| Common Name |
County |
| 1 Common Green Darner - Anax junius | |
[1] record for Hertford |
| 2 Springtime Darner - Basiaeschna janata | |
[2] records for Hertford |
| 3 Fawn Darner - Boyeria vinosa | |
[1] record for Hertford |
| 4 Swamp Darner - Epiaeschna heros | |
[2] records for Hertford |
| 5 Harlequin Darner - Gomphaeschna furcillata | |
[4] records for Hertford |
| 6 Cyrano Darner - Nasiaeschna pentacantha | |
[1] record for Hertford |
| 7 Two-striped Forceptail - Aphylla williamsoni | |
[1] record for Hertford |
| 8 Black-shouldered Spinyleg - Dromogomphus spinosus | |
[3] records for Hertford |
| 9 Dragonhunter - Hagenius brevistylus | |
[1] record for Hertford |
| 10 Lancet Clubtail - Phanogomphus exilis | |
[1] record for Hertford |
| 11 Ashy Clubtail - Phanogomphus lividus | |
[2] records for Hertford |
| 12 Russet-tipped Clubtail - Stylurus plagiatus | |
[5] records for Hertford |
| 13 Allegheny River Cruiser - Macromia alleghaniensis | |
[1] record for Hertford |
| 14 Swift River Cruiser - Macromia illinoiensis | |
[3] records for Hertford |
| 15 Royal River Cruiser - Macromia taeniolata | |
[1] record for Hertford |
| 16 Stream Cruiser - Macromia transversa | |
[3] records for Hertford |
| 17 Common Baskettail - Epitheca cynosura | |
[2] records for Hertford |
| 18 Prince Baskettail - Epitheca princeps | |
[1] record for Hertford |
| 19 Mantled Baskettail - Epitheca semiaquea | |
[1] record for Hertford |
| 20 Selys's Sundragon - Helocordulia selysii | |
[2] records for Hertford |
| 21 Umber Shadowdragon - Neurocordulia obsoleta | |
[1] record for Hertford |
| 22 Fine-lined Emerald - Somatochlora filosa | |
[2] records for Hertford |
| 23 Mocha Emerald - Somatochlora linearis | |
[1] record for Hertford |
| 24 Clamp-tipped Emerald - Somatochlora tenebrosa | |
[1] record for Hertford |
| 25 Four-spotted Pennant - Brachymesia gravida | |
[2] records for Hertford |
| 26 Calico Pennant - Celithemis elisa | |
[1] record for Hertford |
| 27 Halloween Pennant - Celithemis eponina | |
[6] records for Hertford |
| 28 Banded Pennant - Celithemis fasciata | |
[2] records for Hertford |
| 29 Eastern Pondhawk - Erythemis simplicicollis | |
[2] records for Hertford |
| 30 Little Blue Dragonlet - Erythrodiplax minuscula | |
[1] record for Hertford |
| 31 Blue Corporal - Ladona deplanata | |
[1] record for Hertford |
| 32 Golden-winged Skimmer - Libellula auripennis | |
[1] record for Hertford |
| 33 Spangled Skimmer - Libellula cyanea | |
[2] records for Hertford |
| 34 Yellow-sided Skimmer - Libellula flavida | |
[1] record for Hertford |
| 35 Slaty Skimmer - Libellula incesta | |
[7] records for Hertford |
| 36 Widow Skimmer - Libellula luctuosa | |
[1] record for Hertford |
| 37 Needham's Skimmer - Libellula needhami | |
[1] record for Hertford |
| 38 Twelve-spotted Skimmer - Libellula pulchella | |
[1] record for Hertford |
| 39 Painted Skimmer - Libellula semifasciata | |
[1] record for Hertford |
| 40 Great Blue Skimmer - Libellula vibrans | |
[8] records for Hertford |
| 41 Blue Dasher - Pachydiplax longipennis | |
[1] record for Hertford |
| 42 Wandering Glider - Pantala flavescens | |
[1] record for Hertford |
| 43 Spot-winged Glider - Pantala hymenaea | |
[1] record for Hertford |
| 44 Eastern Amberwing - Perithemis tenera | |
[1] record for Hertford |
| 45 Common Whitetail - Plathemis lydia | |
[1] record for Hertford |
| 46 Blue-faced Meadowhawk - Sympetrum ambiguum | |
[1] record for Hertford |
| 47 Autumn Meadowhawk - Sympetrum vicinum | |
[1] record for Hertford |
| 48 Carolina Saddlebags - Tramea carolina | |
[3] records for Hertford |
| 49 Black Saddlebags - Tramea lacerata | |
[1] record for Hertford |
| 50 Southern Spreadwing - Lestes australis | |
[1] record for Hertford |
| 51 Elegant Spreadwing - Lestes inaequalis | |
[1] record for Hertford |
| 52 Slender Spreadwing - Lestes rectangularis | |
[1] record for Hertford |
| 53 Swamp Spreadwing - Lestes vigilax | |
[1] record for Hertford |
| 54 Sparkling Jewelwing - Calopteryx dimidiata | |
[2] records for Hertford |
| 55 Ebony Jewelwing - Calopteryx maculata | |
[2] records for Hertford |
| 56 Blue-fronted Dancer - Argia apicalis | |
[1] record for Hertford |
| 57 Variable Dancer - Argia fumipennis | |
[11] records for Hertford |
| 58 Blue-ringed Dancer - Argia sedula | |
[4] records for Hertford |
| 59 Blue-tipped Dancer - Argia tibialis | |
[2] records for Hertford |
| 60 Azure Bluet - Enallagma aspersum | |
[1] record for Hertford |
| 61 Double-striped Bluet - Enallagma basidens | |
[1] record for Hertford |
| 62 Familiar Bluet - Enallagma civile | |
[1] record for Hertford |
| 63 Attenuated Bluet - Enallagma daeckii | |
[1] record for Hertford |
| 64 Turquoise Bluet - Enallagma divagans | |
[1] record for Hertford |
| 65 Atlantic Bluet - Enallagma doubledayi | |
[1] record for Hertford |
| 66 Stream Bluet - Enallagma exsulans | |
[4] records for Hertford |
| 67 Skimming Bluet - Enallagma geminatum | |
[1] record for Hertford |
| 68 Pale Bluet - Enallagma pallidum | |
[1] record for Hertford |
| 69 Orange Bluet - Enallagma signatum | |
[1] record for Hertford |
| 70 Slender Bluet - Enallagma traviatum | |
[1] record for Hertford |
| 71 Blackwater Bluet - Enallagma weewa | |
[4] records for Hertford |
| 72 Citrine Forktail - Ischnura hastata | |
[1] record for Hertford |
| 73 Fragile Forktail - Ischnura posita | |
[1] record for Hertford |
| 74 Furtive Forktail - Ischnura prognata | |
[1] record for Hertford |
| 75 Rambur's Forktail - Ischnura ramburii | |
[2] records for Hertford |