V-ati imaginat ca furnicile pot avea barba? Sau ca omizile pot fi carnivore? Ei bine, astfel de ganganii ciudate chiar exista. Potrivit specialistilor, insectele reprezinta cel mai divers grup de vietuitoare, cu peste un milion de specii cunoscute pana in prezent. ‘Peste 90% din toate formele de viata de pe Pamant sunt insecte, adica 7-8 din 10 vietuitoare’, ne-a spus Doru Marian Rusti, cercetator stiintific la Muzeul ‘Grigore Antipa’ din Capitala. Acesta ne-a dat si cateva detalii despre unele dintre cele mai neobisnuite insecte.
In prezent exista aproximativ 350.000 de specii de gandaci in lume, iar acesta este unul dintre cei mai mari. Traieste in Africa si poate atinge 11 cm lungime, iar larva sa matura cantareste intre 80 si 100 de grame
Albina dulgher: singura albina solitara care sapa galerii in lemn
Albina dulgher (Xylocopa) este singura albina solitara din lume, care sapa galerii in lemn unde depoziteaza miere si isi depune ouale. E campioana in lumea insectelor in ceea ce priveste marimea oualor: la specia Xylocopa violacea, intalnita si in Romania, oul poate atinge 1,2 mm, in conditiile in care albina masoara numai 2 centimetri!
Gandacul necrofag isi ingroapa mancarea
La marea majoritate a insectelor, adultii mor imediat dupa depunerea oualor. Acest gandac este insa o exceptie, in sensul ca ambii parinti se ingrijesc de progenitura lor, iar sursa de hrana o reprezinta cadavrele de animale foarte mici pe care Nicrophorus le ingroapa in sol si din care apoi se hraneste.
Aceasta furnica are barba!
Furnica Pogonomyrmex maricopa, raspandita in deserturile din America, este insecta cu cel mai puternic venin. Doza mortala pentru om e de doar 0,12 mg/kg, comparabila cu a celor mai veninosi serpi. Dar aceasta nu e singura trasatura inedita a furnicii din imagine. La o privire atenta veti vedea ca are barba!
In Maui traieste omida carnivora
Aceasta omida, descoperita abia in anul 2005, in insula Maui din Hawaii, nu pare deosebita. Insa, spre deosebire de majoritatea suratelor sale, Hyposmocoma molluscivora e carnivora, hranindu-se cu melci.
Cicindela alearga cel mai repede: 2,49 m/secunda
E considerata insecta cea mai rapida din lume. S-a demonstrat ca specia Cicindela hudsoni din America de Nord atinge o viteza de 2,49 m/s.
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