Dragonfly Flight Periods

The interactive phenology tool will display flight periods and allow the simultaneous comparison of up to three species.       PHENOLOGY TOOL1

ANISOPTERA   May June July August Sept Oct Nov
Aeshnidae No. First Last A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C
Aeshna canadensis 425 6.25 10.12 12 7 7 17 26 27 27 39 50 55 61 35 16 15 9 13 4 5
Aeshna clepsydra 92 7.21 10.13 2 1 2 7 14 7 15 9 11 7 6 6 4 1
Aeshna constricta 99 7.23 10.19 1 2 9 8 13 14 13 14 13 5 4 1 1 1
Aeshna eremita 166 5.27 10.15 1 2 1 1 7 8 3 8 9 14 10 7 10 18 21 9 6 7 10 10 3 1
Aeshna i. interrupta 161 6.22 10.12 1 1 1 6 5 21 17 22 22 23 10 12 8 5 3 2 2
Aeshna juncea 1 7.18 7.18 1
Aeshna sitchensis 40 6.25 8.30 4 2 2 1 4 1 5 5 8 5 3
Aeshna subarctica 27 7.31 9.10 1 1 3 7 7 6 1 1
Aeshna tuberculifera 174 6.26 10.14 1 1 2 3 12 8 9 19 22 25 23 9 12 9 7 4 4 3 1
Aeshna u. umbrosa 349 6.14 11.03 1 2 5 1 3 4 13 24 24 17 31 27 41 26 32 23 12 22 19 11 6 2 2 1
Aeshna verticalis 75 7.02 10.10 4 3 2 3 2 2 8 7 12 9 8 4 3 4 1 2 1
Anax junius 351 5.04 10.12 3 8 3 2 5 5 7 18 32 49 25 17 24 17 10 14 20 21 22 15 7 4 7 4 8 2 2
Anax longipes 2 6.26 7.10 1 1
Basiaeschna janata 286 5.12 8.08 1 3 7 18 22 19 41 70 59 26 7 6 5 1 1
Boyeria grafiana 111 6.19 9.23 8 14 15 8 4 16 19 4 4 6 1 5 4 1 2
Boyeria vinosa 281 5.27 11.22 8 15 18 18 38 9 2 8 4 13 14 4 14 12 19 29 13 14 15 4 3 4 1 1
Epiaeschna heros 15 6.18 9.01 2 3 4 3 2 1
Gomphaeschna furcillata 38 5.12 7.11 1 1 1 3 4 3 5 11 8 1
Nasiaeschna pentacantha 27 6.10 7.11 1 8 8 6 1 3
Rhionaeschna mutata 2 6.20 6.21 2
  May June July August Sept Oct Nov
Gomphidae No. First Last A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C
Ariogomphus furcifer 11 6.01 6.25 4 2 4 1
Arigomphus villosipes 22 6.18 7.31 1 2 9 5 1 2 2
Dromogomphus spinosus 199 6.08 9.20 7 16 19 25 13 8 7 17 8 8 13 10 17 9 9 8 4 1
Gomphus abbreviatus 44 5.25 7.24 4 9 14 3 5 5 2 1 1
Gomphus adelphus 144 5.30 8.07 1 4 7 10 46 41 19 4 2 8 1 1
Gomphus borealis 79 5.17 7.20 1 4 7 2 12 17 20 10 3 1 2
Gomphus descriptus 43 6.03 7.23 1 4 19 10 6 3
Gomphus exilis 409 5.17 8.23 1 1 12 25 39 38 60 82 54 25 18 19 11 7 9 5 3
Gomphus fraternus 0
Gomphus lividus 0
Gomphus quadricolor 2 6.17 6.18 2
Gomphus spicatus 225 4.18 7.26 1 2 16 29 42 37 28 36 19 6 4 3 2
Gomphus vastus 2 6.24 7.01 2
Hagenius brevistylus 247 6.05 9.06 1 5 11 24 37 21 10 19 23 29 15 14 13 13 9 3
Lanthus parvulus 38 6.13 7.29 4 10 8 1 7 5 3
Lanthus vernalis 27 6.11 7.30 1 3 2 5 4 3 2 4 3
Ophiogomphus anomalus 244 5.25 7.26 8 7 48 75 53 27 7 7 7 3 2
Ophiogomphus aspersus 64 6.12 8.27 1 7 16 17 8 2 2 5 1 2 1 2
Ophiogomphus carolus 164 6.06 8.24 1 7 27 52 34 14 8 10 6 3 1 1
Ophiogomphus colubrinus 4 6.23 7.25 2 1 1
Ophiogomphus howei 72 5.25 7.07 1 1 24 31 8 4 2 1
Ophiogomphus mainensis 243 5.17 7.28 1 2 3 38 70 58 31 18 8 4 7 3
Ophiogomphus rupinsulensis 104 6.13 8.31 14 33 19 13 3 7 3 5 3 1 1 2
Progomphus obscurus 11 6.26 8.19 2 5 2 1 1
Stylogomphus albistylus 184 5.29 9.02 1 6 1 12 41 36 23 12 11 15 14 5 2 2 2 1
Stylurus amnicola 1 7.30 7.30 1
Stylurus notatus 1 7.30 7.30 1
Stylurus scudderi 22 7.02 9.25 4 1 4 3 1 5 3 1
Stylurus spiniceps 1 7.06 7.06 1
  May June July August Sept Oct Nov
Cordulegastridae No. First Last A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C
Cordulegaster diastatops 93 6.02 7.29 1 5 9 17 17 16 10 5 10 3
Cordulegaster maculata 163 5.15 7.28 1 1 3 20 57 36 14 16 3 7 5
Cordulegaster obliqua 8 6.18 7.16 1 1 2 2 2
  May June July August Sept Oct Nov
Macromiidae No. First Last A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C
Didymops transversa 221 5.01 7.31 1 1 4 9 21 35 34 26 37 27 12 4 3 6 1
Macromia illinoiensis 271 5.29 9.12 2 3 13 34 60 74 26 8 13 14 6 7 2 4 1 2 1 1
  May June July August Sept Oct Nov
Corduliidae No. First Last A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C
Cordulia shurtleffii 271 5.12 8.31 1 4 13 19 29 31 25 53 47 21 6 9 10 1 1 1
Dorocordulia lepida 125 6.03 8.31 2 3 2 12 23 15 10 10 10 4 4 11 13 5 1
Dorocordulia libera 192 5.19 8.17 1 1 10 8 13 38 54 17 8 9 18 8 4 2 1
Epitheca canis 246 5.05 7.21 1 8 6 17 27 30 20 33 48 32 15 4 1 4
Epitheca cynosura 161 5.22 7.29 1 6 13 15 23 33 46 19 1 1 2 1
Epitheca princeps 176 6.04 9.24 1 4 17 41 63 23 9 3 9 2 2 1 1
Epitheca semiaquea 75 5.15 7.19 1 3 8 9 13 13 13 6 7 1 1
Epitheca spinigera 204 5.22 7.21 2 16 30 25 28 27 42 21 7 3 2 1
Helocordulia uhleri 263 5.16 7.20 5 9 20 35 28 42 56 48 9 4 1 6
Neurocordulia michaeli 50 6.07 7.16 3 8 16 18 3 1 1
Neurocordulia obsoleta 156 5.27 9.19 2 9 39 52 21 11 3 4 4 3 1 1 3 1 1 1
Neurocordulia yamaskanensis 15 6.08 7.06 1 6 4 1 3
Somatochlora albicincta 8 7.04 8.06 2 1 2 1 2
Somatochlora brevicincta 7 6.25 7.12 3 1 3
Somatochlora cingulata 33 6.09 9.12 2 3 1 2 4 4 10 4 2 1
Somatochlora elongata 65 6.08 9.08 2 1 1 8 8 1 6 10 3 5 6 4 6 3 1
Somatochlora forcipata 45 5.29 9.10 1 1 1 4 8 8 5 1 1 3 6 1 2 1 1 1
Somatochlora franklini 54 6.02 8.07 2 1 6 5 16 9 2 2 4 4 2 1
Somatochlora incurvata 45 6.26 10.01 1 1 3 1 8 13 6 7 2 2 1
Somatochlora kennedyi 59 6.01 7.28 4 6 9 9 10 13 5 1 1 1
Somatochlora minor 48 6.19 8.14 9 7 15 9 1 2 3 1 1
Somatochlora tenebrosa 20 6.20 9.06 1 2 1 1 3 3 2 2 2 2 1
Somatochlora walshii 86 6.08 9.03 2 1 5 7 8 5 4 8 13 9 7 8 6 2 1
Somatochlora williamsoni 63 6.25 9.09 5 4 2 3 7 8 7 3 9 9 4 2
Williamsonia fletcheri 63 5.06 7.02 2 4 16 14 7 8 1 3 5 2 1
Williamsonia lintneri 50 4.27 6.11 7 12 11 10 4 4 1
  May June July August Sept Oct Nov
Libellulidae No. First Last A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C
Celithemis elisa 322 5.24 9.09 1 1 3 3 14 30 54 34 25 24 26 21 16 24 15 18 11 1 1
Celithemis eponina 77 6.25 9.11 2 4 4 8 8 7 13 6 4 8 10 2 1
Celithemis martha 65 7.01 9.06 2 4 4 5 6 4 12 11 10 6 1
Erythemis simplicicollis 53 6.21 9.21 3 5 7 2 7 4 4 4 2 3 5 3 2 1 1
Erythrodiplax berenice 29 6.13 8.31 2 5 1 3 3 4 3 2 5 1
Ladona exusta 133 5.17 8.31 2 1 9 10 5 10 17 28 16 13 4 5 4 3 2 2 1 1
Ladona julia 509 5.13 8.31 4 4 19 37 46 50 78 114 62 28 20 22 11 8 2 1 3
Leucorrhinia frigida 344 5.19 8.28 1 9 18 8 16 33 51 35 23 29 41 27 12 16 16 6 3
Leucorrhinia glacialis 142 5.19 10.14 3 5 7 11 12 17 18 9 5 8 12 7 8 7 7 4 1 1
Leucorrhinia hudsonica 224 5.06 8.20 1 10 13 19 29 18 14 20 20 34 18 11 7 5 2 1 1 1
Leucorrhinia intacta 345 5.17 10.14 2 5 17 32 29 33 48 72 36 14 22 16 10 5 3 1
Leucorrhinia patricia 1 6.18 7.29 1
Leucorrhinia proxima 182 5.12 8.09 1 2 5 4 10 14 30 42 19 13 7 18 11 3 3
Libellula cyanea 47 6.21 8.26 4 10 5 4 7 9 3 3 1 1
Libellula incesta 447 6.15 9.25 6 14 56 40 39 43 47 42 24 30 27 24 27 10 8 3 6 1
Libellula luctuosa 108 6.03 9.25 2 1 3 10 15 15 15 8 7 8 5 3 7 2 2 2 1 1 1
Libellula needhami 1 6.26 6.26 1
Libellula pulchella 197 6.07 9.17 1 6 32 19 12 16 17 12 18 22 21 8 8 3 1 1
Libellula quadrimaculata 390 5.15 8.31 4 1 18 22 29 24 68 97 42 23 13 25 8 6 2 4 3 1
Libellula semifasciata 6 6.20 7.11 2 1 1 2
Libellula vibrans 0
Nannothemis bella 58 5.25 8.23 3 4 4 9 8 13 4 1 1 3 1 3 1 1 2
Pachydiplax longipennis 142 6.11 10.09 1 17 8 12 19 9 9 4 6 11 14 14 5 6 1 3 2 1
Pantala flavescens 64 6.28 9.30 2 1 2 1 1 2 7 14 8 10 6 3 4 3
Pantala hymenaea 21 6.25 8.24 3 5 3 3 2 3 2
Perithemis tenera 103 6.21 9.24 1 1 1 5 9 14 7 7 12 9 12 13 6 3 3
Plathemis lydia 303 5.23 9.13 1 15 10 19 35 57 37 14 23 20 18 11 8 13 8 7 3 3 1
Sympetrum ambiguum 0
Sympetrum corruptum 2 7.14 8.08 1 1
Sympetrum costiferum 148 6.30 11.08 1 1 2 6 8 21 20 15 23 7 9 4 7 9 5 2 3 2 1 1 1
Sympetrum danae 24 6.18 10.20 1 1 2 1 2 1 4 2 1 4 1 1 1 1 1
Sympetrum internum 649 6.18 10.25 1 4 15 10 20 27 47 50 32 60 58 63 72 42 49 32 17 21 15 11 1
Sympetrum janeae 6 6.26 7.01 4 1 1
Sympetrum obtrusum 305 6.19 10.26 1 3 4 1 4 9 29 24 17 22 35 39 18 25 18 15 16 11 5 4 3 2
Sympetrum semicinctum 181 7.06 10.20 1 2 1 6 13 9 15 30 21 23 11 11 8 8 7 10 4 1
Sympetrum vicinum 528 7.03 11.19 2 2 3 5 9 19 27 40 57 64 36 40 29 25 36 28 29 21 18 13 12 5 5
Tramea carolina 2 8.11 8.18 1 1
Tramea lacerata 2 6.26 9.14 1 1
  No. First Last A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C
  May June July August Sept Oct Nov
  1. Thanks to Dr. Herb Wilson (Colby College) for designing the interactive phenology tool.