KEY TO AMERICAN INSECT GALLS 



Oval leaf swellings. Felt '14!, p. 93 



127 



Itonid. A p 1 o n 3' X s a r c o b a t i Felt 



A triplex 

 Irregular, subglobular bud galls with sparse, long hairs, diameter 8 to 9 mm. 

 Fig. 124. Cockerell '96, p. 402. Felt 'i6d, p. 139 



Itonid. Atriplcx bud midge, A s p h o n d y 1 i a n e o m e x i c a n a 



Ckll. 

 Fleshy, polythalamous, tumorlike twig gall, length 12 mm, diameter 4.5 to 6 

 mm. Fig. 125. Amer. Nat. 29:766. Felt 'i6d, p. 138 



Itonid. Atriplex tumor gall, A s p h o n d y 1 i a a t r i p 1 i c i s Ckll. 

 Irregular twig gall, length 1.5 mm, diameter 5 mm. Fig. 126. Cockerell '98, 



P- 327 



Itonid. L a s i o p c e r a w i 1 1 i s t o n i Ckll_ 



f*f-j •• 



I "VS 



O- 



.^^""^ 



„ 3 i 



Fig. 124 Atr- 

 plex bud mii<e. 

 Asphondylia 

 neome.xicana 

 Ckll. (Author's 



illustration) 



Fig. 125. Atriplex tumor gall, As- 

 phondylia atrip licis Ckll. 

 (Original) 



Circular, pustulate leaf gall, diameter 2.5 mm. Cockerell '98, p. 326 



Itonid. Atriplex leaf blister, Cecidomyia atrip licicola 



Ckll. 

 Woolly masses i to 2 cm long on the stems, evidently appressed, aborted leaves, 

 on A. ?polycarpa 



Itonid. Asphondylia ? a t r i p 1 i c i s Ckll. a2893 

 Globose, sessile, whitish, short-haired galls, diameter 4 mm, on A. c o n- 



fertifolia 



Itonid . Asphondylia atriplicis Ckll. 

 Subglobose or lenticular, apposed leaf galls, diameter 3 to 4 mm, length 6 or 7 

 mm. Cockerell and Rohwer, '08, p. 169. Fig. 127 



Hemip. Atriplicia ?gallicola Ckll. a247 8 



