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Permethrin is a medication and an insecticide. [6] [7] As a medication, it is used to treat scabies and lice. [8]It is applied to the skin as a cream or lotion. [6] As an insecticide, it can be sprayed onto outer clothing or mosquito nets to kill the insects that touch them.
< 1 day RT > 1 day ERT Highly toxic Permethrin [54] Ambush, Pounce Pyrethroid: 1 – 2 days Safened by repellency under arid conditions. Permethrin is also the active ingredient in insecticides used against the Small hive beetle, which is a parasite of the beehive in the temperate climate regions. Highly toxic Cypermethrin [55] Ammo, Demon ...
[1] In household concentrations pyrethroids are generally harmless to humans. [1] However, pyrethroids are toxic to insects such as bees, dragonflies, mayflies, gadflies, and some other invertebrates, including those that constitute the base of aquatic and terrestrial food webs. [2] Pyrethroids are toxic to aquatic organisms, especially fish. [3]
[1] [2] They are often distinguished from venomous animals, which actively inject their toxins (called venom) into their victims through a venom apparatus such as fangs or a stinger. [1] [2] The only difference between poisonous animals and venomous animals is how they deliver the toxins. [3] [2] This list deals exclusively with poisonous animals.
Environmental toxicology is a multidisciplinary field of science concerned with the study of the harmful effects of various chemical, biological and physical agents on living organisms. [1] [2] Ecotoxicology is a subdiscipline of environmental toxicology concerned with studying the harmful effects of toxicants at the population and ecosystem ...
The "Spanish fly", Lytta vesicatoria, has been considered to have medicinal, aphrodisiac, and other properties. Human interactions with insects include both a wide variety of uses, whether practical such as for food, textiles, and dyestuffs, or symbolic, as in art, music, and literature, and negative interactions including damage to crops and extensive efforts to control insect pests.
Protozoan infections are responsible for diseases that affect many different types of organisms, including plants, animals, and some marine life. Many of the most prevalent and deadly human diseases are caused by a protozoan infection, including African sleeping sickness , amoebic dysentery , and malaria .
Microbiology (from Ancient Greek μῑκρος (mīkros) 'small' βίος (bíos) 'life' and -λογία () 'study of') is the scientific study of microorganisms, those being of unicellular (single-celled), multicellular (consisting of complex cells), or acellular (lacking cells).