42 biological survey of 



Order NEUBOPTERA 



SlALIDAE 

 Sialis Latreille 



S. infimaia Newn. Duck Brook; Echo Lake; Long Pond, 

 June 13-20. Critical study by Dr. II. II. Boss lias already 



shown sixteen species grouped previously under this name. 



See Illinois Natl. Hist. Survey, Vol. 21, Article 23. 

 vS. vacans Koss. Mt. Desert (Br.). May 2."). 

 S. sp. Eden, .June 26, VXH. Scarce. 



Chauliodes Latreille 



('. fascia rrs Walk. Sieur de Monts Spring, Corfield, June 



21. Scarce. 

 C. rastricornis IJhani. Corfield at light, June 20-Aug. 10. 



Scarce. 

 C. serricornis Say. Bar Harbor ; Jordan Pond ; Echo Lake ; 



Witch Hole (Br.) June 8-July 1. 



\<>l, .- There is always :i huge hutch of these on I>uck Brook. One occurred 

 when I was there with Dr. Alexander and Mr. Harrison on June 23, 1935. I went 

 up the brook tlie afternoon before to see if the hatch was on and there was not a 

 single individual in sight. In 1934 it was on July 1 and on June 16 in 1937. 



('. pectinicornis Linn. Various places in Aug. 



SlsYRIOAE 

 Sisyra Burnieister 



S. vuakia Walk. Stations F337 and P339. 

 S. vicaria var. cjmbbata Needh. S. W. Harbor, Sept. .'* 

 (Alexander). 



Climacia McLachlan 

 ( '. areolaris Ilagen. Robinson Mt., Sept. 2 (Br.). 



SVMCHEROBIIDAE 

 Sv.MPHEROBirs Banks 



S. amiculus Fitch. X. E. Harbor, July 1-Aug. 10 (Minot). 



