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The varied carpet beetle (Anthrenus verbasci) is a 3 mm-long beetle belonging to the family Dermestidae, positioned in subgenus Nathrenus. They are a common species, often considered a pest of domestic houses and, particularly, natural history museums , where the larvae may damage natural fibers and can damage carpets, furniture, clothing, and ...
The adult common carpet beetle varies from about 2.5 to 3.8 mm (0.10 to 0.15 in) in length. The antennae have eleven segments, three of which form a club, and the eyes are notched at the front. The head is black but is largely concealed under the prothorax , which is also black, liberally speckled with white scales apart from a band in the centre.
The Curculionidae are a family of weevils, commonly called snout beetles or true weevils. They are one of the largest animal families with 6,800 genera and 83,000 [ 1 ] species described worldwide. They are the sister group to the family Brentidae .
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.
Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. They are usually small – less than 6 mm (1 ⁄ 4 in) in length – and herbivorous. Approximately 97,000 species of weevils are known. They belong to several families, with most of them in the family Curculionidae (the true weevils).
The adults grow up to 5–6 millimetres (0.20–0.24 in) long. The colour of this insect is brilliant metallic green, as the black body is coated in emerald round scales. If the scales wear off the body beneath appears dark. Antennae are pale with a dark club. These beetles show a short groove between the eyes and evident striae on the elytra. [4]
Adult weevils from an extended diapause, emerge, on the average, 1–10 days before those with a simple diapause. The emergence of adult weevils occur always from mid-August to early October. The emerged adults live in the canopy of the chestnut tree. [1] When a summer is dry, some adults cannot emerge because of the hardness of the soil.
The Conotrachelus posticatus is a species of true weevil within the beetle family Curculionidae. C.posticatus is found in North America.It is on average 3.7–5 mm (0.15–0.20 in) long, and it is present in North America (particularly in Minnesota, Florida, and Texas) all the way to Panama. [1]