- Colour Brown
- Size From 1 mm to 2 mm long
- Description Due to the large number of species, the physical appearance of these beetles can vary greatly.
How to identify Plaster Beetles
Considerably small, plaster beetles only measure about 1 or 2 mm in length and are difficult to spot in dark places with their brown colouration. Due to the large number of plaster beetle species that exist, the insects may vary in shape and other physical characteristics, such as the features of their antennae.
Signs of an infestation
Plaster beetle infestations may take a while to detect until large numbers of the pests become established in a given area. Signs of infestation then begin to appear as the plaster beetles leave their moisture-laden habitats and congregate near lights or window sills.
Plaster Beetles Removal
Employing the use of dehumidifiers is essential in eliminating the moist conditions that attract plaster beetles to basements and crawlspaces. Areas where moisture can be controlled should be checked for leaks and fixed promptly. Ensure that air vents are free-flowing to allow for suitable circulation. Plaster beetle removal may prove difficult for non-professionals, though methods involving vacuum cleaners tend to work well. For particularly large and persistent infestations, pest control professionals can apply treatments that effectively curtail the presence of plaster beetles.
How to prevent Plaster Beetles from invading
With the advent of contemporary construction techniques, new buildings are assembled with materials less prone to creating humid conditions ideal for plaster beetles. Ensuring that any new renovations dry out in a timely manner prevents mould growth, which in turn prevents plaster beetles from infesting. Disposing of food before mould can grow also contributes to preventative efforts.
Habitat, Diet, and Life Cycle
Plaster beetles live in damp spaces, where fungus is likely to grow, and can be found throughout the world. In the wild, they seek natural protective barriers such as rocks and water sources or other damp places where mildew and fungi grow.
Ideal habitats for plaster beetles in the home include damp areas such as bathrooms, basements, and crawlspaces. Spots where water consistently leaks or runs, such as water spigots or leaky windows, also make favourable living conditions for the insects. Excessively high humidity in any environment will attract plaster beetles.
Plaster beetles feed exclusively on hyphae and spores of moulds and other types of fungus such as mildew. Though sometimes found in stored food products, they are only attracted to any mould that might be growing within.
Female plaster beetles are capable of producing roughly 10 eggs and require optimum temperatures of around 24°C to complete a 20-day life cycle. Development time is dependent on the temperature of their environment; it takes longer as temperatures fall, with colder temperatures producing five-month-long life cycles. Before becoming adults, plaster beetle larvae must pupate as part of their metamorphosis during the life cycle.
Commonly Asked Questions
Why do I have plaster beetles?
Plaster beetles feed on hyphae, mould spores, and other fungi like mildew, so invade newly plastered buildings, mouldy food, and damp bathrooms, basements, crawl spaces, and ceilings.
Any spots with high humidity, where water consistently leaks or runs, such as water spigots or leaky windows, also make ideal living conditions for these pests.
These insects are also attracted to light and can fly. They easily enter homes without detection due to their tiny size.
How worried should I be about plaster beetles?
Infestations of plaster beetles in damp or mouldy foods create unsanitary eating conditions and can be a frightening sight.
However, they can also be difficult to detect until large numbers of the pests become established, making identification and removal hard for homeowners. To truly eradicate a plaster beetle infestation and stop them returning, you need professional pest control services.
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