﻿Heteropleni of Cranberry Lake Region 



69 



mostly in the wingless forms and feeds largely upon tlie insects 

 living on herbaceous plants. One alate individual was taken by 

 the writer on some semiaquatic plants in the Plains. 



Nabis limbatus Dahlbom (P'ig. 27, a). 



This insect is especially abundant upon rank vegetation growing 

 in swamps, bogs and semiaquatic places, June, July, August and 

 September at the Plains, Barber Point, Wanakena and Conifer. 



Fii 



a, Xabis limbafus Dahl; h, Nabis refusculus Renter. 



Nabis ferus (Linnaeus). 



Common, but never taken in large numbers like the preceding 

 or two following species. This insect prefers open grassy areas 

 and feeds largely upon grass-destroying insects. Osborn states 

 that it is an important enemy of the Meadow Plant-bug, Mirifi 

 dolobrata, in Maine. Barber Point, Wanakena and Plains, 1919 

 and 1920. 



Nabis roseipennis Renter. 



Very common (long- and short-winged forms) at Barber Point. 

 Plains, Conifer and Wanakena during June, July, August and 

 September, 1917, 1919 and 1920. Roseipennis inhabits the deep 

 woods, lumbered tracts, and " burns " but seems to prefer more 



