INSECTS AFFECTING PARK AND WOODLAND TREES 



203 



determined through the courtesy of 1 )r Howard, hy I )r W. H. Ashmead, 



as follows : A p h yens a n n u 1 i p e s Ashm., P a c h )• n e u r o n a 1 t i s c u t a 



How., C o c c o ]) h a o- us 1 e c a n i i 



Fitch and !> 1 a s t o t h r i x s e r i c e a 



Dalm. The first named, represented 



at figure 33 is a very strong-ly marked 



though minute insect with remark- 

 able antennae shown in side \'iew at 



figure 34. It will be noticed that the 



second segment is enormousl\- dilated 



and that it and the terminal one are 



jet black. All of these species were y'sa Apiiyc? ..unuiipes, eniarse.i (..rii-iiKin 



reared in some numl)ers and are ]jresumably of nearly 

 equal \alue as natural checks upon this pest. 



Remedial measures. This species can probably 

 be controlletl most easily In" thorough spraying in 



Fig. 34 Lateral view of ti.c . -,11- midsummcr with either a whale oil soa[) solution or 

 1 i p e s. much" eriarge'd keroseue emulsion, care being taken to api)ly the 

 '^""8"i^i> insecticide in sucli a wav as to drench all of the 



delicate young. 



Bibliography 



1894 Murtfeldt, Mary E. U. S. Dcp't Agric . Div, Km. liul. 7,2, p. 42-43 

 1898 Pergande, Theo. U. S. Deji'i Agric. Div. Em. Bui. 18, n. s. p. 2C-29 



Elm bark louse 

 Gossv/'ar/a spiD'ia Modeer 

 Unclersiik- of l-Iiii linilis may be thickly crowik-d in summer, witli reddish, woolly 

 bordered bark lice, about ' ',„ inch long, and the stones benealli infested trees are 

 fre()uemly moistened with tile e.xcreted honeydew. 



The elms of New York State are unfortunate in suffering from the 

 attacks of two imported insects. The elm bark louse has proved itself a 

 worthy second of its predecessor, the elm leaf beetle, and though it may not 

 of itself be quiteso injurious as this pernicious leaf feeder, still its constant 



