THK SEMITROPICAI. AimV WOJiM, 



61 



By the first of Septeinbor ]Mr. Clioiiov's iiatch of sweet potatoes was 

 entirely free from this iiiseet, evidently owing- largeh' to parasites 

 and to the spraying- with arsenate of lead. 



August :')0. 1!>0T. Mr. AA'ni. Donnell. St. Augustine, Fla.. reported 

 that a cutworm, which he identified as this species, had l)een very 

 <lestructive in that region, being especially abundant on beets, and 



Fifi. 11. — Tho scmitr<>i)ical army worm ( Vroilcnia criihm'un : I.arva^ i-atinj; hark of "care- 

 less weed;" also nyiniih ol" J'lidisiis iiinciilirciilriN, predaeeous on tlie larva'. (Oi'ii-'i- 

 nal.) 



later ali'ecting cabbage, carrots (by eating the tops), and some other 

 plants, its operations being most noticeable at night. 



Mr. P2. L. AVorsham, while employed by this Pmreau. noticed this 

 species on the wi'st coast, near the Manatee Kiver, in Florida, and 

 reported it working quite extensively in that region in August. 



On Noveml)er 2:>. 11»07. an egg-mass was found on pokeweed at 

 Dade City, Fla.. and December 2 another was observed, from Avhich 

 60 — V 



