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Curculio glandium eggs are deposited in acorns by the adult weevil chewing channels into the fruit. The eggs are then released using an ovipositor, a long, narrow organ featured in female weevils. [2] These do not reach the acorn's embryo and are healed by the plant, sealing the holes and protecting the eggs from parasites.
The wheat weevil (Sitophilus granarius), also known as the grain weevil or granary weevil, is an insect that feeds on cereal grains, and is a common pest in many places. It can cause significant damage to harvested stored grains and may drastically decrease crop yields. The females lay many eggs and the larvae eat the inside of the grain kernels.
The adults lack functional wings and do not fly. There are no males, and reproduction is asexual. Eggs are laid at random in the soil in summer around food plants, and, on hatching, the larvae feed on the roots until late fall, when they hibernate. Strawberry root weevils reproduce through a process called parthenogenesis. This means that ...
Weevils also are known to infest oats, rice, corn, corn meal, sorghum, and cereal, so you might want to apply the same practice you do to your flour as those items as well.
The eggs are laid into the cupules or around the peduncle joints. Eggs hatch in five to seven days producing large, legless grubs. When the larva emerges from the egg it feeds on the developing chestnut. The larvae leave behind frass and excrement. Infested nuts may contain several weevil larvae or weevil burrows filled with excreta.
Hylobius abietis or the large pine weevil is a beetle belonging to family Curculionidae. This species is widely regarded as the most important pest of most commercially important coniferous trees in European plantations.
Anthonomus eugenii is known as the pepper weevil. This beetle feeds and lays eggs on plants in the genus Capsicum and a few species in the genus Solanum . [ 1 ] A. eugenii is native to Mexico, [ 2 ] however, it is an important pest of Capsicum in Florida, Puerto Rico, and Central America.
Bruchus pisorum, known generally as pea weevil, is a species of leaf beetle in the family Chrysomelidae. Other common names include the pea beetle and pea seed beetle . It is found in Europe and Northern Asia (excluding China), North America, and temperate Asia.