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Honey bees rely on the position of the sun (and the ephemeris function) to navigate and communicate (i.e. the waggle dance). If they are out too late in the day to return to the hive (occasional), or if they are disturbed at night in the hive, they will fly towards a light. Beekeepers and bee renters have learned that if you are going to disturb a hive at ...


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It is commonly called as "Robber fly" or "assassin fly". Scientifically it is "Asilidae" of the order "Diptera" and it is a fast attacking predator mostly preying on grasshopper nymphs and damsel flies. It is strongly built for kill. http://www.robberflies.info/keyger/htmle/didpic.html


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Although the answers to date are all factual and sufficient to answer the question why cockroaches would live without its head, some answers don't seem to be necessary as explanations. Summarizing the given answers so far. Roaches' simple circulation would still function without its head. Roaches' decentralized respiratory system can still function ...


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The idea you're talking about is Panspermia -- the theory that life on planet Earth originated somewhere else and began here during some sort of fertilizing event. From a biological point of view, all known life (with the exception of some very odd and unique species of single-celled organisms that are difficult to categorize) utilizes the predictable ...


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This is definitely Sitophilus granarius [wheat weevil].It is a common pest in India, as it mostly attacks wheat grains stored in sacks.When we buy plain grains of wheat from shops we can see these pests inside and there may be plenty of them drilling the wheat and leave the empty crest of wheat behind.


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Cockroaches are insects which means their brain is distributed. The predominant characteristics of the cockroach central nervous system (CNS) are its segmented nature and decentralization of control processes (Ganihar et al., 1994; Pipa & Delcomyn, 1981) . There is a pair of ganglion on each segment- head, thorax and abdomen. The ganglion on ...


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Citronella oil is also used as an insect repellent and is seems effective on mosquitoes[1] and head lice[2] as well. Though I was not able to find information on the mode of action, just the effectiveness of citronella. Wikipedia also says DEET is effective for fleas, ticks, and chiggers (though this lacks a references). Anecdotally, I know the Off brand of ...


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The most common active ingredient in insect repellents is N,N-diethyl-3-methylbenzamide (other name: N,N-diethyl-m-toluamide; abbreviated DEET). It provides protection against mosquitoes and many other insects. After various interesting hypotheses, it is currently assumed that mosquitoes simply smell DEET directly and avoid it.[1]


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It is an ormányosbogár species. :D Curculionidae in Latin. I don't know the exact species, but it is common here in Hungary. It is something like Mecinus janthinus, but it seems like shorter. Probably Mecinus pyraster or another Mecinus species. Figure 1 - Mecinus janthinus - source I think it is Sitophilus granarius aka. wheat weevil, but it is hard ...


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I believe every living organism (even single cell ones) experience pain somehow, because it is important to stay alive. The scientific answer depends on how you define pain... Related articles: Evidence suggests that some, if not all, invertebrates have the potential to suffer through current practices that do not take into consideration that ...


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Based on an article here, unlike humans, cockroaches have an open circulatory system. They don't have a huge network of blood vessels like that of humans, or tiny capillaries that you need a lot of pressure to flow blood through. Hence after you cut their heads off, very often their necks would seal off just by clotting. According to the article cockroaches ...


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Apparently there are no poisonous species (see this website), and some species are even eaten (website). No worries.


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Bed bugs (wiki)! However, you will definitely be able to notice when they are around by bite marks and blood residues.


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As there are many insects, there are also a number of different strategies. As you already said, insects depend on the temperature of the environment and cannot produce enough heat with their metabolism. The major strategies are: Migration, Communal living Cold tolerance (by means of antifreeze proteins) Only some of the insects can opt for " ...


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The above answer is perfectly correct...except it deals with mainly ectothermic insects...now there are some endothermic insects as well..& many of them adopt this following curious technique to elevate their body temperature.... Here the hawkmoth's capacity to elevate their body temperature depends on their powerful flight muscles which generate large ...



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