Arbeitsblatt: Zoom in on insects: Insects and us (3.1)

3.1 Useful and harmful aspects of insects Houseflies often oft vegetables Gemüse bad meat verdorbenes Fleisch dirty dreckig health Gesundheit There are many, many different kinds of The one we probably see most often is the housefly. This is it likes to come inside. It likes to lay its in old vegetables or bad meat. Sometimes they lay their eggs in in the. Because they land and feed in dirty places and then come into contact with our food, flies can be to our health. Fill the gaps with these words: food buildings fly harmful kitchen (Küche) eggs because China important silk produce Silk moths (Seidenspinner) silk Seide moth Motte caterpillar Raupe bred von breed züchten spin spinnen The caterpillars from most moths produce silk. The best quality silk comes from special moths. These lived at one time in Now the silk moths are bred specially, all over the world to silk for the textile industry and are very The silkworms – the caterpillars – spin the to make cocoon for the time when they become pupae. (produzieren) Ants build bauen important wichtig Ants normally live in nests in the Sometimes they build nests dead trees. The queen ant is very and stays in special room in the nest. She can live up to fifteen years. Ants like things to eat. In summer we can often find them inside and the house where they form columns, long lines of ants. When ants find something sweet in the, it can be very difficult to keep them away. But they are also important because they to keep other minibeasts under control by feeding on them. big ground (Boden) outside sweet (süss) help inside kitchen Fleas (Flöhe) blood Blut infected entzündet collar Halsband itch jucken, beissen Fleas are parasites. This means that they live other animals – even human beings, but this is quite rare. There are lots of different kinds of fleas. They feed on the blood of the animal they live on. Wild animals and animals often have fleas and they can be if flea bite becomes infected. Fleas also live on dogs and . Thats why cats and dogs often have special flea collars, which have chemical in them which kills the fleas. If flea person it normally leaves little red spot which itches. bites farm cats on harmful plants fly red because beautiful wings small insects produce flowers food Ladybirds (Marienkäfer) spots Flecken, Tupfen protected geschützt farmer Bauer pests Schädlinge The ladybird is , colourful beetle with red and black spots. Ladybirds can. They have two pairs of wings which are protected under the wing covers that we normally see. They like to feed on very flies called greenfly which you can often see on plants, for example roses or tomato. Ladybirds are mostly very useful for gardeners and farmers they help them to keep pests like greenfly away. Bees (Biene) bumblebee Hummel pollinate bestäuben blossom Blüte The bumblebee – the big bee that lives in nests underground or in long grass – and the honeybee are useful. They help to pollinate the and trees by carrying pollen from blossom to blossom on their legs. The honeybees also honey which they eat in winter, but which is also an important and healthy for us.