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Common backswimmer

Notonecta glauca

Ku saabsan magaca: Its common names come from the way it swims on its back, using its hind legs like oars in a boat.1

Waxyeello ma lehDadka waxyeello uma leh. Wax laga walwalo ma jiro.

Dirxiyo iyo cayayaan

QaniinWuxuu cunaa: Hilib

Khatarta dadka: FududSida mudidda shinnida ama ka yar. Dadka waxyeello uma leh.

The common backswimmer is a small water insect that swims upside down, under the surface of ponds. It hunts other small water creatures and can fly between ponds when the weather is warm. It is the most common backswimmer in much of its range.1

Wuxuu ku nool yahay

Large parts of Europe, North Africa, and east through Asia to Siberia and China1

Yurub

Bogga hore

It lives under the water surface in ponds, and it is also the most widespread of the four British water-boatmen. In warm late summer and autumn it flies between ponds.1

Dherer

1.3 cm ilaa 1.6 cm (0.5 in ilaa 0.6 in)1

Xawaaraha ugu sarreeya

qiyaastii 0.45 km/saac (0.28 mayl/saac)

Dabbaal, qiyaas qallafsan

Muxuu cunaa?

It is a predator. It either waits for prey to pass by or swims and actively hunts it. It often feeds on mosquito (Culex) larvae at the surface, and mature females also dive to the bottom of shallow ponds to catch isopods (Asellus).1

Sawirka Common backswimmer — Common backswimmer. Sawir: ingridaltmann. CC BY 4.0, iNaturalist.

Sida loo aqoonsado

Swims and rests on its back1
Body length is about 13 to 16 mm1
Females are larger than males1
Hind legs are fringed with hair and held out to the sides like oars when resting1
Body is covered in hairs, except on the head and legs1

Awoodda sunta

Qaniin

Suntu waxay ka soo baxdaa ilkihiisa sunta ama ilkihiisa marka uu qaniino.

Intee buu dadka khatar ugu yahay?

Khatarta dadka: FududSida mudidda shinnida ama ka yar. Dadka waxyeello uma leh.

Haddii uu qaniino

Timaha mudda ee dirxiga: ku qaad cajalad dhegdheg ah, kadib dhaq maqaarka. Ha xoqin.
Qaniinyada: dhaq oo qabooji. Hel caawimaad caafimaad haddii qofku dareemo xanuun ama uu si fudud u dhiig baxo.

Marka hore had iyo jeer wac lambarka gurmadka degdegga ah (112, 000, 911). Kani waa hage guud oo gargaar degdeg ah, ma aha talo caafimaad. Aasaaska gargaarka degdegga ah

Badbaado

Weligaa ha taaban, ha qaban, hana ku ciyaarin xayawaan duurjoog ah, xitaa mid yar, xitaa haddii uu u muuqdo inuu hurdo ama dhintay.
Meel u bannee. Haddii aad mid la kulanto, deg, tartiib dib ugu noqo oo u daa inuu jidkiisa maro.
Haddii mid ku qaniino: deg, ha dhaqaaqin, wac lambarka gurmadka degdegga ah (112, 000, 911) ama si degdeg ah u tag isbitaalka. Xusuuso sida uu u egyahay, sawir ayaa caawiya.

Kuma raadinayo. Suntiisa wuxuu u isticmaalaa inuu cunto ku qabsado ama isku difaaco, wuxuuna aad u door bidaa inuu dhuunto. Wax badan oo ku saabsan badbaadada

Adduunka xaggee?

Afrika Aasiya Yurub Waqooyiga Ameerika Koonfurta Ameerika Awstaraaliya iyo Oceania

Intee buu le'eg yahay?

Intee buu dherer le'eg yahay?

ka gaaban faraha yar

Intee buu Common backswimmer le'eg yahay marka ADIGA laguu barbar dhigo?

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Intee buu u dheereeyaa?

Qolofleyda beerta qiyaastii 0.05 km/saac (0.03 mph)

Common backswimmer qiyaastii 0.45 km/saac (0.28 mph)

Qof dabaalanaya qiyaastii 3 km/saac (1.9 mph)

waa wanaagsan tahay in la ogaado

Xaqiiqooyin

It breathes air but has no gills. It keeps a thin film of air around its body, which can last up to 120 days.1

It can tell prey from other backswimmers by the surface waves they make. Prey waves are between 70 and 140 Hz, while other backswimmers make waves below 40 Hz.1

Its air film reduces drag when it dives. Scientists use it as a model for reducing drag, with possible uses such as on ships.1

It can see in both day and night. Its pupil takes about 40 minutes to adjust to daylight and about 50 minutes to adjust to night light.1

Khubarada sunta

Magaca sayniska: Notonecta glauca
Koox: Dirxiyo iyo cayayaan
Qoys: Notonectidae2
Kala horreynta: Hemiptera
Qaaradaha: Yurub
Carruurta yaryar: It reproduces in the spring, and young backswimmers, called larvae, live in the water.1
Khatarta dadka: 1 / 5: Fudud3

Meesha xaqiiqooyinku ka yimaadaan

Notonecta glauca (Wikipedia (CC BY-SA 4.0))
Notonecta glauca (iNaturalist): magacyada iyo kala soocidda.
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