June, I9i6.] WeiSS : InSECT FaUNA OF GREENHOUSES. 147 



Diacrisia virginica Fab. 



Larvse occasionally found during fall in greenhouses feeding on 

 various plants. 



Isia isabella S. & A. 



Larvre found under same conditions as above two species. 



Family NOCTUIDJE. 

 Peridroma margaritosa Haw. 



Larva is known as the variegated cut worm. Attacks carnation 

 buds, sweet peas, chrysanthemum, smilax and other plants. Occurs 

 outside on various plants and is one of the injurious cut-worms. 



Callopistria floridensis Guen. 



Larva is known as the '' Florida fern caterpillar." Feeds on 

 various ferns under glass. Quite a serious pest. ' 



Family PYRALIDiE. 

 Hymenia perspectalis Hubn. 



Larva known as the Alternanthera worm. Feeds on alternanthera 

 varieties. Probably occurs outside. 



Phlyctaenia ferrugalis Hubn. 



The common greenhouse leaf-tier. Larva injures chrysanthe- 

 mum, ageratum, geranium, carnation, violet, rose and others. Com- 

 mon out of doors. 



Nymphula obliteralis Wlk. 



In greenhouses, larva living in case on leaf of water lily and other 

 aquatic plants. 



Family TORTRICIDiE. 

 Archips rosaceana Harr. 



The rose leaf roller. Larva feeds on flower buds of rose, also 

 on carnations. Common on orchard trees and small fruits outside. 



Family YPONOMEUTID^. 

 Plutella maculipennis Curt. 



The diamond back moth. Larva feeds on sweet alyssum and 

 garden stocks. Common outside on cabbage, etc. 



Family TINEIDJE. 

 Gracilaria zachrysa Meyrick. 



Larvae feed on azalea leaves. Introduced from Europe. Up to 

 present has not been found on hardy azaleas. 



