INSECTS AFFECTING PARK AND WOODLAND TREES 



709 



Sucking insects 

 Thelia univittata llarr., brown, w hito-lineil tree hopper, ■*'„> in., on twip-s Pack 

 p. >)S 



Apliuis or plant lice 

 Lachnus quercifoliae Fitch. Tack. 



Schizoneura querci Fitch, bhick aphids, 'k in. Pack. p. 212 

 Chaitophorus spinosus Oestl., oran^^c or yelk)w apliid, ' ,,, in. Pack. p. 213 

 Calhpterus bellus Walsh. Ins. N. J. p. 104 



Callipterus discolor Mon., dark rose colored aphid. Pack. p. 210 

 Callipterus hyalinus Mon. Ins. N. J. p. 104 

 Callipterus punctatus Mon. Pack. p. 210 



Callipterus quercifolii Thom., brownish aphid with annulate antennae. Pack. p. 211 

 Aphis quercifoliae Walsh., pale greenish aphid. Pack. p. 209. 



Scale insects 

 Eulecanium antennatum Sign. Fern. Coccidae, p. 181 

 Eulecanium lymani King, F'ern. Coccidae, p. 190 



Eulecanium quercitronis F"itch, ^io in- ; black oak. Pack. p. 98. Ironwood 

 Eulecanium quercifex F'itch, -^'^o in. Pack. p. 98 

 Kermes andrei King, brown, hemispheric; white oak. Psyche, 9 : 22 

 Kermes perryi King, scrub oak. Psyche, 9:81 

 Kermes pettiti Ehrh., brown, hemispheric. King. Psyche, 9:81 

 Kermes kingii Ckll., red oak. Fern. Coccidae, p. 63 



Kermes nivalis King & Ckll., brown, hemispheric ; white oak. King. Psyche, 9:80 

 Kermes pubescens Bogue. Fern. Coccidae, p. 64 

 Kermes quercus Linn. Fern. Coccidae, p. 64 

 Eriococcus quercus Comst. Fern. Coccidae, p. 78 

 Sphaerococcus sylvestris Ckll., white oak. Can. Ent. 30:326 

 Chrysomphalus obscurus Comst., hickory. Fern. Coccidae, p. 291 



Acorn feeders 



Holcocera glandulella Riley, yellow or grayish white larva. Chittenden. U. S. Div. 



Ent. Bui. 44 : 38 

 Melissopus latiferreanus Wlsm. Am. Ent. Soc. Trans. 10: 54 



OAK GALXS 



Acorn galls 



Andricus operator O. S. form operatola Riley & Bass., five or si.x galls in aborted 



acorns. Am. Ent. Soc. Trans. 26:315 

 Andricus perditor Bass., galled acorns exude a liquid. Am. Ent. Soc. Trans. 26: 313 



Twig gslls and others 



Andricus seminosus Bass., subconic, apical. '2 to i in. Am. Ent. Soc. Trans. 17:76 



Andricus gibbosus Prov. Nat. Can. 12:232 



Andricus obtusilobae Bass. Am. Ent. Soc. Trans. 26:316 



