Odonate Terminal Appendages

Dragonflies (Order Anisoptera)

Clubtail Family (Gomphidae)

Cruiser Family (Macromiidae)

Stream Cruiser dragonfly (female, male)

Darner Family (Aeshnidae)

Emerald Family (Corduliidae)

Skimmer Family (Libellulidae)

Spiketail Family (Cordulegastridae)

Damselflies (Order Zygoptera)

Broad-wing Family (Calopterygidae)

Spreadwing Family (Lestidae)

  • Great Spreadwing damselfly: malefemale (single); female (in tandem)
  • Slender Spreadwing damselfly: malefemale
  • Southern Spreadwing damselfly: malefemale
  • Sweetflag Spreadwing damselfly (male)

Pond Damsel Family (Coenagrionidae)

Generally speaking, members of the Pond Damsel Family are too small to see their terminal appendages clearly in most photographs. Although I could collect specimens and take macro photographs, it would be difficult to improve upon the excellent digital scans created by Gayle and Jeanelle Strickland and others.

Genus Argia (Dancers)

  • Blue-fronted Dancer (Argia apicalis): female | full-size JPG; male | full-size JPG
  • Variable Dancer (Argia fumipennis): female | full-size JPG; male | full-size JPG
  • Powdered Dancer (Argia moesta): female | full-size JPG; male | full-size JPG
  • Blue-tipped Dancer (Argia tibialis): female | full-size JPG; male | full-size JPG
  • Dusky Dancer (Argia translata): male | full-size JPG

Genus Enallagma (American Bluets)

  • Familiar Bluet (Enallagma civile): female | full-size JPG; male | full-size JPG
  • Big Bluet (Enallagma durum): female | full-size JPG; male | full-size JPG
  • Stream Bluet (Enallagma exsulans): female | full-size JPG; male | full-size JPG
  • Orange Bluet (Enallagma signatum): female | full-size JPG; male | full-size JPG
  • Slender Bluet (Enallagma traviatum): female | full-size JPG; male | full-size JPG

Genus Ischnura (Forktails)

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5 Responses to “Odonate Terminal Appendages”

  1. The party’s over | walter sanford's photoblog Says:

    […] This is true for many members of the Family Libellulidae (Skimmers) such as Eastern Pondhawk. Terminal appendages can be used to identify […]

  2. Pop quiz | walter sanford's photoblog Says:

    […] give you a hint: Examine their terminal appendages by looking at the full-size version of both […]

  3. Calico making the case for claspers | walter sanford's photoblog Says:

    […] This is true for many members of Family Libellulidae (Skimmers), such as Calico Pennant. Terminal appendages may be used to differentiate gender for many species of […]

  4. Cobra Clubtail claspers | walter sanford's photoblog Says:

    […] male dragonflies have three terminal appendages, collectively called “claspers,” that are used to grab and hold female dragonflies […]

  5. Mocha Emerald dragonfly claspers | walter sanford's photoblog Says:

    […] male dragonflies have three terminal appendages, collectively called “claspers,” that are used to grab and hold female dragonflies […]

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