Wednesday, August 5, 2015

Dragon Flies at Great Swamp Conservancy in Canastota

CharacteristicDragonflyDamselfly
Eyesmost have eyes that touch, or nearly touch, at the top of the headeyes are clearly separated, usually appearing to each side of the head
Bodyusually stockyusually long and slender
Wing Shapedissimilar wing pairs, with hind wings broader at the baseall wings similar in shape
Position at Restwings held open, horizontally or downwardswings held closed, usually over abdomen
Discal Celldivided into trianglesundivided, quadrilateral
Male Appendagespair of superior anal appendages, single inferior appendagetwo pairs of anal appendages
Female Appendagesmost have vestigial ovipositorsfunctional ovipositors
Larvaebreathe through rectal tracheal gills; stocky bodiesbreathe through caudal gills; slender bodies

2 comments:

  1. They are tricky to photograph, but one day I will get a good photo of one of them. Try the stacking technique.

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  2. Terrific macro shots of these ones.

    ReplyDelete