470 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 4 



Sambucus (elder) 



Bud gall, diameter, 1.5 cm Asphondylia sambnci Felt. 



Swollen, unopened florets Youngomyia umbellicola O. S. 



Rolled leaves Arthrocnodax sambucifolia Felt. 



Irregular, subcortical gall, length, 2 to 4 cm Neolasioptera sambuci Felt. 



SciRPUS (bulrush) 

 Gall undescribed Ceddomyia sp. 



SCROPHULAUIA (figWOrt) 



Reared from distorted flower bud Lestodiplosis scrophularice Felt. 



Secale (rye) 

 Reared from heads ~. . .Itonida tritici Kirby. 



Senecio (ragweed) 



Stem gall undescribed Lasioptera arizonensis n. sp. 



Flower heads Ceddomyia sp. 



Scutellaria (skullcap) 

 Oval, greenish stem gall, length, 8 mm Ceddomyia sp. 



Setaria glauca (fox tail) 

 Reared from seeds Contarinia sorghicola Coq. 



Sicca (Otaheiti gooseberry) 

 Unripe fruit Asphondylia siccm Felt. 



Sisymbrium (hedge mustard) 

 Irregular bud gall, diameter, 8 mm Dasyneura ? sisymbrii Schr. 



Smilax herbacea (carrion flower) 

 Blister gall, diameter, 4 mm Ceddomyia sp. 



Smilax rotundifolia (green brier) 



Reared from oval, blister-hke leaf spots Camptoneuromyia rubifolia Felt. 



Young leaves rolled longitudixially Dasyneura smiladfolia n. sp. 



Smilicina (false spikenard) 



Deformed berries Asphondylia smilicincB Felt. 



Root gall Dasyneura sp. 



SoLANUM carolinense (horse nettle) 

 Irregular, spiny stem gall, length, 3.75 to 5 cm Neolasioptera solani Felt. 



SoLiDAGO (goldenrod) 



Flower Galls 

 Greenish or reddish, subglobular, bud-like gall, diameter, 2 mm.; on S. canadensis. 



Rhopalomyia racemicola O. S. 

 Green, densely pubescent, cylindric gall, length, 6 mm.; on S. canadensis. 



Rhopalomyia anthophila O. S. 

 Reared from undescribed flower gall Rhopalomyia cruziana Felt. 



