41. Epicordulia princeps, Hagen.

42. Tetragoneuria cynosura, Say.

43. Tetragoneuria semiaqua, Burm.

44. Tramea lacerata, Hagen.

45. Libellula basalis, Say.

46. Libellula pulchella, Drury.

47. Libellula semifasciata, Burm.

48. Libellula exusta, Say.

49. Libellula incesta, Hagen.

50. Plathemis trimaculata, DeGeer.