I20 



NEW YORK STATE MUSEUM 



C. defecta Kieflf. '09 Lab. Zool. Portici Bui., 4: ii6 



Chilaspis ferrugineus Gill. '90 111. State Lab. of Nat. Hist. Bui., 



3 : 200 

 Cynips flavicollis Ashm. '96 U. S. Nat. Mus. Proc, 19:123 



C. gibbosa Prov., '81 Nat. Canad., 12:232 



Diastrophus pice us Prpv. '86 Add. Faune Canad., Hym., p. 161 

 Disholcaspis heynei Kieff. '09 Lab. Zool. Portici Bui., 4:113 

 Dryophanta corrugis Bass. Beutm. '11 Amer. Mus. of Nat. Hist. 



Bui., 30:353 



D. parvula Bass. '00 Am. Ent. Soc. Trans., 26:326 

 D. pule he 11a Beutm. '14 Ent. News, 22:357 



Holocynips emarginata Kieff. '09 Lab. Zool. Portici Bui., 4:114 

 Neuroterus dubius Bass. '00 Am. Ent. Soc. Trans., 26:335 

 N. crassitelus Prov. Nat. Can., 12:233 



Fig. 1 14. Cockscomb elm gall, Colopha ul mi- 

 cola Fitch, showing upper and lower surface of leaf. 

 (Original) 



Phamacis americana Baker. '96 Can. Ent., 28:131 

 Trissandricus maculipennis KiefE. '09 Lab. Zool. Portici Bui., 



4:115 



Urticaceae (nettle family) 



Ulmns (elm) 



Reared from larvae under decaying bark. Felt '13m, p. 224 



Itonid. Oligarces ulmi Felt 

 Knotty growths on the trunk and branches, usually covered with woolly plant- 

 lice, on U. americana. Fig. 112. Felt '06b, p. 192 



Aphid. Woolly elm louse, Schizoneura rileyi Thos. 

 Aborted or blasted buds. Fig. 113, pi. 10, fig. 3. Felt 'i5e, p. 171 



Itonid. Dasyneura ulmea Felt 

 Blasted leaf buds or adherent, immature leaf clusters. PI. 11, fig. 6. Felt 

 'l2f, p. 240 



Itonid. Phytophaga ulmi Beutm. 



