DIPTERA 01^ MINNESOTA. 



97 



Individuals of this family are extremely abundant in this state, and 

 offer an interesting group for study. Our species range in size from 



Fig. 90. Doiicliopus fiagellitenens. Original. 



one-fifth to three-quarters of an inch in length. They are predaceous, 

 usually found more abundantly in damp places where rank growth 

 occurs, although many species are found in dry places, in flower 

 gardens and elsewhere. The larvae live in putrifying vegetable matter 

 or in earth ; some are found in sap under the bark of trees. Some of 

 the larvae may be carnivorous. 



The following species have been taken in Minnesota : Dolichopus 

 ovatus, Loew ; D. Uagelliienens, Wheeler ; Psilopodinus patihulatus, 

 Say, Fig. 19, Colored Plate I ; P. scohinator, Loew. ; Dolichopus splen- 

 didus, Loew. ; D. ciiprinus, Wied. ; D. lohatus, Loew. ; D. bifractus, 

 Loew ; D. ramifer, Loew ; Psilopodinus caudatus, Wied. ; P. sipho. 

 Say; Agonosoma -filipes, Loew; A. scintillans, Loew; Dolichopus 

 latipes, Loew, So. Dak. ; D. dakotensis, Aid. ; D. longimanus, Loew ; 



