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Chemical structure of carminic acid, the predator-deterring substance found in high concentration in cochineal insects: The insoluble aluminium and calcium salts of this acid form red and purple dyes called "carmine". The insect produces carminic acid that deters predation by other insects. Carminic acid, typically 17–24% of dried insects ...
Insects have a wide variety of predators, including birds, reptiles, amphibians, mammals, carnivorous plants, and other arthropods.The great majority (80–99.99%) of individuals born do not survive to reproductive age, with perhaps 50% of this mortality rate attributed to predation. [1]
The agriculture and forestry industries use insect pheromones commercially in pest control using insect traps to prevent egg laying and in practicing the mating disruption. It is expected that insect pheromones can also contribute in this way to the control of insect-borne infectious diseases such as malaria, dengue fever or African ...
The Turabay dynasty was a family of Bedouin emirs who governed the district of Lajjun in northern Palestine during Ottoman rule in the 16th–17th centuries. The family's forebears had served as chiefs of Jezreel Valley during Mamluk rule in the late 15th century.
Malaria is a mosquito-borne infectious disease that affects vertebrates. [6] [7] [3] Human malaria causes symptoms that typically include fever, fatigue, vomiting, and headaches.
Bear protection spray for sale in Banff, Alberta. The key active ingredients of bear spray are 1–2% capsaicin, and related capsaicinoids. [9] [10]Bear spray is intended to deter an aggressive or charging bear; a user points the canister at an aggressive bear and sprays the contents for 2–3 seconds.
Choctaw Native Americans of the American South (Florida, Mississippi, Alabama, Louisiana) were the first to use dried, ground sassafras leaves as a seasoning. [6] The French word filé is the past participle of the verb filer, meaning (among other things) "to turn into threads", "to become ropy".
More recently, large variation in insect ventilatory patterns have been documented, suggesting that insect respiration is highly variable. Some small insects do demonstrate continuous respiration and may lack muscular control of the spiracles.
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