Emerald ash borer adults are very small, metallic green beetles. They are about the size of a cooked grain of rice: only 3/8 - 1/2 inch long and 1/16 inch wide.Adult emerald ash borers emerge from beneath the bark of ash trees late May through mid-July.he pupae, like the larvae, cannot be seen unless bark is pulled away from the tree. EAB Look-Alikes. There are many metallic green insects that are common in Wisconsin and often mistaken for EAB. For more information on these look-alikes please visit the University of Wisconsin-Madison's emerald ash borer webpage.
Landforms Vocabulary. Archipelago â a group of islands or a cluster of islands usually found in the open sea. They can be formed by erosion but most often occur as the result of volcanic activity. Fiji, Bora Bora, the Florida Keys, and even the entire nation of Japan are examples of archipelagos.
One type of volcanic oceanic island is found in a volcanic island arc. These islands arise from volcanoes where the subduction of one plate under another is occurring. Examples include the Mariana Islands, the Aleutian Islands and most of Tonga in the Pacific Ocean.nother hot spot in the Atlantic is the island of Surtsey, which was formed in 1963. An atoll is an island formed from a coral reef that has grown on an eroded and submerged volcanic island. The reef rises to the surface of the water and forms a new island. Atolls are typically ring-shaped with a central lagoon.