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However, they are not effective at killing biting insects (female mosquitoes and other insects) outdoors, [4] [5] being much more effective at attracting and killing other harmless and beneficial insects. A study by the University of Delaware showed that over a period of 15 summer nights, 13,789 insects were killed among six devices.
A typical flyswatter. A flyswatter (or fly-swat, fly swatter [1]) usually consists of a small rectangular or round sheet of a lightweight, flexible, vented material (usually thin metallic, rubber, or plastic mesh) around 10 cm (4 in) across, attached to a handle about 30 to 60 cm (1 to 2 ft) long made of a lightweight material such as wire, wood, plastic, or metal.
An insect growth regulator (IGR) is a chemical insecticide that kills insects indirectly by disrupting their life cycles. [1] The term was initially proposed to describe the effects of juvenile hormone analogs. [2] Although the term "insect growth disruptor" more accurately describes the actions of IGRs, it did not become widely used. [1]
Fly spray contains chemicals (including many organophosphate compounds) that bind to and permanently block the action of an enzyme called acetylcholinesterase. [1] Acetyl choline (ACh) is the nerve transmitter substance released by motor neurones (at a site called the neuromuscular junction) to stimulate muscle contraction.
The eggs are white and are about 1.2 mm (1 ⁄ 16 in) in length, and they are deposited by the fly in a suitable place, usually dead and decaying organic matter, such as food waste, carrion, or feces. Within a day, larvae hatch from the eggs; they live and feed where they were
The adult western house martin is 13 cm (5 in) long, with a wingspan of 26–29 cm (10– 11 + 1 ⁄ 2 in) and a weight averaging 18.3 g (21 ⁄ 32 oz). It is steel-blue above with a white rump, and white underparts, including the underwings; even its short legs have white downy feathering.