94 



MAINE AGRICULTURAL EXPERIMENT STATION. 



1915- 



Another very common species on willow and with a range covering 

 all of the state and to be found on almost every willow tree or bush that 

 may be examined. Collections have been made at Orono July 30th, 

 some larvae but mostly adults, Aug. 5th, Mt. Katahdin Aug. 22nd, 

 Houlton Aug. 24th, Alars Hill Aug. 25th, Fort Fairfield Aug. 26th, Fort 

 Kent Aug. 28th. 



Economically this species stands in about the same position as pallidus 

 but it is perhaps not quite as abundant and has been taken only from 

 willows. 



\ a.\\e<-nat«J 



Fig. 12. Idioccrus alternatus Fh. : a, adult; b, female, c, male geni- 

 talia; d, elytron; e, nymph; /, eggs; g egg enlarged. (After Osborn 

 and Ball.) 



Idiocenis suturalis Fitch. 



Idioceriis suturalis Fitch, Homop. X. Y. State Cab. 59 (1851). 

 Idiocenis suturalis Osborn and Ball. Pr. Dav. Acad. Sci. VII, 134. 



Light yellow with a conspicuous dark stripe along the line of the 

 united elytra, -without interruption. Length 6 mm. 



Another common species on the willow but usually less abundant than 

 pallidus. It has been reported also for birch but collections in Maine 

 have been limited to willow and poplar. Taken at Orono Aug. 17, '05, 

 Highmoor Farm Xug. 15th, Houlton Aug. 24th, Ft. Fairfield Aug. 26th, 

 Ft. Kent Aug. 28th. It is hardly plentiful enough to be counted of much 

 economic importance. 



