INSECTS AKFliCTINt; TAKK A.\I) WOODLAND TKEES 



697 



Species have been sent to us by a correspondent, wlio took tliein from 

 about the roots of wlicat phmts. 



Coenus delius Say 



A yellowish brown, black-dotted, somewhat oval plant 

 bug fa inch long. 



This j-ellowish brown, black-dotted, somewhat 

 oval plant bug-, measuring about 3 ,s inch in 

 length, was taken at Karner on hard pine in £ 

 1901. The species has a wide range, it having 

 been listed froni Colorado, New Jersey, Iowa, 

 and Professor Uhler records it from as far south 

 as Texas and as occurring in Massachusetts, New 

 York and other states. 



Lace-winged fly 



Hcnicrobius stigDiatcrus Fitch 



Delicate greenish or brownisli lace-winged flies with golden eyes, occur on many 

 plants, their flattened long-jawed ferocious larvae devouring jilant lice. 



These flies are rather well known both as adults and larvae. The 

 above named species was found in small numbers on hard pine at Karner. 

 It appears to be a common species according to Dr Fitch, in the Northern 

 and Western States. The general appearance of a lace-winged fly is shown 

 at plate 20, figure 18. The peculiar spheric cocoon is illustrated at 18a of 

 the same plate and the singular stalked eggs at i8b. The young aphis 

 lions are very bloodthirsty, even attacking smaller larvae of their own 

 species as well as destroying many aphids. 



Micromus montanus Hag. 

 This grayish brown, lace-winged fl)' ^ inch long with a wing spread of 

 y^ inch occurs in September on hard pine. The veins are prettily marked 

 with irregular alternating light and brown spaces. This beneficial species 

 has been recorded from Massachusetts and the White mountains. 



