92 



a new ta,sie on the part of tlie insect wMcli niaynltiniatelv lead to con- 

 siderable damage to tlie important timothv crop. 



A. late letter from Prof. P. E. TTliler informs me tliat the species was 

 first bronglit to Ms notice about twenty years ago. from Canada. Since 

 tlien.he states, it has spread to Baltimore, where it is occasionally very 

 ntimerons. locally, along the edges of fields of wheat, oats and timothy. 

 in Jime. 



Mr. Smith, stated that he had fonnd the species in yew Jersey, at an 

 elevation of only 15 to 20 feet above tide water. 



Mr. Osborn said the species occurred in Iowa, luit had not been ob- 

 served on Timotliy. 



Mr. TTebster said tliat Leptojyferna dololrata Linn, had developed in 

 the grass and clover fields, in Ohio, in immense numbers the x)resent 

 year. While many farmers were, for a time, considerably worried over 

 their appearance, no damage liad been reported. 



The next x:)aper was read by the Secretary. 



PQOD-PLANTS OF SOME N. A. MEMBRACID^. 



Bv F. W. GODIX&. Hufland, I1J. 



Snbfaniily Ceutrotinae. 



Insects. Food-plants. 



CentrodontTLS atlas Godg Leaves and rrrigs of Larra mexkana. 



Microcentms cary^ Fitcli Hickory, TValuiiT. 



Subfamily Damince. 



Stictopelta marmorata Godg Mesqnite (Prosopis juliflora). 



Subfamily Smiliinae. 



Cjeresa diceras Say Low Ijushes. tall herbage, grass. 



Ceresa bubalus Fabr Apple. Potato. Tomato. Pear. Peaclu Plnm. 



Grape. Apncot, A lmond, Willow. Locust. 



Japan Lily. Grass. 



Ceresa brcTlcomis Fb Hickory. 



Stietocepbala Intea TTalk "Wbeat . 



Stictocepbala inermis Fabr Plum. Oats. Oak. Alfalfa, grass, weeds. 



Acutalis ealva Say Eiipaiorium maculaium, Honey Locust. 



Acutalis dorsalis Fb Grape. 



Entilia siuuala Fabr .Potato, Eagweed (Ambrosia), woods. 



Publilia modestii Ubier Glycyrrhiza Jepidota. Mesquite (P.julillora). 



Publilia bicincttiTa Godg Ira xanihiifoUa, GlycyrrMza lepidota. 



Publilia eoncava Say Canada Thistle, grass, ^rreeds. 



Smilia canielus Fabr Black and Eed Oak. ^veeds along shore of 



Lake ^Micbigan. 



Cyrtosia fenestrata Fb Oak. 



Cyrtosia pallidifrontis Emmons Oak. 



Cyrtosia vau Say TValnut. Hickory. Oak. 



Atynina inomata Say Cbestnut. Linden, Oak, Hickory. 



Arrmua T±ridis Emmons Oats. 



