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TammyWhite › New article
7 years ago

As if it were Doctor Jekyll and Mister Hyde, a green grasshopper that gives nice jumps in the lawn a garden can be transformed into a destructive lobster. When he leads a solitary life he has the color of the fresh herbs he inhabits and eats, but his color and personality change when he starts to live with many more of his peers. With them, it forms voracious swarms that destroy all the crops that are in its path.

This spectacular transformation occurs in 10 of the 8,000 species of locusts that are known. They inhabit a very wide area of the planet, up to 20% of the continents, from the west of Africa to the height of Mauritania to the northwest of India passing through the Sahara, East Africa and the Arabian Peninsula. Also in the United States and large areas of China and Australia.

The swarms can cover surfaces of up to 1200 square kilometers, with a density of up to 80 million lobsters per square kilometers. They can advance about 200 kilometers a day with the wind in favor and reach 2000 meters high, cross mountains, such as the Atlas mountain range or seas such as Red. They devour crops in less than a day. The largest swarms can devour 100,000 tons of plants per day. They are a ruin for farmers and cause famines.

The transformation occurs when the environmental conditions are favorable for the life of these animals. In the areas where the vegetation lives, it is dispersed and the populations of lobsters are usually moderate. But when the spring rains are intense the plants grow generously, the available food increases and the pests are produced.

Under these conditions, more eggs hatch than usual and an enormous number gather around the same food points. When they are so many that their hind legs collide with those of the neighbor, the body asks for a change. That is when they become lobsters: they change from green to yellow and black, shorten their body and increase the size of their brain.

In the laboratory, scientists have observed how a solitary locust changes to the look of gregarious lobster in just two hours just by hitting some spine-like structures on its legs to simulate the conditions of overcrowding. They have also found that while the change occurs, a large amount of serotonin accumulates in the nervous system of the thorax. In humans, this hormone has to do with pleasure and well-being; Having low levels is an unequivocal symptom of depression.

After the metamorphosis, they release pheromones that attract them to each other, and reproduce wildly until they form a gigantic swarm. In communion they leave for the world in search of more food.

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TammyWhite › New article
7 years ago

Today is #orangeflowersday #TammyWhite.

This is a Capuccina orange flower from Cíes Islands,  Vigo.

Today you can know all important from this flowers.

Nasturtiums are loved for their rich, saturated – toned colors such as pale yellow, to vibrant oranges and reds. They’re one of the tastiest and easiest to grow. Hummingbirds like the bright flowers, but alas so also do black aphids. There is a belief that to grow nasturtiums outside the garden attracts all the aphids away from the main flowers.

Tropaeolum majus (Garden Nasturtium, Indian Cress or Monks Cress) is a flowering plant in the family Tropaeolaceae, originating in South America in the Andes from Bolivia north to Colombia. It was brought by Spanish conquistadors to Spain early in the sixteenth century and then to Paris where they became very popular. The English soon discovered nasturtiums, calling the plants “Indian cress” for the hot-flavored leaves. By the 17th Century the nasturtium had become so popular as a garden and cut flower and as a food plant that few European gardens were without it.

This plant should not be confused with the Watercresses of the genus Nasturtium, of the Mustard family. The flower gets its name from the Latin nasusm (nose) and tortus (twisted) because their smell makes the nose wrinkle or twist. The botanical name Tropaelum is from the Green tropiaon (a trophy). In ancient Greece, shields and helmets of defeated enemy were fixed onto tree trunks. It was thought that the nasturtium leaves resembled shields, with the flowers resembling helmets.

Nasturtiums have rounded shaped leaves with wavy-margins. The leaves are pale green, about 2-5 in (5.1-12.7 cm) across, and are borne on long petioles like an umbrella. The flowers typically have five petals, although there are double and semi-double varieties. The flowers are about 1-2 in (2.5-5.1 cm) in diameter and come in a kaleidoscope of colors including russet, pink, yellow, orange, scarlet and crimson. A white flowered cultivar was bred in the 19th century but apparently has been lost.

The most common use of the nasturtium plant in cultivation is as an ornamental flower. It grows easily and prolifically, and is a self-seeding annual. All parts of the plant are edible. The flower has most often been consumed, making for an especially ornamental salad ingredient; it has a slightly peppery taste reminiscent of watercress, and is also used in stir fry. The unripe seed pods can be harvested and pickled with hot vinegar, to produce a condiment and garnish, sometimes used in place of capers, although the taste is strongly peppery. Use the blossoms either whole or chopped to decorate creamy soups, salads, butters, cakes and platters. The chopped leaves also have vitamin C and make a zesty addition to mayonnaise or vinaigrettes. As the summer sun gets hotter, so does the “pepper” in the nasturtiums.

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Today is #orangeflowersday #TammyWhite. This is a Capuccina orange flower from Cíes Islands, Vigo. Today you can know all important from this flowers. Nasturtiums are loved for their rich, saturated – toned colors such as pale yellow, to vibrant oranges and reds. They’re one of th... Read more

#orangeflowersday#tammywhite

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