are at the very start of our food chain but their numbers are dwindling fast and that is in danger in the entire terrestrial life cycle and man is the cause as he has been for decades. but for martin dog and his comrades in arms from the entomological association in clapham it's nothing new. as a listener and this is in fact we've recognised and publicized the development of species decline in insects for a long time outside the book on the first english says in the us in the water this you can see it in the red lists. no matter which country you take. you have the strong trends in species decline in certain regions everywhere like. the current felt scientists wanted to find out how dramatic this decline really is