THE HESSIAN FLY. 



<WiiIoiiii/i(i iliMnirtor Say. 



(Should bo known iis Mayetiola.) 



Foi- oviionil article with bibliojiTuphy see Osboni. Bui. l»», u. s. 

 Div. Kilt., U. S. Dept. A^ric, 57 pp.. 1S!>S: :\I:nl:itt, Farmers' liul. 

 132, U. S. Dept. Agric. pp. 13-22, 1!>01. 



Exhirit: I'upuria. adult, work, tiouros. and ma]). 



THE GREATER WHEAT-STEM MAGGOT. 



Meromiiza <uitrric<ni<t F'itcli. 



For general article sec Webster, Bui 42. Div. Ent., U. S. Dept. 

 Agric, pp. 43-51, 1903. 



Exhibit: Adult, work and figure. 



THE AMERICAN FRIT-FLY. 



Oscinis soror Macci. 

 For general article see Webster, Bui. 12, Div. Ent., U. S. Dept. 

 Agric, pp. 5T-t)2, 1903. 



Exhibit: Adult, work, and figure. 



THE LESSER WHEAT-STRAW MAGGOT. 



Oftcltii)^ (■(uiiiiiKiriit Lot'w. 



For general article see Webster, Bui. 12, Div. Ent., U. S. Dept. 

 Agric, pp. 51-56, 1903. 

 Exhibit: Adult. 



CHLOROPS PROXIMA Say. 



Yov short account see Comstock, Kept. V . S. Cojuni. Agric, 1879, 

 pp. 257-25.S, isso. 

 Exhibit: Adult and work. 



INSECTS INJURIOUS TO HOPS. 



THE HOP PLANT-LOUSE. 



Phorodon hnmnH Sclir. 



(Attacks hop and plum.) 



For full life history see Riley, C'irc. 2, Div. Ent., V. S. Dept. .Vgric. 

 1891. 



P^xhibit: Adult, work, and tigurcs, with two enemies: (7u'>/.^"/>" >p. 

 and Ad'dta hipmuiatit Linn. 



THE COMMA BUTTERFLY. 



J'oli/ijDtiin nniDii'i Hair. 



(Formerly Grajifa.) 



For general account see Howard, Bui. 7, n. s., Div. Ent., U. S. 

 Dept. Agric, pp. 50-51, 18!»7. 

 Exhibit: Larva and adult. 



25528— No. 47—04 5 



