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. Marvels of insect life [microform] : a popular account of structure and habit. Insects; Insectes. Marvek of Insect Life. GrVH UK I Few jj>i>(ins who^ii tbcir »â «â biishri ' thr^arlv-aniitoilii 1 thr hi- .AUV Hl»l> .â .inv iJi'S 'liJt '' I* iâihn tlieir mission in lifi'. , ^' ' I, i. a .insular thing, but these Insects appear to liave no (enemies at all. The conspicuous colour spots on the grub and chrysalis, and the strongly con- trasted colours of the beetle, warn Insect-eating birds fthat thev are not palatable ; but many Insects so pro- tected fall victims to other Insect
. Marvels of insect life [microform] : a popular account of structure and habit. Insects; Insectes. Marvek of Insect Life. GrVH UK I Few jj>i>(ins who^ii tbcir »â «â biishri ' thr^arlv-aniitoilii 1 thr hi- .AUV Hl»l> .â .inv iJi'S 'liJt '' I* iâihn tlieir mission in lifi'. , ^' ' I, i. a .insular thing, but these Insects appear to liave no (enemies at all. The conspicuous colour spots on the grub and chrysalis, and the strongly con- trasted colours of the beetle, warn Insect-eating birds fthat thev are not palatable ; but many Insects so pro- tected fall victims to other Insects that deposit their eggs in them. The lady-birds appear to be immum- from the attacks even of ichneumon-wasps. It may be that these are kept off by an unpleasant odour emana- ting from the blood of the Insect. If a lady-bird be touched it will be seen to exude from certain joints ol Its legs a \ Huid-i-eallv blood -which has a strong, unpleasant smell. Something like two thousand species of the lady- bird family are known from various [larts of the world. " â â â ' â and of this number more than fort\- are British. A tew of them are wgetarians. liven amcmg our native species great variety m the matter of spots will be found. In some yellow takes the place of in their hver\-, and instead of di'tmite spots we ma\- have an elaborate hdnrinthine pattern. The commonest species in .uir are the two-spotted' and the seven-spotted ladv-birds 2 In seasons when green-fly are abnormallv .,hundanl, tlu grubs appear to get through their feeding more quickly, and soon the ixTfect beetles are in rvidc^nce e\.rvwherc. It is more than probable that on such occasions vast swarms migrate from the Ion- for oviT and over again tlie\- have bi-en founcl up b\- the sea in millions along our southern and . shores. These, of course, were only the few weak or unfortunate members of the host that chanced to fly too near the surface, and were cau
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1915