4^0 



THE INSECT WORLD, 



The elytra of the male arc 



The front leg of the male 



brown ; the pupa of a dirty 



greenish brown, yellowish on the sides, 

 smooth ; those of the female are fluted, 

 is provided with suckers. The larva is 

 white. 



The Dyticus inarginalis sometimes attacks Hydrophilus piceus. 

 It pierces it between the head and the thorax, that is, in the weak 

 point of the cuirass, and devours it, in spite of its being the stronger. 

 The largest of the Dytici, the Dyticus latissimiis (Fig. 476), is 

 almost confined to the north of Europe. The Cybisters abound 

 especially in warm countries. The Cybister Raselii (Fig. 477), a 

 European species, has the reputation of having been taken in 

 England. This group contains also a great number of insects 

 more or less resembling the preceding in their conformation and 

 habits. We will confine ourselves to figures (Figs. 478-493). 



or 



Fig. 478.— Acilius sulcatus (male). Fig. 479.— Acilius sulcatus (female). 



Fig. 480. 

 Acilius fasciatus (male). 



Fig. 481. 

 Acilius fasciatus (female). 



Fig. 482. 

 Noterus crassicornis. 



