·科学·
A2B1

Warmer Weather Helps Southern Insects Move North in the UK

温暖な気候の影響で、イギリスでは南方の昆虫が北上

#insects#climate change#uk wildlife#weather
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Level A2

More unusual insects are moving into new areas in the UK. People are seeing species like the hummingbird hawk moth in higher numbers than before. These insects usually live in warmer southern countries.

Warmer summer weather is helping these insects travel further north. For example, the hummingbird hawk moth flies to the UK from southern Europe and North Africa in summer. It has a grey body, orange back wings, and wings that beat 80 times every second. Many people mistake it for a small bird when it hovers over flowers.

mistake ... for ...= 〜を…と見間違える、勘違いする

Another insect moving north is the ivy bee, which feeds on ivy flowers. It was first seen in the UK in 2001. Other species like the wasp spider, which has bright yellow, black, and white stripes, have also moved over 100 miles north of their usual home.

Wildlife experts say warmer weather from climate change may help some of these insects stay in the UK all year. However, while some new insects are arriving, some older UK species are becoming rarer.

while ..., ...= 〜である一方で、…(対比を表す接続詞)

Level B1

Unusually warm summer temperatures in the UK are allowing several rare insect species to expand into new regions. Wildlife groups in the West Midlands reported a record number of sightings in 2026 for species that normally prefer warmer climates in southern Europe or southern England.

allow (something) to (do)= 〜が…するのを可能にする

Among the new arrivals is the hummingbird hawk moth, a migratory insect from southern Europe and North Africa. Known for its furry grey body, orange hindwings, and wings that beat about 80 times per second, it hovers over flowers and is often mistaken for a small bird. Another expanding species is the ivy bee, which feeds mainly on ivy nectar. First recorded in the UK in 2001, it has been slowly spreading northward across the country.

known for ...= 〜で知られている、〜が特徴である

Warmer weather has also pushed the wasp spider—famous for its yellow, black, and white stripes—more than 100 miles away from its traditional habitat into counties like Worcestershire, Herefordshire, and Warwickshire. Other creatures, such as the clouded yellow butterfly and the hornet hoverfly, are also becoming more common in areas where they were rarely seen two decades ago.

Local experts like James Benwell from the Birmingham and Black Country Wildlife Trust note that if temperatures continue to rise due to climate change, some migratory insects may become permanent residents in the UK. However, scientists warn that hot weather does not benefit every insect, as some previously common native species, such as the small tortoiseshell butterfly, are now declining rapidly.

due to ...= 〜が原因で、〜のために

学習ノート

表現パターン

パターン意味
mistake ... for ...〜を…と見間違える、勘違いする
while ..., ...〜である一方で、…(対比を表す接続詞)
allow (something) to (do)〜が…するのを可能にする
known for ...〜で知られている、〜が特徴である
due to ...〜が原因で、〜のために

語彙

語意味
migratory季節によって移動する(動物などの)
habitat動植物が自然の状態で生息する場所や環境。
declining数量・程度・価値などが減少すること、または低下すること。
permanent residentsある場所に永続的に住んでいる人や動物;特に、外国に永住する権利を認められた人

言語メモ

  • •気候変動により、通常は南欧や北アフリカなど温暖な地域に生息する昆虫が、イギリスで北上し、一部は一年を通して滞在する可能性があります。
  • •ホウジャクやキヅタハナバチなど新たに見られる種が増える一方、コヒオドシ(small tortoiseshell butterfly)のように以前は一般的だった在来種が急速に減少しています。

練習

読んだ内容を確認しましょう。

  1. Among the new arrivals is the hummingbird hawk moth, a   insect from southern Europe and North Africa.

  2. According to the article, why are species like the hummingbird hawk moth and ivy bee moving further north in the UK?

Source: BBC News