Sunday, 18 November 2012

The Love Bugs


The diversity of insects on this planet is astonishing and should be a source of continual wonder for us all. It can only be hope that these incredible creatures can be left to survive and continue their species for many millennia to come. Of course they do everything we do - sometimes with much more aplomb! You may think this is Mother Nature at is rawest and you would be right, but ready or not - here we go!

A pair of Migrant Hawkers mates, the fantastic coloring of their bodies coordinating so well with each other. Found in Sweden, this dragonfly is known there as Höstmosaikslända which translates to “Fall Mosaic”. A rather beautiful name for a rather beautiful creature.

The appropriately named wheel bug which looks as if it would give any Ninja a run for its money! They feed mainly off other insects but have been known to have a go at other species, including birds and, oh, us! Found in North America, they are very shy and although numerous are not spotted by us very often.

After living underground for most of their lives as nymphs, when the adult cicada emerges there is usually only one thing on its mind. The males are known for the volume they create with their song there is a certain urgency attached to it. Once they are above ground the cicadas do not live long and once they have mated and the female has laid her eggs they will die.

The sex of the Southern Green Stink Bug, however, is almost indistinguishable to the untrained eye. Fortunately they have no problem with recognizing each other. They are so called because, yes, their smell can only be described as malodorous. Classified as a pest, these bugs attack many important food crops and are thought to have originated in Ethiopia. They are becoming common in Europe, Asia and the Americas.

The much-maligned mosquito has many different species all over the world. Noted for their slender body and long legs they are the Size Zero of the insect world. As a vector agent they carry parasites and diseases from person to person and so are not the most popular insect on the planet. Blissfully unaware of their reputation among the higher mammals, this pair carries on the circle of life quite blithely.

or as it is known in the UK, the Ladybird should have a worse reputation than the mosquito as it is a voracious killer and devourer of its prey, the greenfly. However, its primary coloring (although red should signify danger even to us!) has given it a much gentler public image than it deserves.

The gorgeous Queen Butterfly (living in South and North America) do not have a problem recognizing each others’ gender as the male has an endocrinal patch on its dorsal hind wings which releases scent to attract females. It uses a technique called Mullerian Mimicry to protect itself. That is, it adopts the mannerisms of the more populous Viceroy butterfly which is poisonous to birds and other animals. Funnily enough, the Queen is also poisonous but it imitates the Viceroy as the latter is much more numerous. Where the mimic is not poisonous, this is known as Batesian Mimicry.

Two rotting bananas do the wild thing. This awesomely ugly creature is known as Lixus angustatus but we would call it a weevil. They are also, unsurprisingly, known as Snout Beetles and look as if they are some long lost relative of the Ant Eater. There is such an abundance of Weevil species and diversity that their classification is in a constant state of flux but you are most likely to meet one at home if you open a bag of flour! A good job that home baking is on the decline, then!

The incredibly elegant creature pictured above is the Ischnura elegans or the Blue-Tailed Damselfly and is found over much of the European continent. As its English name suggests, it has a large amount of blue coloring. Its eighth segment, however, is entirely blue and it is this which gives this insect its stunning look. The female has diversified in color and can come in pale green, violet and pink.

The Robber Fly, which not many people find terribly attractive, has some fun in the sun. They can be recognized by their furry mustache and each has a group of three primitive eyes nestling between the larger two compound ones. It injects its victims through its proboscis and the enzyme it produces liquefies it victim. The resulting mush can then be sucked through the proboscis.

Pennsylvania Leather-wings are a beneficial insect. The larva enjoy nothing more than as many grasshopper eggs as they can get through. Some species that are native to the Great Plains in the USA are used to control Corn Earworm caterpillars which can damage crops enormously. This pair uses the natural camouflage of a Tickweed Sunflower to produce the next generation of the species.

Another pair of Stink Bugs gets busy with the job nature intended. Although they are known to occasionally eat other insects, they mostly suck the sap from plants by piercing them with sharp mouth parts. Stink Bugs (from the Hemiptera order) use their stink to warn off predators.

The stink is an aldehyde, which is similar to a pheromone (chemically at least). Once it's released, it's party time. These ugly bugs certainly know how to hall a ball.

The European Praying Mantis is one of the more popular insects because of its alien appearance. The female is renowned for eating the male after mating. This is certainly true – and the male knows it. Little known is the fact that many males manage to make a quick getaway after they have secured continuance of their genetic material!

Always beware the little guys! Ambush bugs are usually about twelve millimeters in length but they take on prey which is significantly larger than they are! They are found mostly in tropical Asia and America and hide among plants from which they pounce on their prey when it gets close enough. The upper part of each foreleg has structures like teeth that mesh in to the thicker leg section. It grasps its victim in its pincers and, piercing the victim with its short beak, it sucks out the fluids. One can only hope the male, above, decides not to do it to the female!

These tortoise beetles are so named because of their superficial resemblance to the tortoise. However, unlike a tortoise, what you can see here is not a carapace or shell. It is known as an elytron and is a hardened forewing. It is a protective cover for the delicate hind wings which are used for flying. In some species the fore and hind wings have become fused, which renders the beetle flightless.

A pair of Rainbow Shield Bugs (Calidea dregii) – which is another name for the Stink Bug family. What is exceptional about this species is not only the amazing coloring of the upper body byt the orange and black strip of danger signals it has at the base of its ‘shield’. How often does mankind unwittingly imitate the insect world?

The Festive Tiger Beetle, found in the USA has found its mate. The remarkable microphotography enlarges this pair to a scary level. The Aliens and the Predators of the movie world would not stand a chance if these were to be enlarged to a much greater size! Humor aside, the unearthliness of this photo is breathtaking.

What selection of insects would be complete without the inclusion of the Grasshopper? This image manages to be beautiful, scary and creepy all at the same time.

First Image Credit Flickr User Westpark

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