Bee consistency. Some solitary bees have advanced types of pollen-carrying structures on their bodies. A very few species of solitary bees are being cultured for commercial pollination. Most of these species belong to a distinct set of genera which are commonly known by their nesting behavior or preferences, namely: carpenter bees, sweat bees, mason bees, plasterer bees, squash bees, dwarf carpenter bees, leafcutter bees, alkali bees and digger bees. Most solitary bees nest in the ground in a variety of soil textures and conditions while others create nests in hollow reeds or twigs, holes in wood. The female typically creates a
Darby Steam-Digger second version was known as the Darby Broadside Digger which was a larger machine which had eight legs and wheels and a double boiler having a smoke-box and chimney at each end. The third version was more like a conventional traction engine with the Digger attached behind - it had spades that actually dug into the ground and turned the soil over. This was built by Coopers of King's Lynn. One is thought to survive but it is hidden away. The factory is still known as " The Digger." http://www.gracesguide.co.uk/T._C._Darby Darby Steam-Digger The Darby Steam-Digger, a light traction engine, was