J CHEMICAL APPLICATION POINTS 



• COLLECTION STATIONS 



GREEN BAY 



Figure 2.— Location of Lake Michigan study streams, chemical application points, and collection sites. 



Hemiptera 

 Hebridae 

 Gerridae 

 Corixidae 



Megaloptera 

 Sialidae 

 Sialis 

 Corydalidae 



Chauliodes 

 Neuroptera 

 Sisyridae 

 Trichoptera 



Rhyacophilidae 

 Philopotamidae 



Chirmarra 

 Psychomyiidae 



Psychomyia 

 Hydrops ychidae 



Hydropsyche 



Cheumatopsyche 



Diplectrona 

 Hydroptilidae 



Orthotrichia 

 Phryganeidae 



