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  2. Propolis - Wikipedia

    en.wikipedia.org/wiki/Propolis

    Propolis or bee glue is a resinous mixture that honey bees produce by mixing saliva and beeswax with exudate gathered from tree buds, sap flows, or other botanical sources. It is used as a sealant for unwanted open spaces in the beehive .

  3. Senna (plant) - Wikipedia

    en.wikipedia.org/wiki/Senna_(plant)

    Senna species are pollinated by a variety of bees, especially large female bees in genera such as Xylocopa. [4] They rely on "buzz pollination" and some within that on "ricochet pollination", which is a secondary pollen presentation where the pollen is not deposited on the pollinator's body by direct contact with the anthers. [ 19 ]

  4. Insect repellent - Wikipedia

    en.wikipedia.org/wiki/Insect_repellent

    Synthetic repellents tend to be more effective and/or longer lasting than "natural" repellents. [1] [2]For protection against ticks and mosquito bites, the U.S. Centers for Disease Control (CDC) recommends DEET, icaridin (picaridin, KBR 3023), oil of lemon eucalyptus (OLE), para-menthane-diol (PMD), IR3535 and 2-undecanone with the caveat that higher percentages of the active ingredient ...

  5. Pesticide toxicity to bees - Wikipedia

    en.wikipedia.org/wiki/Pesticide_toxicity_to_bees

    Alternatively, the bee may come into contact with an insecticide and transport it back to the colony in contaminated pollen or nectar or on its body, potentially causing widespread colony death. [3] Actual damage to bee populations is a function of toxicity and exposure of the compound, in combination with the mode of application.

  6. Bees and toxic chemicals - Wikipedia

    en.wikipedia.org/wiki/Bees_and_toxic_chemicals

    A male Xylocopa virginica (Eastern Carpenter bee) on Redbud (Cercis canadensis). Bees can suffer serious effects from toxic chemicals in their environments. These include various synthetic chemicals, particularly insecticides, as well as a variety of naturally occurring chemicals from plants, such as ethanol resulting from the fermentation of organic materials.

  7. Off! (brand) - Wikipedia

    en.wikipedia.org/wiki/Off!_(brand)

    OFF! Unscented insect repellent. Off! (stylized as OFF!) is an insect repellent brand from American corporation S. C. Johnson & Son, produced in Finland.Its active ingredient is DEET (N,N-diethyl-m-toluamide) or metofluthrin which is the most common ingredient in insect repellants. [1]

  8. Senna obtusifolia - Wikipedia

    en.wikipedia.org/wiki/Senna_obtusifolia

    Senna obtusifolia, known by common names including Chinese senna, American sicklepod and sicklepod, is a plant in the genus Senna, sometimes separated in the monotypic genus Diallobus. It grows wild in North , Central , and South America , Asia , Africa , and Oceania , and is considered a particularly problematic weed in many places.

  9. Thiamethoxam - Wikipedia

    en.wikipedia.org/wiki/Thiamethoxam

    A 2018 review by the European Food Safety Authority (EFSA) concluded that most uses of neonicotinoid pesticides such as Thiamethoxam represent a risk to wild bees and honeybees. [ 4 ] [ 5 ] In 2022 the United States Environmental Protection Agency (EPA) concluded that Thiamethoxam is likely to adversely affect 77 percent of federally listed ...

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