JOURNAL OF KCONOMIf F.NT()M» lUiGY 



Plate 13 



The Suear-Beet Web Worm. Loxostege siicdcalis L.: a and b, larvae of 

 the first generation; c and rf, larvae of the second generation; f. male 

 moth; f. female moth; g. cocoon with the adhenng soil; /i. cocoon 

 without the soil. (From "Uber die im Jahre 1901 beobachteten Krank- 

 heiten der Zackerriibe.'j 



