CATALOGUE OF INSECTS. 415 



PRODENIA Gn. 



P. commelina S. & A. Throughout the State, VIII to X, the rarest of the 

 species: the larva of this and the other species of the genus feed on 

 grasses. 



P. ornithogalli Gn. = lineatella Harv. Throughout the State, VIII-X, 

 common. 



P. eudiopta Gn. = flavimedia Harv. As before. 



TRIGONOPHORA Hbn. 



T. periculosa Gn. Chester (Dkn), Hopatcong (Pm) ; the variety v-brun- 

 neum Grt., occurs with the type. 



ETJPLEXIA Steph. 



E. lucipara Linn. Throughout the State, June to September : larva on birch, 

 Viburnum et als. 



BROTOLOMIA Led. 

 B. iris Gn. Hopatcong (Pm), Jersey City (Sb), Newark, VI (Bwl). 



NEPHELODES Gn. 



N. minians Gn. Throughout the State in September, often on Solidago : the 

 larva is sometimes locally injurious as a cut-worm on corn and other 

 grasses. The variety violans Gn., is locally more common than the type 

 form. 



TRICHOLITA Grt. 

 T. signata Wlk. = semiaperta Morr. Andover, VIII (Kr), Newark (Ang). 



HELOTROPHA Led. 



H. reniforrnis Grt. Throughout the State, VI-IX, often common ; the 

 variety aira Grt., being really the most usual form. 



HYDRCECIA Gn. 



H. u-album Gn. = purpuripennis Grt. Occurs rarely ; but may be found 

 throughout the State. 



H. velata Wlk. = sera Grt. and Rob. Common everywhere, VI-VIII. 



H. atlantica Sm.=nictitans % Auct. Occurs throughout the State from VII 

 -VIII. The larva bores in the stems of grasses. 



H. immanis Gn. Local in the northern districts, the larva feeding in the 

 crown roots of hops. Dates of flight are in August and September. 



H. inqusesita G. and R. Hopatcong (Pm), and the species is probably 

 general in distribution though not common. It flies in August and 

 September. 



