COLE.OPTERA. 



305 



arrive in the nest or hive, as the case may be, and there they attack 

 the larvcX. When once fixed upon the hymenopterous larvse, they 

 undergo a change of skin, and their shape then becomes totally 







Fig 544.— Female and Larva of Stylops. 



different, and their legs are atrophied. But these parasites being 

 exceedingly small, do not kill the larvae ; they suck their juices, after 

 he manner of the Ichneumons, and do not interfere with the meta- 

 Qorphoses of the insects upon which they are parasitic. On the 

 ight hand, in the accompanying engraving (Fig. 544), there is a larva 



