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Setshwantsho sa khathune sa Oak processionary
Nom. 1044 ya 1 402

Oak processionary

Thaumetopoea processionea
Ka ga leina: The name comes from the caterpillars' habit of moving in nose-to-tail lines called processions.1
E utlwisa botlhoko felaO se ka wa amaE a utlwisa botlhoko, mme ga e kitla e go gobatsa thata.
Diboko le dikhukhwane Meriri e e tlhabangE ja: Dimela
Kotsi go batho: E botlhokoE ka utlwisa botlhoko tota, mme go seoka thata gore e nne masisi.

The oak processionary is a moth whose caterpillars feed on oak leaves and can strip trees bare. The caterpillars travel in long, nose-to-tail lines, which is how they got their name. Their fine, hair-like bristles can irritate skin and breathing, so they matter a lot to people.1

E tshela kwa
Central and southern Europe, occasionally as far north as Sweden; now established in the UK and Belgium1
Yuropa
Gae
Oak forests and oak trees, where the caterpillars feed and build silk nests on trunks and branches. People can meet them in oak woodland, on the ground under oaks, and in gardens and parks with oak trees. Their hairs can also reach lawns and garden ponds.1
Boleele
2,5 cm go ya go 3,5 cm (1 in go ya go 1,4 in)1
Lebelo le le kwa godimo
e ka nna 0,03 km/h (0,02 mph)
Mo lefatsheng, kakanyo fela
E ja eng?
Caterpillars eat oak leaves, feeding in the tree crowns at night and returning to their nests. They also eat the leaves of hazel, hornbeam, sweet chestnut, birch and beech, though oak is preferred.1
Ka nnete!Setshwantsho sa Oak processionary
Oak processionary. Setshwantsho: Kleuske. CC BY-SA 4.0, iNaturalist.

Tsela ya go e lemoga

  • Adult moths have a wingspan of 25 to 35 mm and are tan, brown and white, which makes them hard to see against oak bark.1
  • Caterpillars have very long, white hairs that contrast with shorter hairs.1
  • Caterpillars march in lines, often arrow-shaped, with a leader and rows of several caterpillars side by side.1
  • Nests are white and silk-like when new, and become discoloured and hard to see over time.1
  • Nests can be round, teardrop-shaped, bag-like or blanket-like, and can be found at any height on an oak tree.1

Gantsi e tlhakanngwa le: Caterpillars of several other species may be mistaken for the oak processionary. Unlike other caterpillars, the oak processionary does not live on fences or walls, so it is mostly found in oak trees or on the ground beneath them in late spring and early summer.1

Maatla a botlhole

Meriri e e tlhabang

Meriri e mennye kgotsa ditlhaka di robegela mo letlalong mme di tlhabe.

Botlhole jo e bo tsenyang bo dira eng?

The caterpillars' back bristles contain a urticating toxin called thaumetopoein, a protein that irritates the skin. Contact can cause a papular rash and itching, and the hairs can also cause eye inflammation (conjunctivitis). If the hairs are breathed in, they can cause sore throat (pharyngitis), breathing problems, asthma, or in rare cases anaphylaxis, a severe allergic reaction.1

E kotsi go le kae go batho?

Kotsi go batho: E botlhokoE ka utlwisa botlhoko tota, mme go seoka thata gore e nne masisi.

The moths are an increasing nuisance to people as their range grows, and the hairs can cause a skin condition called epidemic caterpillar dermatitis. The hairs break off easily, float in the air, and can stay harmful for several seasons. Mowing a lawn can bring people into contact with them.1

Dikgang tse di molemo: dingaka di na le molemo (antivenom) kgotsa kalafi ya se.1

E dira eng fa e tshogile?

The caterpillars defend themselves with thousands of pointed, easily broken bristles on their backs that float in the air and irritate the skin.1

Fa o ama meriri ya yone

  • The skin irritation and itching can be largely relieved by cetirizine-based antihistamine tablets. Anyone with breathing problems or a severe reaction needs urgent medical help.1
  • Ya meriri e e tlhabang ya diboko: e tlose ka theipi e e kgomarelang, morago o tlhatswe letlalo. O se ka wa gotlha.
  • Fa e lomile: tlhatswa le go tsidifatsa. Batla thuso ya bongaka fa motho a ikutlwa a sa siama kgotsa a tswa madi bonolo.

Ka gale leletsa nomoro ya gago ya tshoganyetso pele (112, 000, 911). Se ke kaelo e e akaretsang ya thuso ya ntlha, ga se kgakololo ya bongaka. Motheo wa thuso ya ntlha

Nna o babalesegile

  • O se ka wa ama, wa tshwara kgotsa wa tshwenya phologolo ya naga, le fa e le e nnye, le fa e lebega e robetse kgotsa e sule.
  • E fe sebaka. Fa o kopana le yone, ritibala, boela morago ka bonya mme o e tlogele e tsamaye ka tsela ya yone.
  • Fa o ama meriri ya yone: ritibala, o se ka wa tshikinyega, leletsa nomoro ya gago ya tshoganyetso (112, 000, 911) kgotsa o ye bookelong ka bonako. Gopola gore e ne e lebega jang, setshwantsho se a thusa.

Ga e go batle. E dirisa botlhole jwa yone go tshwara dijo kgotsa go itshireletsa, mme e rata go iphitlha go feta. Go le gontsi ka go nna o babalesegile

Kae mo lefatsheng?

AforikaAsiaYuropaAmerika BokoneAmerika BorwaAustralia le Oceania

E kgolo go le kae?

E telele go le kae?

Oak processionary e ka nna 3,5 cm ka boleele (1,4 in)Kelipi ya pampiri e ka nna 3 cm (1,2 in)Founu e e botlhale e ka nna 15 cm (5,9 in)
e ka nna boleele jo bo lekanang le jwa kelipi ya pampiribonya go feta kgopa ya tshingwana

Oak processionary e kgolo go le kae fa e bapisiwa le WENA?

Ke dipalo fela mo sefetleng sa gago (browser). Ga go sepe se se bolokwang kgotsa se se romelwang gope.

E bonako go le kae?

go botlhokwa go itse

Dintlha

1

Older caterpillars can have up to 63,000 pointed defensive bristles on their backs.1

2

In 2007, soldiers were deployed to burn infestations in the Belgian province of Limburg.1

3

The UK government spent £37 million trying to control the caterpillars, which had spread to all 33 London boroughs by 2019.1

4

In the Netherlands, great tits have been observed eating the young caterpillars before their hairs develop in April.1

5

In 2023, an outbreak in Ireland was successfully eradicated.1

Ya baitseanape ba botlhole

Leina la saense
Thaumetopoea processionea
Setlhopha
Diboko le dikhukhwane
Lelapa
Notodontidae2
Lekoko
Lepidoptera
Dikontinente
Yuropa
Masea
Eggs hatch into caterpillars that build communal silk nests in oak trees, and the caterpillars later pupate into adult moths in these nests.1
Kotsi go batho
2 / 5: E botlhoko3

Kwa dintlha di tswang teng

  1. Oak processionary (Wikipedia (CC BY-SA 4.0))
  2. Thaumetopoea processionea (iNaturalist): maina le thulaganyo ya mefuta.
  3. Venom Wiki: seelo sa kotsi, bogolo jo bo tlwaelegileng le kakanyo ya lebelo ke tsa rona. Bona kafa re di balang ka teng: Kafa re lekanyang kotsi ka teng.

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E tshela gape kwa: Yuropa

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Fepa phephengnkgwana ya dimpho, e e dira mahala