The Reading / Listening - Insect Loss - Level 5

Street lights and other forms of artificial lighting could be causing a decline in insects. Researchers from the UK Centre for Ecology and Hydrology conducted studies on the number of insects living near sources of white light from LEDs. The researchers said LEDs are disrupting insect behaviour and causing a fall in their numbers. The lead researcher said the results of his study were "eye-opening". He was surprised at how much LEDs affected the number of insects. He found a 47 per cent reduction in insects near hedgerow test sites and a 37 per cent reduction near roadside grassy areas.

Researchers set up LEDs at 26 roadside sites in the countryside that contained hedges or grassy areas. They counted the numbers of moth caterpillars found at these sites and compared these with insects found at unlit sites. A researcher said: "We were really quite taken aback by just how stark [the difference] was." He suggested that LEDs caused two drastic changes in behaviour. He said the lights stopped female insects laying eggs in the lit areas. In addition, artificial lighting disturbed the feeding behaviour of the insects, so the caterpillars in the unlit areas were heavier.

Try the same news story at these levels:

    Insect Loss - Level 4 or  Insect Loss - Level 6

Sources
  • https://phys.org/news/2021-08-streetlights-contribute-insect-population-declines.html
  • https://www.bbc.com/news/science-environment-58333233
  • https://www.msn.com/en-us/news/technology/led-streetlights-contribute-to-insect-population-declines-study/ar-AANJSIE


Make sure you try all of the online activities for this reading and listening - There are dictations, multiple choice activities, drag and drop activities, sentence jumbles, which word activities, text reconstructions, spelling, gap fills and a whole lot more. Please enjoy :-)





Phrase Matching

Paragraph 1

  1. other forms of artificial
  2. causing a decline
  3. insects living near sources
  4. LEDs are disrupting
  5. the results of his study
  6. surprised at how much LEDs
  7. a 47 per cent
  8. near roadside grassy
  1. reduction in insects
  2. of white light
  3. lighting
  4. affected the number
  5. areas
  6. insect behaviour
  7. in insects
  8. were eye-opening

Paragraph 2

  1. Researchers set up LEDs
  2. hedges or
  3. the numbers of moth
  4. We were really quite taken
  5. how stark the
  6. LEDs caused two drastic changes
  7. the feeding behaviour
  8. caterpillars in the unlit areas
  1. caterpillars found
  2. in behaviour
  3. were heavier
  4. difference was
  5. at 26 roadside sites
  6. of the insects
  7. aback
  8. grassy areas

Listening — Listen and fill in the gaps

Street lights and other forms (1) ___________________ could be causing a decline in insects. Researchers from the UK Centre for (2) ___________________ conducted studies on the number of insects living near (3) ___________________ light from LEDs. The researchers said LEDs are disrupting insect behaviour and causing a fall (4) ___________________. The lead researcher said the results of his study (5) ___________________ . He was surprised at how much LEDs affected the number of insects. He found a 47 per cent reduction in insects near hedgerow test sites and a 37 per cent reduction (6) ___________________ areas.

Researchers set up LEDs at 26 (7) ___________________ the countryside that contained (8) ___________________ areas. They counted the numbers of moth caterpillars found at these sites and compared these with insects (9) ___________________ sites. A researcher said: "We were really (10) ___________________ by just how stark [the difference] was." He suggested that LEDs caused two (11) ___________________ behaviour. He said the lights stopped female insects laying eggs in the lit areas. In addition, artificial lighting (12) ___________________ behaviour of the insects, so the caterpillars in the unlit areas were heavier.

Put a slash (/) where the spaces are

Streetlightsandotherformsofartificiallightingcouldbecausingadeclin
eininsects.ResearchersfromtheUKCentreforEcologyandHydrologyc
onductedstudiesonthenumberofinsectslivingnearsourcesofwhitelig
htfromLEDs.TheresearcherssaidLEDsaredisruptinginsectbehaviour
andcausingafallintheirnumbers.Theleadresearchersaidtheresultsof
hisstudywere"eye-opening".HewassurprisedathowmuchLEDsaffe
ctedthenumberofinsects.Hefounda47percentreductionininsectsnea
rhedgerowtestsitesanda37percentreductionnearroadsidegrassyare
as.ResearcherssetupLEDsat26roadsidesitesinthecountrysidethatco
ntainedhedgesorgrassyareas.Theycountedthenumbersofmothcater
pillarsfoundatthesesitesandcomparedthesewithinsectsfoundatunlit
sites.Aresearchersaid:"Wewerereallyquitetakenabackbyjusthowsta
rk[thedifference]was."HesuggestedthatLEDscausedtwodrasticchan
gesinbehaviour.Hesaidthelightsstoppedfemaleinsectslayingeggsint
helitareas.Inaddition,artificiallightingdisturbedthefeedingbehaviou
roftheinsects,sothecaterpillarsintheunlitareaswereheavier.

Student survey

Write five GOOD questions about this topic in the table. Do this in pairs. Each student must write the questions on his / her own paper. When you have finished, interview other students. Write down their answers.

(Please look at page 12 of the PDF to see a photocopiable example of this activity.)

Discussion — Write your own questions

STUDENT A’s QUESTIONS (Do not show these to student B)

(a) ________________

(b) ________________

(c) ________________

(d) ________________

(e) ________________

(f) ________________

(g) ________________

(h) ________________

STUDENT B’s QUESTIONS (Do not show these to student A)

(i) ________________

(j) ________________

(k) ________________

(l) ________________

(m) ________________

(n) ________________

(o) ________________

(p) ________________

Free writing

Write about this topic for 10 minutes. Comment on your partner’s paper.

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_____________________________________________________________________________

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Answers

(Please check your answers against the article above.

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