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Natal Common backswimmer
No. 1069 e 1 402

Common backswimmer

Notonecta glauca
Ko faati e innde ndee: Its common names come from the way it swims on its back, using its hind legs like oars in a boat.1
Alaa boneAlaa bone e yimɓe. Alaa ko haanaa hulude.
Ngooɓuuli e ɓuuɓuuli ŊatgolIna ñaama: Teew
Bone e yimɓe: HoyɗoNo jukkugol ñaaki walla ko ɓuri famɗude. Ko ɓuri heewde alaa bone e yimɓe.

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

Ina wuuri e
Large parts of Europe, North Africa, and east through Asia to Siberia and China1
Orop
Hello arano
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
Juuteendi
1,3 cm haa 1,6 cm (0,5 in haa 0,6 in)1
Yaawde ɓurnde
hedde 0,45 km/h (0,28 mph)
Yoowde, miijo
Hol ko ngal ñaamata?
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
Goonga!Natal Common backswimmer
Common backswimmer. Natal: ingridaltmann. CC BY 4.0, iNaturalist.

No anndirte ngal

  • 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

Doole tooke

Ŋatgol

Tooke ngal ina yaltira ñiiƴe mum so ina ŋata.

Hol no bone mum heewiri e yimɓe?

Bone e yimɓe: HoyɗoNo jukkugol ñaaki walla ko ɓuri famɗude. Ko ɓuri heewde alaa bone e yimɓe.

So ina ŋata

  • Ngam leɓɓe ngooɓuuli jukkooje: ittu ɗe e skots ɓataaɗo, refti loot nguru ngu. Wota a moomtu.
  • Ngam ŋatgol: loot nokku oo, ɓuuɓnu. Heɓ ballal cafrol so neɗɗo oo ina wiya wonaa e jam, walla ina ƴiiɗa ko newii.

Adii fof noddu nimero urgence (112, 000, 911). Ɗum ko anndinal ballal adiingal, wonaa saaraangal doktoor. Ko adii e ballal adiingal

Reen hoore maa

  • Wota a meem, wota a nanngu, wota a ñiŋŋu kullal ladde haa abada, hay so ngal ina famɗi, hay so ina nanndi e ɗaaniingal walla maayngal.
  • Accu ngal nokku. So a fotti e ngal, deƴƴu, ruttu ɓaawo seeɗa seeɗa, accu ngal yaha laawol mum.
  • So gooto ŋatii ma: deƴƴu, wota a dillu, noddu nimero urgence (112, 000, 911) walla yahu opitaal law. Jogo e hakkille no ngal nanndi, natal ina walla.

Ngal faalaaka gaañde ma. Ina huutoroo tooke mum ngam nanngude ñaamdu walla reenaade, ina ɓuri yiɗde suuɗaade. Ɓeydu anndude no reentortoo

Hol to e aduna?

AfrikAaziOropAmerik RewoAmerik WorgoOstaraali e Oseyaani

Hol no mawniri?

Hol no juutiri?

Common backswimmer hedde 1,6 cm juutde (0,6 in)Ɓiyngel maaro gooto hedde 7 mm (0,3 in)Pees 1 oro hedde 2,3 cm (0,9 in)
ɓuri hondu maa tokooso rabbaɗde

Hol no Common backswimmer mawniri, so fooɗondiraama e AN?

Limgal tan e navigatoor maa. Alaa ko danndetee walla ko neldetee.

Hol no yaawiri?

moƴƴi anndude

Humpito

1

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

2

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

3

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

4

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

Ngam ganduɓe tooke

Innde ganndal
Notonecta glauca
Fedde
Ngooɓuuli e ɓuuɓuuli
Ɓesngu
Notonectidae2
Ordre
Hemiptera
Leyɗe mawɗe
Orop
Ɓiɓɓe tokooso
It reproduces in the spring, and young backswimmers, called larvae, live in the water.1
Bone e yimɓe
1 / 5: Hoyɗo3

Ɗo humpito iwri

  1. Notonecta glauca (Wikipedia (CC BY-SA 4.0))
  2. Notonecta glauca (iNaturalist): inɗe e ceergal.
  3. Venom Wiki: tolno bone, mawnude heewnde e miijo yaawde ko amen. Yiy no men keɓirta ɗum: No men tolnirta bone.

Kala humpito e ngoo hello ina jogii limoore hollirnde iwdi mum. So men juumii, yaafo, men ko yiɗɓe kulle, wonaa jaaynde ganndal. Wiy men e [email protected], men feewnita.

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