«Sex over washing machine is a situation every couple shall experience.»
Michael L. May set out one recent Wednesday morning from his cramped office at the Rutgers University entomology building to collect a few dragonflies. The road to a more pristine lagoon in a county park was closed, so Dr. May pulled off a highway two miles from campus and parked alongside a triangular pond lined with tall weeds and poison ivy and wild hibiscus serving up white shuttlecock flowers. With the traffic on U.
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How Dragonflies Mate
The mysterious sexual life of the most primitive dragonfly
Adult dragonflies are characterized by large, multifaceted eyes , two pairs of strong, transparent wings , sometimes with coloured patches, and an elongated body. Dragonflies can be mistaken for the related group, damselflies Zygoptera , which are similar in structure, though usually lighter in build; however, the wings of most dragonflies are held flat and away from the body, while damselflies hold the wings folded at rest, along or above the abdomen. Dragonflies are agile fliers, while damselflies have a weaker, fluttery flight. Many dragonflies have brilliant iridescent or metallic colours produced by structural coloration , making them conspicuous in flight. An adult dragonfly's compound eyes have nearly 24, ommatidia each. There are about 3, extant species.
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It’s Complicated: Dragonfly Love Comes Calling
Dragonfly sex is a rough-and-tumble affair. If you've ever seen a pair of mating dragonflies in the act, you know that their sexual coupling requires the flexibility and acrobatic skill of a "Cirque de Soleil" performer. Females get bitten, males get scratched, and sperm winds up everywhere. These strange mating habits have survived millions of years of evolution, so the dragonflies must know what they're doing, right? Let's take a closer look at how dragonflies mate.
Por favor, ten en cuenta qu SINC no es consultorio de salud. The dragonfly considered the most primitive in the world lives in Australia and Tasmania, and was believed to be extinct four decades ago. But it is far from being so.