44 LEPIDOPTERA. 



with a series of greenish yellow angular bands on the 

 side. The stories of the poisonous qualities of these 

 larvae are without foundation. The pupa is two and 

 one fourth inches in length, with a large free tongue- 

 ' case. (2,320; 3, I., 95 ; 4, IX., 211). 



Remedy. — Hand picking.* 



The Southern Tobacco-worm is Macrosila {Sphinx) 

 Carolina Linn. This insect closely resembles AT. 

 quinqite-maculata both in appearance and habits, and 

 is often confounded with that insect. 



The clear-winged Sphinges, Scsia. — Note form and 

 habits o^ Scsia Thyshe Fab., and compare with the fol- 

 lowing family. 



/Et;ERlAD/li {Clear-zvinged moths). 



The Clear-winged moth are remarkable for their re- 

 semblance to bees and wasps, a resemblance due to 

 their clear wings and gay colors. They " are readily 

 recognized by their small size, narrow wings, thick- 

 ened antennae, and by the tufts at the end of the body, 

 which they can spread out fan-like. They fly very 

 swiftly in the hottest sunshine. The larva; are borers, 

 living mostly in the hollowed stems of plants. They 

 are whitish, cylindrical, with sparse, short, inconspicu- 



' The following is from Prof. Riley's Fifth Report : " Mr. E. M. White of West Fork, 

 Reynolds county, sends me the following account of his method of counterworking the 

 Tobacco or Potato worms. * In every tenth hill on the out-side of my field, I sow the 

 seed of Jamestown Weed, Datura stranwtiijt7tt, instead of setting tobacco plants. As 

 the Daturas grow up, I pull out all but two to each hill, and when these are in bloom, I 

 go around every evening, and, after destroying all but two flowers, pour into these a few 

 drops of common fly poison, mixed with sweetened water and whisky, [the fly stone of 

 druggists is intended, it being an ore containing cobalt and arsenic], '1 he moths sip the 

 poison, and die from it, and 1 find them scattered over the farm for a space of several 

 htindred yards.' 



Mr. White's testimony corroborates that of many others who have killed these large 

 Sphinx moths in the sj 



