42 



For full life history and general account see Quaintance, Farmers' 

 Bui. 191, U. 8. Dept! Agric, 1901. 



Exhibit: Larva, pupa, adult, work in cotton bolls, -and illustrations 

 of different stages, and work on various plants. Parasite exhibited: 

 Archytas piliventris ; adult, pupa, and figure. Enemies exhibited: 

 Calosoma lugiibre, C. Sayi, C. scrutator Fab. , Polistes annularis, and 

 P. rubiginosus Lep. 



MEXICAN COTTON BOLL WEEVIL. 



Anthonomus grandis Boh. 



(Breeds in and destroys bolls.) 



For full life history and general account see Hunter and Hinds, 

 Bui. 15, Div. Ent., U. S. Dept. Agric, 1901; also Hunter, Farmers' 

 Bui. 189, 1901. 



Exhibit: Life history (larva?, pupa?, adults, injured cotton bolls, 

 with stages present in bolls, and uninjured bolls); illustrations and 

 map showing distribution in United States. 



THE COTTON WORM. 



Alabama argillacea Htibn. 

 (Formerly called Aletia xylina. Larva? feed on the leaves.) 

 For life history and general account see Howard, The Cotton Plant, 

 Bull. 33, Office Expt. Stations, U. S. Dept. Agric, pp. 320-328, 1896. 

 Exhibit: Larva, pupa, cocoon, adult, and figure. 



RED BUG; COTTON-STAINER. 



Dysdercus suturellus H.-Schf. 

 (Punctures boll and seeds, aborting them and staining fibers an indeli- 

 ble red or yellow color.) 



Exhibit: Nymph, adult, work, and figure. 



GLASSY-WINGED SHARPSHOOTER. 



Homalodisca coagidata Say. 

 (Punctures stalk, leaves, and flowers; oviposits in forms and squares; 

 veiy abundant. 



Exhibit: Nymph, adult, and figure. 



COTTON APHIS. 



Aphis gossypii Glover. 



(Punctures leaves and young bolls; late in season causes falling of 

 young bolls.) 



See Chittenden, Bull. 13, Div. Ent., U. S. Dept. Agric, pp. 58-61, 

 1903. 



Exhibit: Adult, work, and figure. 



LEAF-CUTTING ANT. 



Attafervens Say. 

 (Cleans up plants, cotton worms, and pupae.) 

 Exhibit: Adult. 





