There are many types of carpenter ants throughout the U.S. measuring in size from one-quarter inch (about the width of a pencil) for a worker carpenter ant to three-quarters of an inch (about the size of a quarter) for a queen carpenter ant. Each colony is established by a single, fertilized queen.
Alexandria Average Weather. 1  The highest monthly average temperature in Alexandria for August is 79 degrees. 2  The lowest monthly average temperature in Alexandria for February is 38 degrees.  The most monthly precipitation in Alexandria occurs in June with 5.8 inches.
Average Weather in October in Roanoke Virginia, United States. In Roanoke, the month of October is characterized by rapidly falling daily high temperatures, with daily highs decreasing by 9Â°F, from 73Â°F to 64Â°F over the course of the month, and rarely exceeding 83Â°F or dropping below 51Â°F.