INSECTS AFFECTING PARK AND WOODLAND TREES J l\ 



Neuroterus consimilis Bass., woody, polythalamous, % in. Am. Ent. Soc. Trans. 

 26:335 



Pnilonix fulvicollis Fitch. Nox. Ins. N. Y. 5:3 



Philonix gillettei Bas^sl, oval, tufted, pimply, .15 in. Am. Ent. Soc. Trans. 26:323 

 Philonix nigricollis Fitch. Nox. Ins. N. Y. 5 : 3 



Biorhiza rubinus Gill., subglobular rosy ; underside, yi in. Psyche, 5 : 2 1 5 

 Acraspis niger Gill., small, brown, globular, pubescent ; underside of leaf. Gill. 

 Ent. Am. 6 : 23 



Phylloxera querceti Perg., many small, yellow spots along veins ; other oaks. 



Davenport Acad. Sci. Proc. 9: 263 

 Phylloxera rileyi Riley, yellowish, circular spots on post oak. Perg. Davenport 



Acad. Sci. Proc. 9: 261 



SWAMP OAK 



Twig galls 



Holcaspis bassetti Gill., irregular, massed. Psyche, 5:215 



Neuroterus distortus Bass., leafy polythalamous gall, y 2 in. Am. Ent. Soc. Trans. 

 26:336 



Neuroterus noxiosus Bass., large terminal or subterminal swellings. Can. Ent. 

 13 : 108 



Bud galls 



Andricus ashmeadii Bass. Am. Ent. Soc. Trans. 26 : 320 

 Andricus incertus Bass. Am. Ent. Soc. Trans. 26: 317 



Amphibolips melanocera Ashm., globular bud axil gall. Am. Ent. Soc. Trans. 

 1 2 : 299 



Leaf galls 



Andricus capsulus Bass., pedicellate, marginal, }i in. Can. Ent. 13: 101 

 Andricus ignotus Bass., oval, sessile galls on midrib and veins. Can. Ent. 13: 106 

 Cynips floccosa Bass., many, small, hairy; under surface. Can. Ent. 13: 111 

 Cynips nigricens Gill., clustered, cone-shaped ; under surface. Psyche, 5 :2i7 



POST OAK 



Twig gall 



Dryophanta longicornis Bass., apical enlargement. Am. Ent. Soc. Trans. 26:327 



Leaf galls 



Andricus pattoni Bass., clustered woolly galls along mid vein. Can. Ent. 1 3 : 98 

 Andricus pruinosus Bass., round, thin, V 9 to 76 in. Am. Ent. Soc. Trans. 26: 311 

 Andricus quinqueseptum Ashm., globular petiole galls. Am. Ent. Soc. Trans. 

 12 : 299 



Andricus tubicola O. S., yellow tubular, red spined, l } in. Ent. Soc. Phila. Proc. 

 I : 60 



Holcaspis centricola O. S., globular, silky white, % in. Ent. Soc. Phila. Proc. 1 : 58 

 Neuroterus irregularis O. S., flattened, yellow galls, y$ in. Ent. Soc. Phila. Proc. 

 1:65 



Neuroterus verrucarum O. S., round, pubescent, r i in. Ent. Soc. Phila. Proc. 1 :62 



