INSECTS AFFECTING PARK AND WOODLAND TREES 



755 



LARCH OK TAMARACK 



Leaf feeders 



Hemichroa laricis tylarlt., green striped larva. Dyar. N. Y. Ent. Soc. Jour. 5:28 

 Samia Columbia Smith, light green tuberculate larva, 3 in. Pack. p. 891 



Sucking insects and mite 



Chermaphis laricifoliae Fitch., solitary, black and green aphid, 1/10 in. Pack. p. 903 

 Lachnus laricifex Fitch, solitary, brown, white marked aphid, )s in. Pack. p. 902 

 Tetranychus telarius Linn., brown foliage bearing minute, globular mites. Pack. 



P- 903 



CYPRESS 



Gall 



Cecidomyia ananassi Riley, brown, pineapplelike gall, y 2 in. Am. Ent. 2:244 



ARBOR VITAE OR WHITE CEDAR 



Leaf feeders 



Recurvaria thujaella Kearf., slender, dull red, purplish larva, ^ in. N. Y. Ent. Soc. 

 Jour. 11:154 



Bucculatrix thuiella Pack., brown headed, yellowish larva or white ribbed cocoon. 

 Pack. p. 917 



Scale insects and mite 



Eulecanium pallidior Ckll. & Kg., brownish, hemispheric scale. Psyche, 8 : 349 

 Eulecanium fletcheri Ckll. Can. Ent. 25:221 

 Eriophyes thujae Garm. Pack. p. 920 



JUNIPER OR RED CEDAR 



Borers 



Oeme rigida Say. Ins. N. J. p. 287 



Leptura abdominalis Hald. N. Y. Ent. Soc. Jour. 4 : 78 



Listronotus latiusculus Boh. W. Va. Agric. Exp. Sta. Bui. 32 : 205 



Leaf feeders 



Syssaura infensata Guen. var. biclaria Walk., brown, rough spanworm, 1 V. in. 

 Pack. p. 907 



Phalonia rutilana Hubn., webs containing yellowish larvae, in. Pack. p. 910 

 Recurvaria juniperella Kearf., slender,. dull green, pink tinged larva, ^ in. N. V. 

 Ent. Soc. Jour. 11 : 157 



Sucking insect 

 Psallus juniperi Heid. N. Y. Ent. Soc. Jour. 13:49 



