246 The Ottawa Naturalist. [Feb, 



Gall green, cylindric, densely pubescent, 6 mm long. Male,, 

 length 2.5 mm, abdomen dark brown, 18-20 antennal 

 segments, stem }. Rhopalomyia anthophila O. S. 



Bred from anundescribed flower gall. Male, length 1.5 mm, 

 abdomen light brown, 17 antennal segments, stem L 

 The female with 15 sessile antennal segments. 



Rhopalomyia cruziana Felt. 

 Bred from apparently unaffected florets. Adult, length 

 4-5 mm, dark brown, the tarsi broadly white banded. 



Asphondylia nwnacha O. S. 



Bred presumably from apparently unaffected florets. Adult, 



length 4 mm, reddish brown, the tarsi fuscous yellowish. , 



Asphondylia johnsoni Felt. 



Leaf galls. 

 Apical bud galls. 



Gall green, composed of loose, convolute developing leaves. 

 Female, length 1 mm, abdomen dark brown, mid and 

 posterior tarsi yellowish, 17 antennal segments. 



Baldratia convohita Felt. 

 Gall a loose pod of adherent leaves. Female, length 1.25 

 mm, abdomen dark red, 15 antennal segments. 



Dasyneura folliculi Felt. 

 Apical rosette galls. 



On Solidago canadensis. 



Female, length 6 mm, abdomen dark brown, 24-25 an- 

 tennal segments. Rhopalomyia Carolina Felt. 

 Male, length 4 mm, abdomen fuscous yellowish, 21 

 antennal segments, stem f . Female 5 mm long. 



R}iopalom,yia albipennis Felt. 

 Male, length 3 mm, abdomen fuscous 3^ellowish, 16 

 antennal segments, stem 1^. 



Oligotrophus inquilinus Felt. 

 On Solidago canadensis and 5. serotina. 



Male, length 2.5 mm, abdomen fuscous yellowish, 20 

 antennal segments, stem 1 J. Female, length 3-4 mm, 

 abdomen fuscous red, 21 antennal segments, sub- 

 sessile. Rhopalomyia capitata Felt. 

 Male, length 1.5 mm, abdomen fuscous yellowish, 20 

 antennal segments, stem IJ. Female, length 2 mm, 

 19 antennal segments, stem f. 



Rhopalomyia inquisitor Felt. 

 On Solidago graminifolia. 



Gall green, closely resembling that of Oedaspis polita. 

 Adult, length 4 mm, dark brown, the tarsi white 

 banded. Asphondylia monacha O. S. 



