110 



THE CANADIAN ENTOMOLOGIST. 



common Toad ( Bufo Americanus), which in several instances was seen 

 stationed half concealed in the mulching at the foot of the tree just under 

 the bait. 



Coleoptera is next to Lepidoptera in abundance at bait, and I there- 

 fore venture to append a list of species seen at sugar. 



Calosoma calidum. 

 Dromius piceus. 

 Calathus gregarius. 

 Platynus molestus. 

 Pterostichus Sayi. 

 Harpalus caliginosus. 

 " pensylvanicus. 

 fallax. 

 Peltis surinamensis. 

 Megalodacne fasciata. 

 Pityophagus 4-guttatus. 

 Adelocera marmorata. 

 Agriotes mancus. 

 Melanotus communis. 



" parumpunctatus. 



Corvmbites sulcicollis. 



Asaphes memnonius. 

 Cyphon pallipes. 

 Photinus ardens. 

 Podabrus diadem a. 

 Elaphidion parallelum. 

 Monohaminus confusor. 

 Saperda tridentata. 

 Merinus lsevis. 

 Centronopus calcaratus. 

 Xylopinus saperdioides. 

 Tenebrio molitor. 



tenebrioides. 

 Hymenorus obscurus. 

 Pyrochroa femoralis. 

 flabellata. 



OBNOXIOUS PESTS- 



-SUGGESTIONS RELATIVE TO THEIR 

 DESTRUCTION. 



BY DR. H. HAGEN, CAMBRIDGE, MASS. 



The question how to check the ravages of obnoxious insects is a very 

 important one, and I am very often asked for advice in special cases. 

 While occupied with a close examination of the proposed remedies and 

 looking through a large number of scientific tracts, some of them fell into 

 my hands and induced me to study them again. The present communi- 

 cation is the result of those studies. 



Somewhat more than twenty years ago the lower forms of some fungi 

 attracted the attention of many students, and especially of Dr. Bail, of 

 Prussia. The reports of his observations are scattered in different peri- 



