248 The Ottawa Naturalist. [Feb. 



narrowly annulate, 22 antennal segments. 



Baldratia rosea Felt. 

 Gall oval, yellowish. Male, length 1.25 mm, abdomen 

 light fuscous yellowish, 13 antennal segments. 



Baldratia socialis Felt. 

 Female, length 1.5 mm, abdominal segments white 

 margined, 16 antennal segments. 



Baldratia fuscoanulata Felt. 

 Male, length 1.25 mm, abdomen reddish brown, 14-15 

 antennal segments. Baldratia rubra Felt. 



Gall lunate, yellowish. Female, length 2.5 mm, abdo- 

 men dark brown, 21 antennal segments. 



Baldratia flavolMiiata Felt. 



Probably from blister gall. Female, length 1.25 mm, 



abdomen deep carmine, 12 sessile antennal segments. 



Dasynetira carhonaria Felt. 

 Elongate, brown leaf spot, possibly reared therefrom. 

 Male, length 1 mm, pale yellowish, slender. 



Lestodiplosis solidaginis Felt. 

 Male, length 1 mm, bright yellowish, slender. 



Lestodiplosis triangularis Felt. 



Stem galls. 

 On Solidago graminifolia. 



Gall and adult described above. 



Rhopalomyia fusiformis Felt. 

 Gall and adult described above. 



Rhopalomyia pedicellata Felt. 

 Gall green, subglobular, near tip, 1.5 cm in diameter. Female, 

 length 3 mm, abdomen dark brown, 19 antennal seg- 

 ments. Rhopalom,yia lobata Felt. 



On Solidago, various species. 



Gall a long, uniform swelling of the stem, near the tip of the 

 stem. Male, lehgth 2 mm, abdomen white spotted, 

 15-17 antennal segments. Female, 21-22 antennal seg- 

 ments. Lasioptera cylindrigallae Felt. 



Gall irregular, eccentric, usually near the base of stem. 

 Adult similar to above. 



Lasioptera tumifica Beutm. 



Gall large, suboval, near the ground. Male, length 1.5 mm,' 

 abdomen reddish, 23 antennal segments, stem |. Female, 

 length 4 mm. Rhopalomyia hirtipes O. S. 



Galls bulb-like, at base of stem. Male, length 2.5 mm, 

 fuscous yellowish, 18 antennal segments, stem f. 

 Female, length 3 mm, abdomen pale yellowish. 



Rhopalomyia bulbula Felt. 



