Flight periods

Light gray color shows the general flight interval of the species from the relevant area.
Dark gray color when the species is most numerous.
A black spike means a peak moment.

Probably with all species extralimital observations exist, and more will come with the ongoing global warming. I'll make corrections as seem fit. As of 2026 flight periods are only made for European species.

Scandinavia (Norway, Finland, Sweden and Denmark): Based on Billqvist 2023, but updated to current state (2025), based on the relevant citizen science databases.
Europe meaning the general pattern for the entire continent, also separated into a northern and southern region where it makes sense. Based on Smallshire and Swash (2020).
Denmark (dragonflies)    Common    Scientific
 
 JFMAMJJASOND 
Chalcolestes viridisScandinavia
 Europe
Lestes barbarusScandinavia
 N Europe
 S Europe
Lestes dryasScandinavia
 Europe
Lestes sponsaScandinavia
 Europe
Lestes virensScandinavia
 N Europe
 S Europe
Sympecma fuscaScandinavia
 Europe
Calopteryx splendensScandinavia
 Europe
Calopteryx virgoScandinavia
 Europe
Platycnemis pennipesScandinavia
 Europe
Coenagrion armatumScandinavia
 Europe
 JFMAMJJASOND 
Coenagrion hastulatumScandinavia
 Europe
Coenagrion lunulatumScandinavia
 Europe
Coenagrion puellaScandinavia
 Europe
Coenagrion pulchellumScandinavia
 Europe
Enallagma cyathigerumScandinavia
 Europe
Erythromma najasScandinavia
 Europe
Erythromma viridulumScandinavia
 Europe
Ischnura elegansScandinavia
 Europe
Ischnura pumilioScandinavia
 N Europe
 S Europe
Nehalennia speciosaScandinavia
 Europe
 JFMAMJJASOND 
Pyrrhosoma nymphulaScandinavia
 Europe
Aeshna affinisScandinavia
 N Europe
 S Europe
Aeshna cyaneaScandinavia
 Europe
Aeshna grandisScandinavia
 Europe
Aeshna junceaScandinavia
 Europe
Aeshna mixtaScandinavia
 Europe
Aeshna serrataScandinavia
 Europe
Aeshna subarcticaScandinavia
 Europe
Aeshna viridisScandinavia
 Europe
Anax ephippigerScandinavia
 Europe
 JFMAMJJASOND 
Anax imperatorScandinavia
 Europe
Anax parthenopeScandinavia
 Europe
Brachytron pratenseScandinavia
 Europe
Isoaeschna isocelesScandinavia
 Europe
Gomphus vulgatissimusScandinavia
 Europe
Onychogomphus forcipatusScandinavia
 Europe
Ophiogomphus ceciliaScandinavia
 Europe
Cordulegaster boltoniiScandinavia
 Europe
Crocothemis erythraeaScandinavia
 Europe
Leucorrhinia albifronsScandinavia
 Europe
 JFMAMJJASOND 
Leucorrhinia caudalisScandinavia
 N Europe
 S Europe
Leucorrhinia dubiaScandinavia
 Europe
Leucorrhinia pectoralisScandinavia
 N Europe
 S Europe
Leucorrhinia rubicundaScandinavia
 N Europe
 S Europe
Libellula depressaScandinavia
 Europe
Libellula fulvaScandinavia
 Europe
Libellula quadrimaculataScandinavia
 Europe
Orthetrum cancellatumScandinavia
 Europe
Orthetrum coerulescensScandinavia
 Europe
Sympetrum danaeScandinavia
 Europe
 JFMAMJJASOND 
Sympetrum flaveolumScandinavia
 Europe
Sympetrum fonscolombiiScandinavia
 Europe
Sympetrum pedemontanumScandinavia
 Europe
Sympetrum sanguineumScandinavia
 Europe
Sympetrum striolatumScandinavia
 Europe
Sympetrum vulgatumScandinavia
 Europe
Cordulia aeneaScandinavia
 Europe
Epitheca bimaculataScandinavia
 N Europe
 S Europe
Somatochlora arcticaScandinavia
 Europe
Somatochlora flavomaculataScandinavia
 Europe
 JFMAMJJASOND 
Somatochlora metallicaScandinavia
 Europe