REPORT OF THE STATE ENTOMOLOGIST I907 357 



Aster 



Dwarf flower heads on A . p a n i c u 1 a t a 



Rhopalomyia asteriflorae C. 31757 



Axillary bud galls on A . 1 a t e r i f 1 o r u s 



Rhopalomyia lateriflori, C. a.i-31 

 Oval twig gall on A. novae-angliae 



Rhopalomyia astericaulis, C. 1107a 



. Audibertia stachyoides 



Gall undescribed Rhopalomyia a u d i b e r t i a e , C. 1029 



Baccharis pilularis 



Flower gall Rhopalomyia c a 1 i f o rn i c a , C. 1003, 983, 984 



Stem gall Rhopalomyia baccharis, C. 982 



Betula (birch) 

 Bred from seeds Oligotrophus betulae Winn. 



Bigelovia 



Hollow, stem gall Rhopalomyia bigeloviae, C. 1070 



Oval seed gall Rhopalomyia bigelovioides, C. 940 



Celtis (hackberry) 

 Leaves M a y e t i o 1 a c e 1 1 i p h y 1 1 i a , C. 913, 918 



Comptonia (sweetfern) 

 Fleshy leaf fold Janeriella a s p 1 e n i f o 1 i a , C. 1 103 



Gutierrezia sarothrae 



Oval swelling in flower heads 



Rhopalomyia gutierrezia e, C. ai742 



Hordeum (barley) 

 Leaf sheaths Mayetiola destructor, C. 771, 772 



Juniperinus calif ornica (juniper) 

 Galled fruit W a 1 s h o m y i a j u n i p e r i n a , C. 1049 



Ribes (currant) 



?*r a y e t i o 1 a c a 1 i f o r n i c a , C. 919 



Salix (willow) 



Apical rosette gall Mayetiola w a 1 s h i i , C. 774 



Apical beak gall ...-». Mayetiola rigidae, C. 3687 



Slender twigs Mayetiola caulicola, C. ai822a 



Subglobose g^lls on slender twigs Mayetiola t u m i d o s a e , C. 1300 



Stems Mayetiola p e r o c c u 1 ta , C. 1251 



Mayetiola americana, C. 920 



