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Setshwantsho sa khathune sa Oak processionary
No. 1044 ho 1 402

Oak processionary

Thaumetopoea processionea
Ka lebitso: The name comes from the caterpillars' habit of moving in nose-to-tail lines called processions.1
E utlwisa bohloko feelaO se ke wa amaE a utlwisa bohloko, empa e ke ke ya o lematsa haholo.
Diboko le dikokoanyana Boya bo hlabangE ja: Dimela
Kotsi ho batho: E bohlokoE ka utlwisa bohloko haholo, empa hoo e batlang e le kamehla ha e kotsi haholo.

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 phela
Central and southern Europe, occasionally as far north as Sweden; now established in the UK and Belgium1
Yuropa
Lapeng
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
Bolelele
2,5 cm ho isa ho 3,5 cm (1 in ho isa ho 1,4 in)1
Lebelo le phahameng
e ka bang 0,03 km/h (0,02 mph)
Naheng, kakanyo feela
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!Foto ya Oak processionary
Oak processionary. Foto: Kleuske. CC BY-SA 4.0, iNaturalist.

Ho e tseba jwang

  • 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

Hangata e ferekanngwa 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

Matla a chefo

Boya bo hlabang

Boya bo bonyenyane kapa ditlhaka di robehela letlalong mme di a hlaba.

Chefo ya yona (eo e e kenyang ka ho loma kapa ho hlaba) e etsang?

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 hakae ho batho?

Kotsi ho batho: E bohlokoE ka utlwisa bohloko haholo, empa hoo e batlang e le kamehla ha e kotsi haholo.

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

Ditaba tse monate: dingaka di na le moriana (antivenom) kapa kalafo bakeng sa sena.1

E etsang ha e tshohile?

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

Haeba o ama boya ba yona

  • 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
  • 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 o ama boya ba yona: 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?

Oak processionary bolelele ba e ka bang 3,5 cm (1,4 in)Klipi ya pampiri e ka bang 3 cm (1,2 in)Fono e bohlale e ka bang 15 cm (5,9 in)
e telele jwaloka klipi ya pampirie dieha ho feta kgofu ya serapeng

Oak processionary 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

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

Bakeng sa ditsebi tsa chefo

Lebitso la saense
Thaumetopoea processionea
Sehlopha
Diboko le dikokoanyana
Lelapa
Notodontidae2
Tatelano
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 ho batho
2 / 5: E bohloko3

Moo dintlha di tswang teng

  1. Oak processionary (Wikipedia (CC BY-SA 4.0))
  2. Thaumetopoea processionea (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.

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