Common backswimmer
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

Imbaraga z'ubumara
Ubumara busohokera mu menyo yayo y'ubumara cyangwa mu yandi menyo iyo iriye.
Iteje akaga kangana iki ku bantu?
Akaga ku bantu: YorohejeNko guterwa urubori n'uruyuki cyangwa munsi yaho. Mu by'ukuri ntacyo itwaye abantu.
Niba iruma
- Ku bwoya bw'ibinyabwoya biryana: bukureho ukoresheje sikoci ifata, hanyuma woze uruhu. Ntugakube.
- Iyo yarumye: oza aho yarumye kandi uhakonjeshe. Shaka ubufasha bwa muganga niba umuntu yumva atameze neza cyangwa ava amaraso byoroshye.
Buri gihe banza uhamagare nimero y'ubutabazi (112, 000, 911). Izi ni inama rusange z'ubutabazi bw'ibanze, si inama za muganga. Ibanze by'ubutabazi bw'ibanze
Irinde akaga
- Ntuzigere ukora, ufata cyangwa ushotora inyamaswa yo mu gasozi, nubwo yaba ntoya, kandi nubwo yasa n'isinziriye cyangwa yapfuye.
- Yihe umwanya. Niba uhuye n'imwe, tuza, usubire inyuma buhoro buhoro kandi uyireke yigendere.
- Niba imwe ikurumye: tuza, ntunyeganyege, hamagara nimero y'ubutabazi (112, 000, 911) cyangwa ujye ku bitaro vuba. Ibuka uko yasaga, ifoto irafasha.
Ntigushakisha ngo ikugirire nabi. Ikoresha ubumara bwayo kugira ngo ifate ibyo kurya cyangwa yirinde, kandi ikunda cyane kwihisha. Ibindi ku kwirinda
Ingana gute?
Ireshya ite?
ngufi kurusha agahera kaweCommon backswimmer ingana ite ugereranyije NAWE?
Ni imibare gusa ikorerwa muri mudasobwa yawe. Nta kintu kibikwa cyangwa cyoherezwa ahandi.
Yihuta gute?
Ibintu by'ukuri
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
Aho ibintu bivugwa bituruka
- Notonecta glauca (Wikipedia (CC BY-SA 4.0))
- Notonecta glauca (iNaturalist): amazina n'ibyiciro.
- Venom Wiki: urwego rw'akaga, ingano isanzwe n'ikigereranyo cy'umuvuduko ni ibyacu bwite. Reba uko tubibara: Uko tugena akaga.
Buri kintu kivugwa kuri iyi paji gifite nimero yerekana aho cyavuye. Niba twibeshye, tubabarire, turi abakunzi b'inyamaswa, ntituri ikinyamakuru cya siyansi. Tubwire kuri [email protected] tuzabikosora.
Iraruma
Uko wayimenya