Video: Damselflies ua dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Damselflies noj cov kab me me, mos mos, nrog rau aphids, yoov tshaj cum, thiab gnats. Giant damselflies pluck web-building kab laug sab txoj cai los ntawm lub vev xaib noj lawv. Nymphs noj cov kab me me hauv dej, tadpoles thiab ntses me. Damselflies feem ntau zaum thiab tos cov tsiaj es tsis txhob ntes nws hauv nruab nrab huab cua zoo li dragonflies ua.
Tom qab ntawd, ib tug kuj nug, damselflies puas muaj txiaj ntsig?
Damselflies zoo nkauj heev, muaj txiaj ntsig predators vim lawv pab tswj cov pej xeem ntawm cov kab phem. Cov neeg laus noj ntau ntau ntawm lwm yam kab xws li yoov, yoov tshaj cum thiab npauj thiab ib txhia noj beetles thiab kab ntsig. Ib txoj hauv kev txuag lawv yog los ntawm kev zam kev siv tshuaj tua kab tsis raug cai.
Ib yam li ntawd, tus damselfly zoo li cas? Cov neeg laus damselflies muaj lub plab elongated heev, ilv lub cev, thiab 2 khub tis uas feem ntau tuav ua ke ntawm lub cev. Cov tis yog membranous thiab elaborately veined. Lub hindwing yog hais txog tib qhov loj thiab zoo li lub forewing. Lub qhov muag yog qhov sib xyaw, loj, tab sis feem ntau ua tsis kov.
Tom qab ntawd, lo lus nug yog, puas damselflies tom?
Lawv ua tsis yog sting los yog tom . Damselflies muaj feem xyuam rau Dragonflies. Lawv ob leeg muaj txiaj ntsig zoo ib yam - lawv yog cov tsiaj txhu uas noj lwm yam kab mob phem thiab lawv khaws cov pejxeem ntawm lwm cov kab kom tsis txhob loj dhau.
Vim li cas damselflies hu ua damselflies?
Zygoptera ( damselflies ) txhais tau tias "sib npaug tis," thaum Anisoptera (dragonflies) txhais tau tias "tsis sib xws tis." Thaum lawv tsis ya, damselflies Feem ntau tuav lawv cov tis rau saum lawv nraub qaum (tshwj tsis yog cov tis-tis), tab sis dragonflies tuav lawv tis qhib thiab rau sab.
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