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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 maize weevil (Sitophilus zeamais), known in the United States as the greater rice weevil, [1] [2] is a species of beetle in the family Curculionidae. It can be found in numerous tropical areas around the world, and in the United States, and is a major pest of maize . [ 3 ]
Curculio is a genus of weevils belonging the family Curculionidae and subfamily Curculioninae. [1] [2] Members of the genus are commonly referred to as acorn weevils or nut weevils as they infest the seeds of trees such as oaks and hickories. The adult female weevil bores a tiny hole in the immature nut to lay her eggs, which then hatch into ...
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.
A weevil's rostrum, or elongated snout, hosts chewing mouthparts instead of the piercing mouthparts that proboscis-possessing insects are known for. The mouthparts are often used to excavate tunnels into grains. [1] In more derived weevils, the rostrum has a groove in which the weevil can fold the first segment of its antennae.
The tamarind weevil (S. linearis) is only known from the seeds of tamarind. [6] Several Sitophilus species are hosts to an intracellular γ-Proteobacterium. Weevil and bacterium have a symbiotic relationship in which the bacterium produces nutrients such as amino acids and vitamins for the host, supplementing its cereal diet. [8]
The beetle subfamily Curculioninae is part of the weevil family Curculionidae. It contains over 23,500 described species in 2,200 genera , and is therefore the largest weevil subfamily. Given that the beetle order (Coleoptera) contains about one-quarter of all known organisms , the Curculioninae represent one of the – if not the – most ...
Callosobruchus maculatus is a species of beetles known commonly as the cowpea weevil or cowpea seed beetle. [1] It is a member of the leaf beetle family, Chrysomelidae , and not a true weevil . It is often mistaken for Callosobruchus chinensis , another bean beetle species with a similar lifestyle.