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As with other livestock animals, a variety of welfare concerns can manifest during the rearing and slaughter of insects. The 5 Domains framework can be used to broadly categorize these areas of possible concern into four functional domains (nutrition, environment, behavior, and physical health) which then influence the mental domain of the animal's welfare state. [17]
Insect euthanasia is the process of killing insects "in a way that minimizes or eliminates pain and distress." [1]: 6 It may apply to animals in the laboratory, schools, as pets, as food, or otherwise. Euthanasia of insects and other invertebrates has historically received limited attention.
Insects are at "the structural and functional base of many of the world's ecosystems." [6] A 2019 global review warned that, if not mitigated by decisive action, the decline would have a catastrophic impact on the planet's ecosystems. [6] Birds and larger mammals that eat insects can be directly affected by the decline.
Insects that live under the water have different strategies for dealing with freezing than terrestrial insects do. Many insect species survive winter not as adults on land, but as larvae underneath the surface of the water. Under the water many benthic invertebrates will experience some subfreezing temperatures, especially in small streams ...
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.
A giant water bug attacking a fish. Insect ecology is the interaction of insects, individually or as a community, with the surrounding environment or ecosystem. [1] This interaction is mostly mediated by the secretion and detection of chemicals (semiochemical) in the environment by insects. [2]
In general, many insects are herbivorous and less problematic than omnivores. Cooking is advisable in ideal circumstances since parasites of concern may be present. But pesticide use can make insects unsuitable for human consumption. Herbicides can accumulate in insects through bioaccumulation.
Additionally, these insects tend to be relatively large, long-lived, active, and frequently aggregate. [2] Indeed, longer-lived insects are more likely to be chemically defended than short lived ones, as longevity increases apparency. [9] Throughout the arthropod and insect realm, however, chemical defenses are quite unevenly distributed.