28 NATURAL HISTORY OF AQUATIC INSECTS 



The Groups to which Aquatic Insects 



Belong. 



The aquatic Insects are here described in the 

 following order : — 



1. Coleoptera (Beetles). 



2. Diptera (Two-winged Flies). 



3. Hymenoptera (Ichneumons, &c.). 



4. Lepidoptera (Moths). 



5. Trichoptera (Caddis-flies). 



6. Sialidse (Alder-flies). 



7. Perlidae (Stone-flies). 



8. Ephemerida; (May-flies). 



9. Odonata (Dragon-flies). 



10. Rhynchota (Water-scorpions, &c.). 



11. Thysanura (Spring-tails). 



The names employed by anglers should be noted, 

 as much information respecting the habits of aquatic 

 Insects can be extracted from anglers by those who 

 speak their language. Ronalds' F/y -fishers' Entomo- 

 logy and other books give the zoological names of 

 every species imitated by the angler. In the following 

 short list each is merely referred to its proper 

 order. 



2. Diptera. — Golden Dun Midge. 



5. Trichoptera. — Blue Dun, Little Red Spinner, 

 Sand Fly, Grannom, Turkey Brown, Dark Spinner, 

 Silver Horns, Cinnamon Fly. 



6. Sialidae. — Alder or Orl Fly. 



7. Perlidae.— Red Fly (Old Joan), Stone Fly, 

 Willow Fly (Shamrock Fly). 



