1904 



ENTOMOLOGICAL SOCIETY. 



101 



Grubs are the larvae of beetles (Fig. 25), and have commonly only three 

 pairs of legs. Maggots are the larvae of flies (Fig. 26), bees and waspa, and 

 are footless. 





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Fig. 24. Incomplete metamorphosis of a Cockroach ; a, b, 

 c, d, young larvse ; e, f, h, winged adults ; g eggmass, 

 magnified. 



The grasshoppers, crickets, and bugs (Fig 27), undergo incomplete meta- 

 morphosis, so that the young resembles the adult, and becomes more tike the 

 adult with each succeeding moult. 



\. /r 



Fig. 25. Grub of 

 beetle. 



/^A 



Fig. 26. Maggot of 

 Wheat midge. 



Fig. 27. Development of a Squash-bug from a young 

 individual to an adult. 



