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Setshwantsho sa khathune sa Rhodnius kissing bug
No. 1059 ho 1 402

Rhodnius kissing bug

Rhodnius prolixus
Ka lebitso: It is called the kissing bug because it tends to feed on the area around victims' mouths.1
E hloka ngakaHa e atise ho bolaya, empa ho longwa ho hloka ngaka.
Diboko le dikokoanyana Ho lomaE ja: Nama
Kotsi ho batho: E tebilengHo longwa ho hloka ngaka. Lefu le etsahala ka seoelo haholo.

The Rhodnius kissing bug is a blood-feeding insect that feeds on the skin around people's mouths while they sleep. It lives in northern South America and Central America, and it matters because it spreads the parasite that causes Chagas disease.1

E phela
Northern South America and Central America1
Amerika Leboya, Amerika Borwa
Lapeng
Its wild populations are mainly in savanna and foothills, at altitudes of 500 to 1,500 metres, and are closely linked to palm trees. In Central America it lives only in houses and other buildings near people.1
Bolelele
2 cm (0,8 in)3
boholo bo tlwaelehileng ba e hodileng
Lebelo le phahameng
e ka bang 0,5 km/h (0,31 mph)
Naheng, kakanyo feela
E ja eng?
It feeds on the blood of its hosts, which include birds, rodents, marsupials, sloths and reptiles, as well as people. It takes one large blood meal at each larval stage.1
Ka nnete!Foto ya Rhodnius kissing bug
Rhodnius kissing bug. Foto: Annika Lindqvist. CC BY 4.0, iNaturalist.

Ho e tseba jwang

  • Feeds on blood, usually from the area around a sleeping person's mouth1
  • Lives in palm tree habitats in the wild1
  • Found in houses in Central America1

Matla a chefo

Ho loma

Chefo e tswa ka meno a yona a chefo (fangs) kapa ka meno a mang ha e loma.

E kotsi hakae ho batho?

Kotsi ho batho: E tebilengHo longwa ho hloka ngaka. Lefu le etsahala ka seoelo haholo.

It is the main carrier of the parasite that causes Chagas disease in northern South America, and the only carrier in Central America. The parasite is passed in the bug's faeces straight after a blood meal. People can become infected when they scratch the bite and rub the faeces into it, through a blood transfusion, or by eating food contaminated with the bug's faeces.1

Haeba e loma

  • Bakeng sa boya bo hlabang ba diboko: bo tlose ka theipi e kgomarelang, ebe o hlatswa letlalo. O se ke wa hohla.
  • Bakeng sa ho longwa: hlatswa mme o pholise. Fumana thuso ya bongaka haeba motho a ikutlwa a kula kapa a tswa madi habonolo.

Kamehla letsetsa nomoro ya tshohanyetso pele (112, 000, 911). Ena ke tataiso e akaretsang ya thuso ya pele, hase keletso ya bongaka. Metheo ya thuso ya pele

Dula o bolokehile

  • O se ke wa ama, wa tshwara kapa wa tena phoofolo ya naheng, leha e le e nyenyane, le leha e shebahala e robetse kapa e shwele.
  • E fe sebaka. Ha o kopana le yona, dula o kgutsitse, kgutlela morao butle mme o e tlohele e tsamaye ka tsela ya yona.
  • Haeba e nngwe e o loma: dula o kgutsitse, o se ke wa sisinyeha, letsetsa nomoro ya tshohanyetso (112, 000, 911) kapa o ye sepetlele kapele. Hopola hore e ne e shebahala jwang, foto e a thusa.

Ha e o batle. E sebedisa chefo ya yona ho tshwara dijo kapa ho itshireletsa, mme e kgetha ho ipata. Ho eketsehileng ka ho dula o bolokehile

Hokae lefatsheng?

AfrikaAsiaYuropaAmerika LeboyaAmerika BorwaAustralia le Oceania

E kgolo hakae?

E telele hakae?

Rhodnius kissing bug bolelele ba e ka bang 2 cm (0,8 in)Thollo ya raese e ka bang 7 mm (0,3 in)Tjhelete ya tshepe ya euro e le nngwe e ka bang 2,3 cm (0,9 in)
e telele jwaloka klipi ya pampiri

Rhodnius kissing bug e kgolo hakae ha e bapiswa le WENA?

Ke dipalo feela ka hara sebatli sa hao. Ha ho letho le bolokwang kapa le romelwang kae kapa kae.

E potlaka hakae?

ho molemo ho tseba

Dintlha

1

Its saliva contains lipocalins, which bind the chemical serotonin. This helps stop the host's blood vessels from narrowing while the bug feeds.1

2

Sir Vincent Wigglesworth used this bug to study insect hormones. He showed that removing the head during a larval stage makes the insect develop into an adult early.1

3

Specimens from Venezuela escaped from a research laboratory in San Salvador in 1915 and then spread through Central America, probably helped by travellers carrying them.1

4

Its wild populations have been linked to the transfer of transposons, which are pieces of DNA that move around, between the bug and some of its hosts, such as squirrel monkeys and opossums.1

5

The insect goes through five larval stages, and each one ends in a moult about 12 to 15 days after a large blood meal.1

Bakeng sa ditsebi tsa chefo

Lebitso la saense
Rhodnius prolixus
Sehlopha
Diboko le dikokoanyana
Lelapa
Reduviidae2
Tatelano
Hemiptera
Dikontinente
Amerika Leboya, Amerika Borwa
Kotsi ho batho
3 / 5: E tebileng3

Moo dintlha di tswang teng

  1. Rhodnius prolixus (Wikipedia (CC BY-SA 4.0))
  2. Rhodnius prolixus (iNaturalist): mabitso le tlhophiso.
  3. Venom Wiki: boemo ba kotsi, boholo bo tlwaelehileng le kakanyo ya lebelo ke tsa rona. Bona kamoo re di balang ka teng: Kamoo re lekanyang kotsi ka teng.

Taba e nngwe le e nngwe leqepheng lena e na le nomoro e bontshang mohlodi wa yona. Haeba re entse phoso, re kopa tshwarelo, re barati ba diphoofolo, hase makasine wa saense. Re bolelle ho [email protected] mme re tla e lokisa.

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Tse ding tsa sehlopha se le seng: Diboko le dikokoanyana

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Fepa phephengnkgo ya ditjhelete tsa teboho, e e boloka e le mahala