CLASS-BOOK OF ZOOLOGY. 13*7 



553. On what does the May-chafer feed, and what injury does 

 it do ? 



554. When, and how, are the May-chafers still more injurious? 



555. What is its size and color, and how can its abode be ascer- 

 tained ? 



556. What is the size, color, abode, and food of the Stag-beetle, and 

 why is it so named? 



557. What is the size and color of its larva, and what use did the an- 

 cient Romans make of it ? 



558. What is the external character of the Weevil ? 



559. In what respect are the Weevils very noxious? 



560. How can the great multiplication of Weevils be prevented? 



561. \\ hat is the external character, abode, and food of the Capricorn- 

 beetle ? 



56-2. What is the color, size, and form of the Lady-bird? 

 563. Why may the Lady-bud be considered useful? 



SECTION XXXIV. 



2d Order — Bugs: (Hemiptera.) 



\ 564. Bugs are those insects which have parchment- 

 like wings, and the larva of which resembles the perfect 

 insect, except in wanting wings ; as Cockroaches, Crick- 

 ets, Gra.-shoppers, Locusts, etc. 



§ 565. The greater part of the Insects of the second 

 Order produce sounds, which they effect by rubbing the 

 hind-legs against the wings, as the Grasshopper ; or by 

 rubbing one wing against the other, as the Field and 

 House crickets ; or by a drum-like organ, situated low in 

 the inside of the body, as the Locust. 



§ 566. The Cockroach (Blatta) is nearly an inch long, 

 and chestnut-colored. It is now found in almost every 

 part of the world, and dwells principally in mills, bakeries, 

 and kitchens, where it is sometimes seen in immense 

 numbers. 



§ 567. The Cockroach attacks food of all kinds, but 

 chiefly bread, and is for that, reason very dangerous in 

 vessels at sea. It has sometimes produced extreme dis- 

 tress in long sea-voyages. 



§ 568. Cockroaches are of no use to man, but very 

 troublesome and injurious, and every effort is made to ex- 

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