Sheep Tick
- Peak month
- June
- Records since 2000
- 5,741
- Scientific name
- Ixodes ricinus
Opilio canestrinii
- Peak month
- August
- Records since 2000
- 1,560
- Group
- Mites, harvestmen and other arachnids
Paroligolophus agrestis
- Peak month
- September
- Records since 2000
- 1,522
- Group
- Mites, harvestmen and other arachnids
Common Neobisid
- Peak month
- March
- Records since 2000
- 1,470
- Scientific name
- Neobisium carcinoides
Harvestman
- Peak month
- August
- Records since 2000
- 1,316
- Scientific name
- Leiobunum rotundum
Saddleback Harvestman
- Peak month
- July
- Records since 2000
- 1,164
- Scientific name
- Mitopus morio
Daddy Longleg
- Peak month
- August
- Records since 2000
- 1,100
- Scientific name
- Phalangium opilio
Dicranopalpus ramosus
- Peak month
- August
- Records since 2000
- 1,082
- Group
- Mites, harvestmen and other arachnids
Lime nail gall, Bugle gall
- Peak month
- May
- Records since 2000
- 1,068
- Scientific name
- Eriophyes tiliae
Nemastoma bimaculatum
- Peak month
- August
- Records since 2000
- 917
- Group
- Mites, harvestmen and other arachnids
Alder Bead Gall Mite
- Peak month
- July
- Records since 2000
- 912
- Scientific name
- Eriophyes laevis
Spring Harvestman
- Peak month
- May
- Records since 2000
- 831
- Scientific name
- Rilaena triangularis
European dog tick
- Peak month
- June
- Records since 2000
- 797
- Scientific name
- Ixodes hexagonus
Common Chthonid
- Peak month
- June
- Records since 2000
- 794
- Scientific name
- Chthonius ischnocheles
Galium gall mite
- Peak month
- May
- Records since 2000
- 768
- Scientific name
- Cecidophyes rouhollahi
Sycamore Cherry Mite
- Peak month
- May
- Records since 2000
- 743
- Scientific name
- Aceria cephaloneus
Phyllocoptes goniothorax
- Peak month
- May
- Records since 2000
- 625
- Group
- Mites, harvestmen and other arachnids
Eriophyes similis
- Peak month
- June
- Records since 2000
- 610
- Group
- Mites, harvestmen and other arachnids
Alder vein angle gall
- Peak month
- July
- Records since 2000
- 587
- Scientific name
- Eriophyes inangulis
Solitary maple leaf gall mite
- Peak month
- September
- Records since 2000
- 549
- Scientific name
- Aceria macrochelus
Aceria brevipunctata
- Peak month
- May
- Records since 2000
- 505
- Group
- Mites, harvestmen and other arachnids
Coastal Red Tick
- Peak month
- May
- Records since 2000
- 483
- Scientific name
- Haemaphysalis punctata
Walnut Blister Mite
- Peak month
- August
- Records since 2000
- 477
- Scientific name
- Aceria erinea
Aceria myriadeum
- Peak month
- May
- Records since 2000
- 474
- Group
- Mites, harvestmen and other arachnids
Aceria pseudoplatani
- Peak month
- August
- Records since 2000
- 416
- Group
- Mites, harvestmen and other arachnids
Aceria fraxinivora
- Peak month
- August
- Records since 2000
- 404
- Group
- Mites, harvestmen and other arachnids
Aceria thomasi
- Peak month
- June
- Records since 2000
- 385
- Group
- Mites, harvestmen and other arachnids
Leiobunum blackwalli
- Peak month
- September
- Records since 2000
- 338
- Group
- Mites, harvestmen and other arachnids
Phytoptus avellanae
- Peak month
- May
- Records since 2000
- 320
- Group
- Mites, harvestmen and other arachnids
Eriophyes sorbi
- Peak month
- June
- Records since 2000
- 315
- Group
- Mites, harvestmen and other arachnids
Oligolophus tridens
- Peak month
- August
- Records since 2000
- 304
- Group
- Mites, harvestmen and other arachnids
Odiellus spinosus
- Peak month
- October
- Records since 2000
- 274
- Group
- Mites, harvestmen and other arachnids
Dactylochelifer latreillii
- Peak month
- July
- Records since 2000
- 272
- Group
- Mites, harvestmen and other arachnids
Acalitus brevitarsus
- Peak month
- September
- Records since 2000
- 266
- Group
- Mites, harvestmen and other arachnids
Aceria ilicis
- Peak month
- November
- Records since 2000
- 263
- Group
- Mites, harvestmen and other arachnids
Cecidophyes nudus
- Peak month
- September
- Records since 2000
- 255
- Group
- Mites, harvestmen and other arachnids
Megabunus diadema
- Peak month
- June
- Records since 2000
- 246
- Group
- Mites, harvestmen and other arachnids
Dermacentor reticulatus
- Peak month
- March
- Records since 2000
- 225
- Group
- Mites, harvestmen and other arachnids
Eriophyes exilis
- Peak month
- June
- Records since 2000
- 222
- Group
- Mites, harvestmen and other arachnids
Oligolophus hansenii
- Peak month
- October
- Records since 2000
- 216
- Group
- Mites, harvestmen and other arachnids
Opilio saxatilis
- Peak month
- August
- Records since 2000
- 202
- Group
- Mites, harvestmen and other arachnids
Aceria nervisequa
- Peak month
- June
- Records since 2000
- 197
- Group
- Mites, harvestmen and other arachnids
Chernes cimicoides
- Peak month
- June
- Records since 2000
- 181
- Group
- Mites, harvestmen and other arachnids
Acalitus rudis
- Peak month
- June
- Records since 2000
- 162
- Group
- Mites, harvestmen and other arachnids
Lacinius ephippiatus
- Peak month
- June
- Records since 2000
- 161
- Group
- Mites, harvestmen and other arachnids
Ixodes canisuga
- Peak month
- January
- Records since 2000
- 154
- Group
- Mites, harvestmen and other arachnids
Platybunus pinetorum
- Peak month
- May
- Records since 2000
- 153
- Group
- Mites, harvestmen and other arachnids
Vasates quadripedes
- Peak month
- September
- Records since 2000
- 152
- Group
- Mites, harvestmen and other arachnids