464 JOURNAL OF ECONOMIC ENTOMOLOGY [Vol. 4 



Mentha (mint) 



Axillary or terminal bud gall, length, 4 mm Dasyneura aromalicoE Felt. 



Terminal bud gall, length, 3 mm.; on M. gentilis Cecidomyia sp. 



Loose, bud gall, length, 3 mm.; on M. jnperita Dasyneura piperiloe Felt. 



Pustulate gall in axil of leaf, diameter, 3. .5 mm.; on M. canadensis. 



Giardomyia menthae Felt. 

 Polythalamous stem gall, length, 6 to 12 mm Neolasioptera menthoe Felt. 



Mentzelia 

 Reared from flower buds Asphondylia mentzeliw Ckll. 



MiMULUS (monkey flower) 

 Stem gall undescribed Neolasioptera mimuli Felt. 



MoNARDA FiSTULosA (wild bergamot) 

 Variable stem gall, length, 10 to 22 mm Cecidomyia monardi Brodie. 



MUHLENBERGIA 



Fusiform stem enlargement Asteromyia agrostis 0. S. 



Myrica cerifa (wax myrtle) 

 Bud galls Cecidomyia myricce Beutm. 



Myrica asplenifolia (sweet fern) 

 Fleshy, vein folds, length, 2 to 4 mm Janetiella asplenifolia Felt. 



Nemopanthus (mountain holly) 

 Oval bud gall, length, 5 mm Asphondylia ilicoides Felt. 



Nyssa (black or sour gum) 



Marginal leaf fold, length, 2.5 to 3.5 mm Cecidomyia nyssoecola Beutm, 



Twig gall, length, 4 to 5 cm.; diameter, 8 mm Cecidomyia sp. 



Oecidium 



Larva; on 0. impatientis Mycodiplosis impatientis Felt. 



Larva; on O. imporlaium Mycodiplosis sp. 



Opuntia (Cactus) 



Swollen fruit Asphondylia betheli Ckll. 



Very large, swollen fruit Asphondylia arizonensis Felt. 



Gall undescribed Asphondylia opuntioe Felt. 



Decayed spots at base of spines Ilonida opuntioe Felt. 



OsTRYA (hop hornbeam) 

 Terminal folded leaves Cecidomyia sp. 



OXYBAPHUS 



Stem gall, length, 1.5 to 2 cm Lasioptera allionioe n. sp. 



Pachistima myrsonitis 

 Terminal leaves folded, dark red Cecidomyia sp. 



