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The common whitetail or long-tailed skimmer (Plathemis lydia) is a common dragonfly across much of North America, with a striking and unusual appearance.The male's chunky white body (about 5 cm or 2 inches long), combined with the brownish-black bands on its otherwise translucent wings, give it a checkered look.
The black saddlebags (Tramea lacerata) is a species of skimmer dragonfly found throughout North America. It has distinctive wings with characteristic black blotches at their proximal ends, which make the dragonfly look as though it is wearing saddlebags. The black saddlebags is a relatively large dragonfly at about 5 centimetres (2 in) in length.
Dragonfly vision is thought to be like slow motion for humans. Dragonflies see faster than humans do; they see around 200 images per second. [80] A dragonfly can see in 360 degrees, and nearly 80 per cent of the insect's brain is dedicated to its sight. [81]
Black-headed skimmer, Crocothemis nigrifrons; genus: Diplacodes. Wandering percher, Diplacodes bipunctata (Widespread across Australia) Scarlet percher, Diplacodes haematodes (Widespread across Australia) Black-faced percher, Diplacodes melanopsis (Coastal southern Queensland, coastal New South Wales, Victoria)
This dragonfly features the standard skimmer body form, and earns its name from the eight black markings on the wings. It is similar to the twelve-spotted skimmer, but lacks the black markings on the wing tips of that species. Males are additionally adorned with a total of eight opaque white spots.
The dot-tailed whiteface is a small dragonfly with a length of 1 to 1 1 / 5 inches (25 to 38 mm). It is distinguished by the mostly black body, small black basal wing spots, black legs, and white face. Male dot-tailed whitefaces have one yellow spot on the dorsal side of the abdomen.
The pterostigma is dark brown or black. On the front wings pterostigma 2–3 mm long. Anal appendages are black. The females and immature males are a deep yellow color, with wavy black lines dorsally on their abdomen. Males and females have the costal vein (the leading edge of the wing) yellow or black. [6]
Male dragonflies are black and marked with red on the thorax and the abdomen. [2] [3] The elongated spots on the abdomen are possibly pointed on one end, this forms a line along the length of the top side of the abdomen. The female is a dark brownish color and marked similarly to the male except the markings are yellow instead of black.