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Inombolo 1069 kwezi-1 402

Common backswimmer

Notonecta glauca

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

AsinangoziAsinangozi ebantwini. Akukho nto yokukhathazeka ngayo.

Imibungu nezinambuzane

UkulumaSitya: Inyama

Ingozi ebantwini: KuthambileNjengokuhlatywa yinyosi okanye ngaphantsi. Phantse asinangozi ebantwini.

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

Sihlala

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

IYurophu

Ekhaya

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

Ubude

1,3 cm ukuya ku-1,6 cm (0,5 in ukuya ku-0,6 in)1

Esona santya siphezulu

malunga ne-0,45 km/h (0,28 mph)

Ukuqubha, uqikelelo nje

Sitya ntoni?

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

Ifoto ka-Common backswimmer — Common backswimmer. Ifoto: ingridaltmann. CC BY 4.0, iNaturalist.

Indlela yokusiqaphela

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

Amandla etyhefu yokuluma nokuhlaba

Ukuluma

Ityhefu iphuma ngamazinyo aso etyhefu okanye ngamazinyo aso xa siluma.

Siyingozi kangakanani ebantwini?

Ingozi ebantwini: KuthambileNjengokuhlatywa yinyosi okanye ngaphantsi. Phantse asinangozi ebantwini.

Ukuba siyaluma

Kwiinwele zemibungu ehlabayo: zisuse ngeteyipu encamathelayo, emva koko uhlambe isikhumba. Musa ukukhuhla.
Kukulunywa: hlamba uze upholise. Fumana uncedo lwezonyango ukuba umntu uziva engaphilanga kakuhle okanye wopha lula.

Soloko utsalela inombolo kaxakeka kuqala (112, 000, 911). Esi sisikhokelo soncedo lokuqala ngokubanzi, asilocebiso lwezonyango. Iziseko zoncedo lokuqala

Hlala ukhuselekile

Ungaze uchukumise, ubambe okanye uqhule isilwanyana sasendle, nokuba sincinci, kwaye nokuba sibonakala silele okanye sifile.
Sinike indawo. Ukuba udibana naso, hlala uzolile, buyela umva kancinci kwaye usiyeke sihambe ngendlela yaso.
Ukuba siyakuluma: hlala uzolile, musa ukushukuma, tsalela inombolo kaxakeka (112, 000, 911) okanye uye esibhedlele ngokukhawuleza. Khumbula ukuba sasikhangeleka njani, ifoto iyanceda.

Asikuzingeli. Sisebenzisa ityhefu yaso ukubamba ukutya okanye ukuzikhusela, kwaye singakhetha ukuzimela. Okungakumbi malunga nokuhlala ukhuselekile

Phi emhlabeni?

IAfrika IAsiya IYurophu uMntla Melika uMzantsi Melika IOstreliya neOceania

Sikhulu kangakanani?

Side kangakanani?

mfutshane kunomnwe wakho omncinci

U-Common backswimmer mkhulu kangakanani xa uthelekisa NAWE?

Zizibalo nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwa naphi na.

Sikhawuleza kangakanani?

Inkumba yasegadini malunga ne-0,05 km/h (0,03 mph)

Common backswimmer malunga ne-0,45 km/h (0,28 mph)

Umntu oqubhayo malunga ne-3 km/h (1,9 mph)

kufanelekile ukwazi

Iinyaniso

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

Kwiingcali zetyhefu

Igama lenzululwazi: Notonecta glauca
Iqela: Imibungu nezinambuzane
Usapho: Notonectidae2
Ucwangco: Hemiptera
Amazwekazi: IYurophu
Iintsana: It reproduces in the spring, and young backswimmers, called larvae, live in the water.1
Ingozi ebantwini: 1 / 5: Kuthambile3

Apho iinyaniso zivela khona

Notonecta glauca (Wikipedia (CC BY-SA 4.0))
Notonecta glauca (iNaturalist): amagama nokuhlelwa.
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