172 Maine Agricultural Experiment Station. 1918. 



Family Onagraceae, evening primrose family: fireweed, Epilobium 

 angustifolium L. ; Marsh fireweed, Epilobium palustre L. ; evening prim- 

 rose, Oenothera biennis L. 



Family Cornaceae, dogwood family: red osier dogwood, Cornus 

 slolonifera Michx. ; panicled dogwood, Cornus paniculata L'Her. ; 

 bunchberry, Cornus canadensis L. 



Family Ericaceae, heath family: sheep laurel, Kalmia angustifolia 

 L. ; low blueberry, Vaccinium pennsylvanicum Lam. ; velvet-leaf blueberry, 

 Vaccinium canadcnse Kalm. 



Family Oleaceae, olive family: lilac, Syringa vulgaris L. 



Family Solanaceae, nightshade family: tomato, Lycopersicon esculen- 

 ium L. 



Family Compositae, composite family: Joe Pye weed, Eupatorium 

 purpureum L. ; goldenrod, Solidago canadensis L. 



Food plants of the adult dogzvood flea-beetle. 



(i) Eaten readily. 



Alder, red osier dogwood, panicled dogwood, bunchberry. 



(ii) Refused. 



Corn, cultivated willow, heart-leaved willow, petiolate wil- 

 low, beaked willow,, aspen poplar, balsam poplar, cottonwood, sweet fern,! 

 hazel, gray birch, red oak, red elm, white elm, syringa, smooth gooseberry, 

 European gooseberry, red currant, cultivated spiraea, apple mountain ash,} 

 shad bush, wild strawberry, cultivated strawberry, wild rose, cultivated! 

 rose, Japanese rose, choke cherry, red cherry, wild plum, cultivated plum, 

 bean, sugar maple, woodbine, basswood, fireweed, marsh fireweed, evening 

 primrose, sheep laurel, low blueberry, velvet-leaf blueberry, lilac, tomato, 

 Joe Pye weed. 



Food plants of the larva of the dogzvood flea-beetle. 



(i) Eaten readily. 



Red osier dogwood, panicled dogwood, bunchberry. 

 (ii) Eaten indifferently. 



Alder, Japanese rose, (but not the other roses!), evening prim- 

 rose, fireweed, marsh fireweed, bean. 

 (iii) Refused. 



Corn, cultivated willow, heart-leaved willow, petiolate willow, 

 beaked willow, aspen poplar, balsam poplar, cottonwood, hazel. 

 bircb, red oak, red elm, white elm, syringa, European goose- 

 berry, red currant, cultivated spiraea, apple, mountain ash, shad 

 bush, wild strawberry, cultivated strawberry, wild rose, culti- 

 vated rose, choke cherry, red cherry, wild plum, cultivated plum, 

 sugar maple, woodbine, basswood, sheep laurel, low blueberry, 

 velvet-leaf blueberry, lilac, tomato, Joe Pye weed. 



