Chautauqua Insects and Their Allies 



13. The Beetles 



Another large group, comprising a great variety of " hard-shelled " 

 insects; the wing-covers are much thicker than the delicate plaited hind 

 wings, which are folded under the covers; biting mouthparts; complete 

 metamorphoses. The following are groups, representatives of which 

 may be found in the Chautauqua region; some of them are very com- 

 mon: Tiger Beetles, Ground Beetles, Predaceous Diving Beetles, 

 Whirligig Beetles, Water Scavenger Beetles, Carrion Beetles, Rove 

 Beetles, Lady Bugs, Water Pennies, Click Beetle, Metallic Wood- 

 Borers, Fire Flies, Checkered Beetles, Stag Beetles, Tumble Bugs, 

 Lamellicorn Beetles, May Beetles, Rhinoceros Beetles, Long-Horned 

 Beetles, Sawyer Beetles, Leaf Beetles, Flea Beetles, Weevils, Darkling 

 Beetles, Blister Beetles, Snout Beetles, Bill Beetles, Engraver Beetles. 



14. Ants, Bees and Wasps 



These insects stand at the top of the ladder of insect evolution, and 

 many exhibit a highly-organized social habit. Four wings, hind wings 

 smaller than the fore wings; mouthparts for biting and sucking; 

 metamorphoses complete ; abdomen of female with sting, piercer, or saw. 

 Representative groups are: Saw Flies, Horn-Tails, Gall Flies, 

 Ichneumon Flies, Braconids, Ensign Flies, Chalcis Flies, Pelecinus, 

 Cuckoo Flies, Ants, Spider Wasps, Thread-Waisted Wasps or Mud- 

 Daubers, Bembecids, Pemphredonids, Crabonids, Solitary Wasps, Social 

 Wasps, Short-Tongued Bees, Long-Tongued Bees, Carpenter Bees, 

 Bumble Bees, the Honey Bee. 



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