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Common backswimmer

Notonecta glauca

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

Isina ngoziHaina ngozi kuvanhu. Hapana chekunetseka nacho.

Makonye nezvipukanana

InorumaInodya: Nyama

Ngozi kuvanhu: Ngozi shomaSenyuchi kubaya kana kushoma. Kazhinji haina ngozi kuvanhu.

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

Inogara mu

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

Yuropu

Kumba

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

Kureba

1,3 cm kusvika 1,6 cm (0,5 in kusvika 0,6 in)1

Kumhanya kukuru

kunenge 0,45 km/h (0,28 mph)

Kushambira, kufungidzira

Inodya chii?

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

Mufananidzo waCommon backswimmer — Common backswimmer. Mufananidzo: ingridaltmann. CC BY 4.0, iNaturalist.

Maziviro ayo

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

Simba reuturu

Inoruma

Uturu hunobuda nemeno ayo painoruma.

Ine ngozi yakadii kuvanhu?

Ngozi kuvanhu: Ngozi shomaSenyuchi kubaya kana kushoma. Kazhinji haina ngozi kuvanhu.

Kana ikaruma

Kune mvere dzemakonye anobaya: dzibvise nekamatepi kanonamira, wozogeza ganda. Usakwesha.
Kana yakuruma: geza parumwa wotonhodza. Wana rubatsiro rwechiremba kana munhu asinganzwi zvakanaka kana achibuda ropa zviri nyore.

Gara uchitanga wafonera nhamba yechimbichimbi (112, 000, 911). Iri izano rakajairika rerubatsiro rwekutanga, kwete zano rechiremba. Zvakakosha zverubatsiro rwekutanga

Gara wakachengeteka

Usambobata mhuka yesango, kuedza kuitora kana kuinetsa, kunyange iri diki, uye kunyange ichiita seyakarara kana yakafa.
Ipa nzvimbo. Kana ukasangana nayo, dzikama, dzokera shure zvishoma nezvishoma uirege iende nenzira yayo.
Kana imwe ikakuruma: dzikama, gara wakanyarara, fonera nhamba yechimbichimbi (112, 000, 911) kana kuti enda kuchipatara nokukurumidza. Rangarira kuti yaitaridzika sei, mufananidzo unobatsira.

Haisi kukutsvaga. Inoshandisa uturu hwayo kubata chikafu kana kuzvidzivirira, uye inotonyanya kuda kuhwanda. Zvimwe pamusoro pekugara wakachengeteka

Kupi pasi rose?

Afrika Asia Yuropu Amerika yeKuchamhembe Amerika yeKumaodzanyemba Australia neOceania

Yakakura sei?

Yakareba zvakadii?

ipfupi kupfuura munwe wako mudiki

Common backswimmer yakakura sei kana yaenzaniswa NEWE?

Masvomhu chete mubrowser yako. Hapana chinochengetwa kana kutumirwa kupi zvako.

Inomhanya zvakadii?

Hozhwa yemugadheni kunenge 0,05 km/h (0,03 mph)

Common backswimmer kunenge 0,45 km/h (0,28 mph)

Munhu achishambira kunenge 3 km/h (1,9 mph)

zvakanaka kuziva

Chokwadi

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

Kune nyanzvi dzeuturu

Zita resainzi: Notonecta glauca
Boka: Makonye nezvipukanana
Mhuri: Notonectidae2
Odha: Hemiptera
Makondinendi: Yuropu
Vacheche: It reproduces in the spring, and young backswimmers, called larvae, live in the water.1
Ngozi kuvanhu: 1 / 5: Ngozi shoma3

Kwakabva chokwadi

Notonecta glauca (Wikipedia (CC BY-SA 4.0))
Notonecta glauca (iNaturalist): mazita nekurongwa kwemhuka.
Venom Wiki: danho rengozi, saizi yakajairika nekufungidzira kwekumhanya ndezvedu. Ona kuti tinozviwana sei: Matinoyera ngozi.

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