

'37 



I \ i . MXTAMOl 



Metamorphosis. One of the nnt .striking phenomena of it 

 life is expressed hy the Icnn mct<i ntor />/I(>M'S , wlnYli in QSpicttOtU 



ehan.ue of form after birth. The c.^ of a butterfly produces a / 

 this cats and jjrows and at length become:^ a />H/KI; which, in turn, de 

 vrlop> into an inid^o. 'I'lu-x- StagCfl are BO different hat with- 



out fXjx-rii'iH-e onr could not know that they pertained to the 

 individual. 



Holometabola. Tin* more sprciali/rd insects, namely, ('oleoi)tera 

 (Fig. 206), Strepsiptera. Xcuroptcra. Mi-coptt-ra, Trichoptera, Lepi- 



FIG. 206. Cyllene carya. A, larva; B, pupa; C, imago. X 3. 



I >iptera (Figs. 207, 31), Siphonaptera (Fig. 32) and Hymenop- 

 tera i Fii^. 287), undergo this indirect, or complete, 1 metamorphosis, 



vinjr profound changes of form and distinguished by the internal 

 development of the wings and by a pupal stage that is usually inactive. 

 though active in mosquitoes and some midges, and in certain Neuroptera 



eforc the transformation. These insects are grouped together as 

 Holometabola. 



Ive such popular names as " caterpillar'' (Lepidoptc 

 "grub". (Coleoptera), and "maggot" (Diptera), while the pupa of a 

 moth or butterfly (especially the latter) is called a ''"chrysalis." 



nis, though sonu'what misleading in implication, arc currentlv used. 



