4 INSECT-GALLS OF THE VICINITY OF NEW YORK CITY 



Besides these groups, which are the principal Gall-producers, 

 some few species of other orders (Coleoptera and Lepidoptera) 

 also produce Gall-like excrescences. 



In the following list, the Galls which have been found in the 

 vicinity of New York City are arranged according to the plants 

 upon which they occur. The serial numbers refer to the descrip- 

 tions on the succeeding pages. 



Species No. 

 Wild Rose (Rosa sp.). 



Rhodites bicolor i . 



radicum 2. 



globulus 3. 



dichlocerus 4. 



verna 5. 



ros(E 6. 



ignota 7. 



leniicularis 8. 



Trailing Blackberry {Ruhus cana- 

 densis). 

 Diasirophus bassettii 9. 



Blackberry [Rnbus I'illosus). 

 Diasirophus cuscutceformis . . 10. 

 nebulosiis 11. 



Black Raspberry (Rubi:s occidentalis). 

 Diasirophus radicum 12. 



Cinquefoil {Potcntilla canadensis). 

 Diasirophus poicniilUr 13. 



Scarlet Oak {Qucrcus coccinea). 



Am pliiboli ps conflucntus 14. 



inanis 15 



A ndricus punctatus 20. 



Cecidomyia pilidce 66. 



Red Oak (Qucrcus rubra). 



Amphibolips confluentus. . . . 14 



" inanis 15 



" ccelebs 17 



" prnniis 18 



Andricus singularis 27 



Cecidomyia pnlulcc 66 



" niveipila 68 



Species No. 

 Black Oak (Qucrcits veluiina). 



Amphibolips conflucnius 14. 



Andricus piger 31. 



Cecidomyia pilulcc 66. 



Scrub Oak (Qucrcus nana). 



Amphibolips ilicifolicc 16. 



Andricus punciaius 20. 



similis 24. 



Cecidomyia pilulcr 66. 



Rock Chestnut Oak (Qucrcus 

 prinus). 



Andricus papillatus 23. 



peliolicola 28. 



White Oak (Qucrcus alba). 



Andricus scminator 21 



" juiilis 22 



" clavula 25 



" peiiolicola 28 



" lana 29 



Cynips pisum 34 



Acraspis erinacei 35 



Biorhiza forticornis 36 



Holcaspis globulus 37 



Neuroterus baiatus 41 



Cecidomyia pocitlum 67 



Pin or Swamp Oak (Qucrcus 

 palustris). 



Andricus cornigcrus iq. 



" palusiris 26. 



Cecidomyia pilulcp 66. 



Black Jack Oak (Quercus 

 inarylandica). 



Andricus punciaius 20. 



Cecidomyia pilulas 66. 



