32 butterflies were recorded flying in Kansas in March in our iNaturalist sample; 2 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top butterflies in March

Red Admiral

Goatweed Leafwing

Eastern Comma

Eastern Tiger Swallowtail
Mourning Cloak

Painted Lady

Spring Azure

Gray Hairstreak

Small White

Question Mark

Gray Comma

Orange Sulphur
All butterflies flying in Kansas in March
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Red Admiral | Vanessa atalanta | Brush-footed Butterflies | 29 | Apr (rising) |
| 2 | Goatweed Leafwing | Anaea andria | Brush-footed Butterflies | 29 | Apr (rising) |
| 3 | Eastern Comma | Polygonia comma | Brush-footed Butterflies | 26 | Sep (rising) |
| 4 | Eastern Tiger Swallowtail | Papilio glaucus | Swallowtails and Parnassians | 23 | Aug (rising) |
| 5 | Mourning Cloak | Nymphalis antiopa | Brush-footed Butterflies | 21 | May (rising) |
| 6 | Painted Lady | Vanessa cardui | Brush-footed Butterflies | 17 | Sep (rising) |
| 7 | Spring Azure | Celastrina ladon | Gossamer-winged Butterflies | 17 | Mar (peak) |
| 8 | Gray Hairstreak | Strymon melinus | Gossamer-winged Butterflies | 12 | Sep (rising) |
| 9 | Small White | Pieris rapae | Whites, Yellows, and Sulphurs | 12 | Sep (rising) |
| 10 | Question Mark | Polygonia interrogationis | Brush-footed Butterflies | 11 | Jun (rising) |
| 11 | Gray Comma | Polygonia progne | Brush-footed Butterflies | 11 | Mar (peak) |
| 12 | Orange Sulphur | Colias eurytheme | Whites, Yellows, and Sulphurs | 8 | Oct (rising) |
| 13 | Eastern Tailed-Blue | Everes comyntas | Gossamer-winged Butterflies | 8 | Jun (rising) |
| 14 | Zebra Swallowtail | Eurytides marcellus | Swallowtails and Parnassians | 8 | Jun (rising) |
| 15 | Black Swallowtail | Papilio polyxenes | Swallowtails and Parnassians | 6 | Aug (rising) |
| 16 | Monarch | Danaus plexippus | Brush-footed Butterflies | 5 | Sep (rising) |
| 17 | Pearl Crescent | Phyciodes tharos | Brush-footed Butterflies | 5 | Sep (rising) |
| 18 | American Lady | Vanessa virginiensis | Brush-footed Butterflies | 4 | Apr (rising) |
| 19 | Common Checkered-Skipper | Burnsius communis | Skippers | 3 | Oct (rising) |
| 20 | Dainty Sulphur | Nathalis iole | Whites, Yellows, and Sulphurs | 2 | Sep (rising) |
| 21 | Wild Indigo Duskywing | Erynnis baptisiae | Skippers | 2 | Jul (rising) |
| 22 | Clouded Sulphur | Colias philodice | Whites, Yellows, and Sulphurs | 2 | Oct (rising) |
| 23 | Checkered White | Pontia protodice | Whites, Yellows, and Sulphurs | 2 | Jun (rising) |
| 24 | Common Buckeye | Junonia coenia | Brush-footed Butterflies | 1 | Sep (rising) |
| 25 | Common Sootywing | Pholisora catullus | Skippers | 1 | Aug (rising) |
| 26 | Falcate Orangetip | Anthocharis midea | Whites, Yellows, and Sulphurs | 1 | Apr (rising) |
| 27 | Silver-spotted Skipper | Epargyreus clarus | Skippers | 1 | Sep (rising) |
| 28 | Juniper Hairstreak | Callophrys gryneus | Gossamer-winged Butterflies | 1 | Jul (rising) |
| 29 | Eastern Giant Swallowtail | Heraclides cresphontes | Swallowtails and Parnassians | 1 | Jul (rising) |
| 30 | Reakirt's Blue | Echinargus isola | Gossamer-winged Butterflies | 1 | Jun (rising) |
| 31 | Red-banded Hairstreak | Calycopis cecrops | Gossamer-winged Butterflies | 1 | Sep (rising) |
| 32 | Eastern Gemmed-Satyr | Cyllopsis gemma | Brush-footed Butterflies | 1 | Apr (rising) |