Nco ntsoov tias, dab laug tsis muaj tus stinger, yog li ntawd lawv yuav tsis sting koj. Txawm li cas los xij, lawv muaj cov hniav. … Dragonflies tsis yog kab mob hnyav, tab sis lawv tuaj yeem tom tawm ntawm kev tiv thaiv tus kheej thaum lawv xav tias raug hem. Qhov tom tsis txaus ntshai, thiab feem ntau, nws yuav tsis ua rau tib neeg daim tawv nqaij.
Nkauj noog quaj kho siab npaum cas?
Cov lus teb yooj yim rau qhov no tsis yog - lawv tsis muaj 'sting' li ntawd. Tab sis muaj ntau tus account ntawm qe-ntws dragonflies uas, thaum cuam tshuam, txuas ntxiv ua haujlwm rau hauv lub cev lossis khaub ncaws ntawm kev tshuaj xyuas odonatists.
Yuav ua li cas zoo li ib tug zaj nrog ib tug stinger?
Dragonflies muaj cov stingers loj heev thiab qee cov neeg tsis haum rau lawv cov stings thiab tuaj yeem tuag. (myth - yam uas zoo li ib tug stinger ntawm ib tug dragonfly yog tiag tiag hu ua a clasperthiab tus txiv neej dragonfly siv nws los tuav tus poj niam thaum lawv mating.)
Vim li cas kab npauj khoov lawv tus nplaig?
Txuas ntxiv ntawm cov tails ntawm qee cov kab npauj npaim muab qhov txiaj ntsig kev ua kom zoo dua los ntawm kev ntxuav tawm cov phev ntawm cov neeg sib tw los ntawm lawv cov khub niam txiv xaiv ua ntej tso lawv cov phev.
Dab laug muaj fwj?
Dragonflies tsis muaj cov hniav tseeb tab sis lawv muaj qhov loj heev, muaj zog mandibles nrog sharply-pointed tooth-like serrations.
