000
- 553
- Group
- True flies
Euphylidorea meigenii
- Peak month
- May
- Records since 2000
- 551
- Group
- True flies
Eurithia anthophila
- Peak month
- August
- Records since 2000
- 551
- Group
- True flies
Liriomyza flaveola
- Peak month
- July
- Records since 2000
- 551
- Group
- True flies
Hairy-legged Horsefly
- Peak month
- June
- Records since 2000
- 550
- Scientific name
- Hybomitra bimaculata
Limonia flavipes
- Peak month
- June
- Records since 2000
- 550
- Group
- True flies
Ilisia maculata
- Peak month
- June
- Records since 2000
- 549
- Group
- True flies
Parasyrphus punctulatus
- Peak month
- April
- Records since 2000
- 549
- Group
- True flies
Cheilosia vernalis
- Peak month
- August
- Records since 2000
- 544
- Group
- True flies
Sapromyza quadripunctata
- Peak month
- July
- Records since 2000
- 543
- Group
- True flies
Paradelphomyia senilis
- Peak month
- June
- Records since 2000
- 542
- Group
- True flies
Yellow-legged Water-snipefly
- Peak month
- May
- Records since 2000
- 540
- Scientific name
- Atherix ibis
Morellia aenescens
- Peak month
- August
- Records since 2000
- 539
- Group
- True flies
Leaf-miner fly
- Peak month
- June
- Records since 2000
- 537
- Scientific name
- Phytomyza ranunculi
Muscoid fly
- Peak month
- July
- Records since 2000
- 537
- Scientific name
- Myospila meditabunda
Buff-tailed Bear Hoverfly
- Peak month
- May
- Records since 2000
- 534
- Scientific name
- Criorhina floccosa
Coenosia testacea
- Peak month
- July
- Records since 2000
- 534
- Group
- True flies
Ellipteroides lateralis
- Peak month
- July
- Records since 2000
- 533
- Group
- True flies
Tipula scripta
- Peak month
- June
- Records since 2000
- 533
- Group
- True flies
Phryxe vulgaris
- Peak month
- August
- Records since 2000
- 532
- Group
- True flies
Copromyza stercoraria
- Peak month
- May
- Records since 2000
- 531
- Group
- True flies
Orthocladius van-der
- Peak month
- May
- Records since 2000
- 530
- Group
- True flies
Stable Fly
- Peak month
- August
- Records since 2000
- 530
- Scientific name
- Stomoxys calcitrans
Sericomyia superbiens
- Peak month
- August
- Records since 2000
- 527
- Group
- True flies
Palloptera scutellata
- Peak month
- April
- Records since 2000
- 523
- Group
- True flies
Scathophaga litorea
- Peak month
- August
- Records since 2000
- 523
- Group
- True flies
Three-lined Soldier
- Peak month
- July
- Records since 2000
- 523
- Scientific name
- Oxycera trilineata
Lypha dubia
- Peak month
- April
- Records since 2000
- 522
- Group
- True flies
Orange-sided comb-horn
- Peak month
- May
- Records since 2000
- 520
- Scientific name
- Ctenophora pectinicornis
Artichoke Gall-midge
- Peak month
- September
- Records since 2000
- 518
- Scientific name
- Taxomyia taxi
Dilophus femoratus
- Peak month
- May
- Records since 2000
- 517
- Group
- True flies
Sphegina clunipes
- Peak month
- June
- Records since 2000
- 517
- Group
- True flies
Smittia edwardsi
- Peak month
- September
- Records since 2000
- 516
- Group
- True flies
Platypalpus pallidiventris
- Peak month
- June
- Records since 2000
- 515
- Group
- True flies
Waisted Duckfly
- Peak month
- June
- Records since 2000
- 513
- Scientific name
- Anasimyia contracta
Western Bee-fly
- Peak month
- June
- Records since 2000
- 513
- Scientific name
- Bombylius canescens
Tephrochlamys rufiventris
- Peak month
- April
- Records since 2000
- 512
- Group
- True flies
Fannia postica
- Peak month
- June
- Records since 2000
- 511
- Group
- True flies
Empis nuntia
- Peak month
- June
- Records since 2000
- 509
- Group
- True flies
Phaonia rufiventris
- Peak month
- May
- Records since 2000
- 505
- Group
- True flies
Ornate Brigadier
- Peak month
- June
- Records since 2000
- 503
- Scientific name
- Odontomyia ornata
Anthomyza gracilis
- Peak month
- July
- Records since 2000
- 502
- Group
- True flies