0 0. Each species ranges from one-eighth inch (3.2 mm) to three-sixteenth inches (4.8 mm) long. In more derived weevils, the rostrum has a groove in which the weevil can fold the first segment of its antennae. Some weevils have the ability to fly, such as the rice weevil. A serious late season pest of pecan and hickory trees, the pecan weevil (Curculio caryae) chews holes through the shuck and shell of nuts and are responsible for two kinds of damage.The first type of damage is caused by adult weevils feeding on kernels prior to the shells hardening. Of the species of weevils that can fly, one of the most prolific is the red palm weevil. About Fly Eliminators ... Pecan weevils damage pecan and hickory plants in two different ways. You may also harm your flour's ability to make a decent cake. Because pecan weevils from untreated trees can fly directly from tree to tree, trunk barriers using an insecticide or Tree Tanglefoot may not be effective under these conditions. T he pecan weevil (Curculio caryae [Horn]) is a key pest of pecan in the United States and portions of Texas. To do this, you have to be able to identify weevils. I don't know if weevils can fly, but the flour beetle sounds right. However, some weevils will get inside your home and will hide inside your walls and windowsills, or will feed on stored food items like flour, rice, oats, or other grains. Strawberry root weevils do not fly. Both rice and granary weevils have divided bodies made up of a head, thorax, and abdomen. But, weevils have six legs and ticks have eight. Pecan weevils are found in 131 counties in Texas. These weevils sometimes fly more than half a mile a day in search of locations for feeding and mating. Once weevils enter the canopy and explore the environment for food and oviposition sites, if no pecans are found (due to alternate bearing, common in unmanaged, native pecan) weevils will fly to another adjacent tree or emigrate from the orchard to more suitable areas. The larvae feed on the roots of strawberries, evergreens—such as arborvitae, spruce and Japanese yew—raspberries and other brambles, grapes and many other plants. Sometimes people confuse strawberry root weevils for ticks. Pecan weevils, which also feed on all species of North American hickory, can be found from New York to … The moment it comes out of refrigeration the whole process of weevil life will continue. Rice weevils are a dull red-brown and can fly. The adult rice weevil can fly, and lives up to five months, with the female laying up to 400 eggs during her lifetime. The adult weevils feed on kernels before the shells harden up. Figure 1. The pecan weevil burrows into the nut before the shell hardens and lays eggs, then worms hatch from the eggs and devour the nut. One species of weevil, Austroplatypus incompertus, exhibits eusociality, one of the few insects outside the Hymenoptera and the Isoptera to do so. Putting your flour in the refrigerator won't help. Many of these infested nuts will not mature properly and have a shriveled appearance. They're usually found in slightly warmer climates. Fun Fact. Once the adults emerge from the soil between late July to October their cycle of damage begins. Various kinds of weevils are found in garden spaces, feeding on crops and a variety of plants. Research is under way to evaluate nematodes and other biopesticides to control pecan weevils.