Ilntupratt^ nf iKainr. 



'Maine ipdtural lipmi Station 



ORONO 

 BULLETIN No. 180. JUNE 1910 



THE FUNGUS GNATS OF NORTH AMERICA. 

 Part II 



-<^x<l>v.'--'-^ *-^ 



CONTENTS. 



PAGE 



Habits and Early Stages 125 



Table of Genera 126 



Monoclona 128 



Eudicrana 129 



Tetragoneura ^3^ 



Sciophila (Lasiosoma) 132 



Paratinia I44 



Polylepta 145 



Empalia I49 



Dziedzickia 15° 



Hadroneura 152 



Diomonus 153 



Neoempheria I57 



Mycomya 165 



Tables of Measurements 189 



Explanation of Plates 191 



