INSECTS AFFECTING PARK AXU WOODLAND TREES 229 



Juniper scale 



Ih'aspis I'll null Fartj. 



A circular, snowv white scale, about Vjj inch iu dianiclcr, with ncarlv central yel- 

 JDwish exuviae, may be found on juni|)er. 



This species was hrouo-ht to the writer's attention in September i (S98, 

 when it occurred on Irish jiniiper at Ossining N. \'. The specimens accom- 

 panyint^ the inquiry showed that the insect was ([uite ahundant. Ihis 

 species has been recorded by Professor Comstock as \er\' common at 

 \Vashino;ton D. C, where he found it infestint^r several species of juniper 

 and arbor \'itae. 



Description. The female scale is circular, whitish, about ' 25 inch in 

 lencjth, and with a central or nearly central )-ellowish exuviae. The male 

 scale is white, slender, and about ' 25 inch in length. It lias a prominent 

 median ridge and at the smaller or anterior end there is the oval yellowish 



e.xuviae. 



Bibliography 



iScSi Comstock, J. A. U. .S. llep't A;j,ric. Rep't. i S80. j). jio-ir 



Pine leaf scale 



Chionaspis pinifoliac Fitch 



An elongated, whitish scale on the needles of various ])ines. 



This pest is somew'hat abundant on the needles of hard and Austrian 

 pines in New York State, and has come to the writer's notice repeatedly in 

 recent years. 



Early history. This insect was brought to the attention of Dr Fitch in 

 1855, and his secoml rejjort contains an extended acccjunt of the species. 

 He states that this scale is more apt to occur on transplanted pines and this 

 agrees with our exjierience. Its abundance on Austrian pines in Washing- 

 ton park, All)anv, was lirought to the attention of tlie late Dr Lintner in 

 1889. He states that millions of the peculiar white scales of this ilestruc- 

 tive species had attached themselves to the leaves, almost as thickly as they 

 could rest, nearlv whitening the trees, and almost obscuring its natiu'al 



