Ethmodiscus punctiger
- Group
- Seaweeds and algae
- Records since 2000
- 58
- Peak month
- May
Eustalomyia histrio
- Group
- True flies
- Records since 2000
- 58
- Peak month
- May
Gymnusa brevicollis
- Group
- Beetles
- Records since 2000
- 58
- Peak month
- May
Large Thistle Weevil
- Group
- Beetles
- Records since 2000
- 58
- Scientific name
- Cleonis pigra
Megalonotus emarginatus
- Group
- True bugs
- Records since 2000
- 58
- Peak month
- May
Micarea myriocarpa
- Group
- Lichens
- Records since 2000
- 58
- Peak month
- May
Pegomya rubivora
- Group
- True flies
- Records since 2000
- 58
- Peak month
- May
Plakosyllis brevipes
- Group
- Worms (annelids)
- Records since 2000
- 58
- Peak month
- May
Platystethus cornutus
- Group
- Beetles
- Records since 2000
- 58
- Peak month
- May
A fungus
- Group
- Lichens
- Records since 2000
- 57
- Scientific name
- Opegrapha pertusariicola
Aphis cucubali
- Group
- True bugs
- Records since 2000
- 57
- Peak month
- May
Byssoloma marginatum
- Group
- Lichens
- Records since 2000
- 57
- Peak month
- May
Cardinal Click Beetle
- Group
- Beetles
- Records since 2000
- 57
- Scientific name
- Ampedus cardinalis
Cheilosia semifasciata
- Group
- True flies
- Records since 2000
- 57
- Peak month
- May
Cis villosulus
- Group
- Beetles
- Records since 2000
- 57
- Peak month
- May
Common peony
- Group
- Flowering plants
- Records since 2000
- 57
- Scientific name
- Paeonia officinalis
Crumomyia nitida
- Group
- True flies
- Records since 2000
- 57
- Peak month
- May
Dixa submaculata
- Group
- True flies
- Records since 2000
- 57
- Peak month
- May
Loxosomella phascolosomata
- Group
- Other invertebrates
- Records since 2000
- 57
- Peak month
- May
Megaselia fungivora
- Group
- True flies
- Records since 2000
- 57
- Peak month
- May
Molophilus propinquus
- Group
- True flies
- Records since 2000
- 57
- Peak month
- May
Nomada sheppardana
- Group
- Bees, wasps and ants
- Records since 2000
- 57
- Peak month
- May
Paracymus scutellaris
- Group
- Beetles
- Records since 2000
- 57
- Peak month
- May
Pterocomma salicis
- Group
- True bugs
- Records since 2000
- 57
- Peak month
- May
Saxifraga hirsuta
- Group
- Flowering plants
- Records since 2000
- 57
- Peak month
- May
Tychus niger
- Group
- Beetles
- Records since 2000
- 57
- Peak month
- May
A sponge
- Group
- Sponges
- Records since 2000
- 56
- Scientific name
- Quasillina brevis
Argenna subnigra
- Group
- Spiders
- Records since 2000
- 56
- Peak month
- May
Ascidicola rosea
- Group
- Crustaceans
- Records since 2000
- 56
- Peak month
- May
Cryptorchestia cavimana
- Group
- Crustaceans
- Records since 2000
- 56
- Peak month
- May
Diplapion stolidum
- Group
- Beetles
- Records since 2000
- 56
- Peak month
- May
Elachista humilis
- Group
- Butterflies and moths
- Records since 2000
- 56
- Peak month
- May
Empis femorata
- Group
- True flies
- Records since 2000
- 56
- Peak month
- May
Microcalicium lichen
- Group
- Lichens
- Records since 2000
- 56
- Scientific name
- Microcalicium disseminatum
Monophadnus pallescens
- Group
- Bees, wasps and ants
- Records since 2000
- 56
- Peak month
- May
Nannastacus brevicaudatus
- Group
- Crustaceans
- Records since 2000
- 56
- Peak month
- May
Obrium brunneum
- Group
- Beetles
- Records since 2000
- 56
- Peak month
- May
Puccinia variabilis
- Group
- Fungi
- Records since 2000
- 56
- Peak month
- May
Rhizophagus perforatus
- Group
- Beetles
- Records since 2000
- 56
- Peak month
- May
Scottish Primrose
- Group
- Flowering plants
- Records since 2000
- 56
- Scientific name
- Primula scotica
Straminella conizaeoides
- Group
- Lichens
- Records since 2000
- 56
- Peak month
- May
Thymus citriodorus
- Group
- Flowering plants
- Records since 2000
- 56
- Peak month
- May
Tripodiscus argus
- Group
- Seaweeds and algae
- Records since 2000
- 56
- Peak month
- May
Botanophila dissecta
- Group
- True flies
- Records since 2000
- 55
- Peak month
- May
Coniosternum decipiens
- Group
- True flies
- Records since 2000
- 55
- Peak month
- May
Coscinodiscus granii
- Group
- Seaweeds and algae
- Records since 2000
- 55
- Peak month
- May
Golden blue-eyed grass
- Group
- Flowering plants
- Records since 2000
- 55
- Scientific name
- Sisyrinchium californicum
Malacoceros vulgaris
- Group
- Worms (annelids)
- Records since 2000
- 55
- Peak month
- May