REPORT OF THE STATE ENTOMOLOGIST 1901 Ru5- 
167 Golden oak scale insect, Asterolecanium variol- 
osum Ratz. Principal food plant: oak. 
Treatment: Spray with kerosene emulsion in early summer. 
Chief accessible articles: Lowe, V. H. N. Y. agric. exp. sta. 
Rep’t, ’°95. p. 550-51. 
168 Barnacle scale insect, Ceroplastes cirripedifor- 
mis Comst. A southern species which occurs on orange and 
quince. | 
169 Lecanium armeniacum Craw. A _ species recently intro- 
duced into New York state. 
Principal food plants: grape, currant. / 
Chief accessible notice: Felt, E. P., state ent. 14th rep’t, ’98. 
p. 240. 
170 Cherry lecanium, Lecanium cerasifex Fitch. Oc- 
curs rather commonly on maple, oak, cherry and appletrees. 
Treatment: Spray infested trees in winter or in early spring 
with kerosene emulsion (1-4). 
171 Lecanium fitchii Sign. Infests raspberry and 
blackberry bushes. 
172 Common greenhouse lecanium, Lecanium hesperi- 
dum Linn. A bad pest on many house and greenhouse plants. 
Treatment: Spray or wash plants with kerosene emulsion or 
a soap solution. . 
173 Black scale insect, Lecanium oleae Bern. A seri- 
ous pest on many plants in California. 
174 New York plum scale insect, Lecanium prunastri 
Fonse. Principal food plant: plum. 
Treatment: Spray infested trees with kerosene emulsion. 
(1-4) just after the leaves fall. 
Chief accessible articles: Slingerland, M. V. Cornell agric. exp. 
sta. Bul. 83. ’94. p. 681-99; — Bul. 108. ’96. p. 
82-86; Lowe, V. H. N. Y. agric. exp. sta. Bul. 136. ’97. p. 583-86. 
175 Tuliptree scale insect, Lecanium tulipiferae Cook. 
Principal food plant: tuliptree. 
Treatment: Spray infested trees with kerosene emulsion or 
whale oil soap solution. 
