Incredibly, 2007âs staggering volume is almost 38 percent higher than 2006 and almost double the 2005 figure. The value of the blade market is often estimated simply as a percentage of the turbine market. It is generally assumed that blades account for 15 to 20 percent of the total purchase price of wind turbines.
The two most common species of earthworms in Northern Virginia are the Common Earthworm, or nightcrawler (Lumbricus terrestris) and the Red Earthworm (Lumbricus rubellus). These earthworms were introduced from Europe many years ago.
Some insects have adopted the worm name including inchworms, glowworms and silkworms, but they do not have the characteristics of an actual worm. A commonly known worm is the earthworm, which is found in gardens and most backyards. Its tubular body and lack of legs, antennae or proper body segments is descriptive of all types of worms, although some worms do have mouths.