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Ja bi rekla da je buckastija
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da samo sto broj varira iz meseca u mesec.vrhunac razvoja je junu mesecu-milina je tada otvoriti kosnicu ili skidati prirodni roj sa mesta gde se trenutno po izletanju zaustavio....
najlakse je raditi oko pcela u periodu medenja bagrema.pcele su tada mirne tako da se i bez dimilice i zastitne maske ili kape moze raditi.....
U ovom slučaju on je propustio da signalizira svoju želju za seksualnim odnosom, navalio je na potpuno izgladnelu ženku i nije nikakvo čudo da je završio u želucu nesuđene drage.
The stinger of the Asian giant hornet is about 6 mm (¼ in) in length,[3] and injects an especially potent venom that contains, like many bee and wasp venoms, a cytolytic peptide (specifically, a mastoparan) that can damage tissue by stimulating phospholipase action,[4] in addition to its own intrinsic phospholipase.[5] Masato Ono, an entomologist at Tamagawa University near Tokyo, described the sensation as feeling "like a hot nail being driven into his leg."[3]
An allergic human stung by the giant hornet may die from an allergic reaction to the venom, but the venom contains a neurotoxin called mandaratoxin[6] which can be lethal even to people who are not allergic if the dose is sufficient. Each year in Japan, the human death toll caused by Asian giant hornet stings exceeds that of all other venomous and non-venomous wild animals combined, including wild bears and venomous snakes.[7][8]
A few interesting notes on Vespa mandarinia's venom and stinger:
• The venom contains at least eight distinct chemicals, some of which damage tissue, some of which cause pain, and at least one which has an odor that attracts more hornets to the victim.[citation needed]
• The venom contains 5% acetylcholine, a greater concentration than is present in bee or other wasp venoms. Acetylcholine stimulates the pain nerve fibers, intensifying the pain of the sting.
• Vespa mandarinia uses its large crushing mandibles, rather than its sting, to kill prey.[citation needed]
• The venom of the Asian giant hornet is not as toxic as some other bees or wasps, and is less toxic than honey-bee venom, but because of the large quantity of venom, this species has one of the greatest toxicities per sting.
• The enzyme in the venom is so strong that it can dissolve human tissue. On some occasions, the sting may be compared to the effects of a spider bite.
• Like all hornets, V. mandarinia has a barbless stinger, allowing it to sting repeatedly.
(preuzeto s neta)Otrov pčele, ose i stršljena ima snažno lokalno iritativno i potencijalno opšte toksično delovanje. Nakon uboda, koji je praćen najčešće bolom, pojavi se peckanje, a koža na ozleđenom mestu pocrveni. Po ubodu pojavljuju crveni pečati po telu, otok, otežano disanje, otoci u predelu lica i vrata i to sve predstavlja tešku komplikaciju koja može dovesti do smrti ukoliko ta osoba ne primi odgovarajuće lekove. Bez obzira što je ujed insekta u našem kraju bezopasan, on je sam po sebi neugodan, a ponekad može biti i način na koji se unesu u organizam klice zaraznih bolesti.Opšte toksično delovanje ispoljava se: u vidu hemolize i bubrežne insuficijencije ili
parasimpatomimetskom hiperaktivnošću, posebno nakon uboda stršljena čiji otrov sadrži veću količinu acetilholina, što izaziva povraćanje, proliv, miozu (suženje zenica), salivaciju (lučenje pljuvačke), nemir. Ako u kratkom vremenu dođe do uboda većeg broja insekata (roj) mogu se pojaviti znaci trovanja sa oštećenjem nervnog sistema. U teškim slučajevima može doći i do smrti.
Though not known for killing humans directly, this sub family of the grasshopper is a relentless plant-consuming machine. In the Bible, during the Plagues of Egypt, the locusts were the eighth, wreaking havoc on farmland and crops. Locusts strip to bare earth thousands of acres of cropland every year and in very little time since each swarm can consist of several thousand insects. As a result, they can indirectly contribute to starvation.
A team of researchers from the UK and Australia has discovered that serotonin seems to trigger the swarms of desert locusts, devastating crop pests that span a fifth of the globe.
zaoka od onog strsljena 6 mm????
uzasan je
Borac za prava zivotinja
surfuje
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Učlanjen: 02.09.2007.
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Podrazumevano Re: TI ČUDESNI INSEKTI
O nekim insektima iz drugog ugla:
Deset po čoveka najopasnijih insekata
10. Hemiptera (Chaga bug)
(Južna i Centralna Amerika)
prenosilac teške bolesti
http://en.wikipedia.org/wiki/Chagas_disease
Ova vrsta buba danju se krije u pukotinama zidova a noću se zavlači u krevete da bi se hranila ljudskom krvlju. Poznata je još i kao buba poljubac, jer najčešće napada ljudsko lice, i to zonu oko usana. Nakon što se nahrani, ostavi izmet oko ranice. Češući se, žrtva unosi parazite iz izmeta u ranicu, koji se potom šire krvotokom.