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Dragonflies: Zomwe Muyenera Kudziwa

A dragonflies ndi gulu la tizilombo. Pali mitundu yopitilira 85 ku Europe komanso yopitilira 5,000 padziko lonse lapansi. Mapiko awo otambasulidwa ndi otalika masentimita awiri mpaka khumi ndi limodzi. Mitundu yamtundu umodzi imafika pafupifupi masentimita makumi awiri.

A dragonflies ali ndi mapiko awiri a mapiko omwe amatha kuyenda okha. Mutha kugwiritsa ntchito kuwuluka mokhota mwamphamvu kwambiri kapena kukhala mumlengalenga. Mitundu ina imatha kuwulukira chammbuyo. Mapikowa amakhala ndi mafupa abwino. Pakati amatambasula khungu woonda kwambiri, amene nthawi zambiri mandala.

Dragonflies ndi adani. Agwira nyama zawo pothawa. Miyendo yawo yakutsogolo idapangidwa mwapadera kuti izi zitheke. A dragonflies makamaka amadya tizilombo tina, ngakhale tombolombo amtundu wawo. Adani awo omwe ndi achule, mbalame, ndi mileme. Mavu, nyerere, ndi akangaude ena amadya tombolombo tating’ono. Izinso zimakhudzidwa ndi zomera zodya nyama.

Zoposa theka la zamoyo za ku Ulaya zili pangozi, ndipo gawo limodzi mwa magawo anayi alionse ali pangozi ya kutha. Malo awo okhala akucheperachepera chifukwa anthu akufuna kulima pamalo ochulukirapo achilengedwe. Kuonjezera apo, madziwo ndi oipitsidwa, kotero kuti mphutsi za ntchentche sizingathenso kukula mwa iwo.

Kodi ntchentche zimaberekana bwanji?

Ntchentche zimathamangira kuthawa ndipo zimamatirirana. Amapindika m’njira yoti zimenezi zimapanga mpangidwe wa thupi lotchedwa mating wheel. Umu ndi mmene ma cell a umuna amalowa m’thupi la mkazi. Nthawi zina yaimuna imagwira mbewu.

Kaŵirikaŵiri yaikazi imaikira mazira m’madzi. Mitundu ina imaikiranso mazira pansi pa khungwa la mtengo. Kuchokera dzira lililonse, siteji yoyamba ya mphutsi imaswa, yomwe imachotsa khungu lake. Ndiye iye ndi mphutsi weniweni.

Mphutsi zimakhala m’madzi kwa miyezi itatu mpaka zaka zisanu. Panthawi imeneyi, ambiri a iwo amapuma kudzera m'matumbo awo. Amadya mphutsi za tizilombo, nkhanu ting'onoting'ono, kapena tadpoles. Mphutsi zimayenera kukhetsa khungu lawo kupitilira kakhumi chifukwa sizitha kukula nazo.

Pamapeto pake, mphutsiyo imachoka m’madzi n’kukakhala pamwala kapena kukagwira chomera. Kenako imasiya chigoba chake n’kutambasula mapiko ake. Kuyambira pamenepo iye ndi tombolombo weniweni. Momwemo, komabe, imangokhala kwa milungu ingapo kapena miyezi ingapo. Pa nthawi imeneyi ayenera kukwatira ndi kuikira mazira.

Mary Allen

Written by Mary Allen

Moni, ndine Mary! Ndasamalira mitundu yambiri ya ziweto monga agalu, amphaka, nguluwe, nsomba, ndi zilombo zandevu. Ndilinso ndi ziweto zanga khumi pakadali pano. Ndalemba mitu yambiri pamalowa kuphatikiza momwe mungachitire, zolemba zazidziwitso, maupangiri osamalira, maupangiri amtundu, ndi zina zambiri.

Siyani Mumakonda

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