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Adult drugstore beetles are between 2.5 and 3.5 millimetres (3 ⁄ 32 and 1 ⁄ 8 in) long and have a reddish-brown colour with a cylindrical body. The beetle looks superficially similar to the cigarette beetle, another ptinid beetle regarded as a pest, but can be distinguished under magnification by the lack of serration on the antennae and the presence of clubbed segments on the last several ...
The family includes spider beetles and deathwatch beetle, [2] as well as the cigarette, drugstore and furniture beetles. The Ptinidae family species are hard to identify because they are so small, and they have a compact body structure. They also have similar morphologies within the genera and species of the family. [3]
After the larval period, drugstore beetle larvae move out of the substrate to build a cocoon and pupate. The pupation period takes a total of 12–18 days. The entire life cycle of the drugstore beetle lasts approximately two months but can be as long as seven months. These stored product pests will infest almost anything readily available.
Lasioderma serricorne, more commonly referred to as the cigarette beetle, cigar beetle, or tobacco beetle, is a small beetle that shares a resemblance with the drugstore beetle (Stegobium paniceum) and the common furniture beetle (Anobium punctatum).
For beetles related articles needing an image or photograph, use {{Image requested|date=December 2024|beetles}} in the talk page, which adds the article to Category:Wikipedia requested images of beetles. If possible, please add request to an existing sub-category.
A scarab beetle grub from Australia. The C-shaped larvae, called grubs, are pale yellow or white. Most adult beetles are nocturnal, although the flower chafers and many leaf chafers are active during the day. The grubs mostly live underground or under debris, so are not exposed to sunlight.
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Darkling beetle is the common name for members of the beetle family Tenebrionidae, comprising over 20,000 species in a cosmopolitan distribution. Taxonomy [ edit ]