| Pieris brassicae (Large White) | | 2020-05-31 | 2020-05-30 | | Søre Kjømme (Buskerud, Norway) |  |
| Nymphalis antiopa (Camberwell Beauty) | | 2020-05-31 | 2020-05-30 | | Søre Kjømme (Buskerud, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-31 | 2020-05-31 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Issoria lathonia (Queen of Spain Fritillary) | | 2020-05-31 | 2020-05-31 | | Verpentangen (Akershus, Norway) | |
| Gonepteryx rhamni (Brimstone) | | 2020-05-31 | 2020-05-31 | | Verpentangen (Akershus, Norway) | |
| Callophrys rubi (Green Hairstreak) | | 2020-05-31 | 2020-05-31 | | Verpentangen (Akershus, Norway) | |
| Callophrys rubi (Green Hairstreak) | | 2020-05-30 | 2020-05-30 |  | Barmanveien 9 (Trøndelag, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-30 | 2020-05-30 | | Barmanveien 9 (Trøndelag, Norway) | |
| Celastrina argiolus (Holly Blue) | | 2020-05-30 | 2020-05-30 | | Barmanveien 9 (Trøndelag, Norway) | |
| Gonepteryx rhamni (Brimstone) | | 2020-05-30 | 2020-05-29 | | Hesvik (Vestland, Norway) | |
| Lasiommata petropolitana (Northern Wall Brown) | | 2020-05-30 | 2020-05-29 | | Hesvik (Vestland, Norway) | |
| Vanessa atalanta (Red Admiral) | | 2020-05-30 | 2020-05-29 | | Hesvik (Vestland, Norway) | |
| Pieris napi (Green-veined White) | | 2020-05-30 | 2020-05-29 | | Hesvik (Vestland, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-30 | 2020-05-29 | | Hesvik (Vestland, Norway) | |
| Anthocharis cardamines (Orange Tip) | | 2020-05-30 | 2020-05-29 | | Hesvik (Vestland, Norway) | |
| Pieris napi (Green-veined White) | | 2020-05-29 | 2020-05-29 | | Revtangen Ornitologiske Stasjon (Rogaland, Norway) | |
| Vanessa atalanta (Red Admiral) | | 2020-05-29 | 2020-05-29 | | Revtangen Ornitologiske Stasjon (Rogaland, Norway) | |
| Pieris napi (Green-veined White) | | 2020-05-29 | 2020-05-28 | | Ogna Golfbane (Rogaland, Norway) | |
| Aglais io (Peacock Butterfly) | | 2020-05-29 | 2020-05-28 | | Ogna Golfbane (Rogaland, Norway) | |
| Lycaena phlaeas (Small Copper) | | 2020-05-29 | 2020-05-29 | | Hustoft gnr. 150/4 (Rogaland, Norway) | |
| Anthocharis cardamines (Orange Tip) | | 2020-05-28 | 2020-05-28 | | Rena og omegn (Innlandet, Norway) | |
| Nymphalis antiopa (Camberwell Beauty) | | 2020-05-27 | 2020-05-27 | | Feiringvegen, Minnesund (Akershus, Norway) | |
| Pieris brassicae (Large White) | | 2020-05-25 | 2020-05-25 | | Vaksvik (Møre og Romsdal, Norway) | |
| Pieris napi (Green-veined White) | | 2020-05-25 | 2020-05-22 | | Hesvik (Vestland, Norway) | |
| Lasiommata petropolitana (Northern Wall Brown) | | 2020-05-25 | 2020-05-21 | | Knarrevik (Vestland, Norway) | |
| Anthocharis cardamines (Orange Tip) | | 2020-05-25 | 2020-05-21 | | Knarrevik (Vestland, Norway) | |
| Gonepteryx rhamni (Brimstone) | | 2020-05-25 | 2020-05-21 | | Knarrevik (Vestland, Norway) | |
| Vanessa atalanta (Red Admiral) | | 2020-05-23 | 2020-05-23 | | Presthammer (Rogaland, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-23 | 2020-04-25 | | Innspurten (Oslo, Norway) | |
| Pieris napi (Green-veined White) | | 2020-05-23 | 2020-04-25 | | Innspurten (Oslo, Norway) | |
| Anthocharis cardamines (Orange Tip) | | 2020-05-23 | 2020-05-02 | | Svartdalsparken (Oslo, Norway) | |
| Pieris napi (Green-veined White) | | 2020-05-23 | 2020-05-03 | | Ulven (Oslo, Norway) | |
| Polygonia c-album (Comma Butterfly) | | 2020-05-23 | 2020-05-03 | | Ulven (Oslo, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-23 | 2020-05-03 | | Ulven (Oslo, Norway) | |
| Anthocharis cardamines (Orange Tip) | | 2020-05-23 | 2020-05-21 | | Kadettangen, Sandvika (Akershus, Norway) | |
| Gonepteryx rhamni (Brimstone) | | 2020-05-23 | 2020-05-21 | | Kadettangen, Sandvika (Akershus, Norway) | |
| Anthocharis cardamines (Orange Tip) | | 2020-05-23 | 2020-05-20 | | Nydalen (Oslo, Norway) | |
| Anthocharis cardamines (Orange Tip) | | 2020-05-23 | 2020-05-05 | | Nydalen (Oslo, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-23 | 2020-04-22 | | Nydalen (Oslo, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-23 | 2020-04-16 | | Hasle (Oslo, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-23 | 2020-04-15 | | Hasle (Oslo, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-23 | 2020-04-07 | | Hasle (Oslo, Norway) | |
| Vanessa atalanta (Red Admiral) | | 2020-05-22 | 2020-04-19 | | Løvstakken (Vestland, Norway) | |
| Celastrina argiolus (Holly Blue) | | 2020-05-21 | 2020-05-21 | | Barmanveien 9 (Trøndelag, Norway) | |
| Aglais urticae (Small Tortoiseshell) | | 2020-05-21 | 2020-05-21 | | Barmanveien 9 (Trøndelag, Norway) | |
| Callophrys rubi (Green Hairstreak) | | 2020-05-21 | 2020-05-21 | | Barmanveien 9 (Trøndelag, Norway) | |
| Aglais io (Peacock Butterfly) | | 2020-05-21 | 2020-05-20 | | Frakkagjerddalen (Rogaland, Norway) | |
| Callophrys rubi (Green Hairstreak) | | 2020-05-20 | 2020-05-20 | | Kloterudveien (Akershus, Norway) | |
| Aglais io (Peacock Butterfly) | | 2020-05-19 | 2020-05-19 | | Brumåsavegen (Akershus, Norway) | |
| Pieris rapae (Small White) | | 2020-05-16 | 2020-05-04 | | Flåtten (Telemark, Norway) | |