12H 



THE CODLING MOTH. 



< '(irpocdjisa ])(iiii(>iic/lu Ijiun. 



Four enlarged hukIcIs illustrating the life history of this insect 

 which is the cause of the "worin>^ apples/' The damage from it in 

 this country is estimated at $11,000,(>()0 annually. 



Models are exhibited of the /arva and of the (Kli/It inofh; and also 

 an enlarged section of ^ piece ofbarh^ cut so as to show a cocoon and 

 pupa of the codling moth beneath it, and an enlarged section of 

 "•wormy"'"' apple showing ^g%^ young, and mature larva and their work. 



THE MEXICAN COTTON BOLL. WEEVIL. 



Anthoiioinus gmiidiK Boh. 



Enlarged model. This insect is a native of Cuba and Mexico; 

 upwards of ten years ago the weevils crossed the Rio Grande near 

 Brownsville and have now spread over nearlv the entire cotton belt of 

 Texas. Its rapid extension, great destructiveness, and the unusual 

 difficulties in the way of its control have caused grave fears for the 

 future of the cotton industry in the United States. The Federal Gov- 

 ernment has this year appropriated $250, GOO for combating this insect. 



THE HONEY BEE. 



Ajns mellifera Linn. 

 Enlarged models, reproducing the insect in six different forms — 

 queen, male, wax-worker, worker, bee with propolis, and the liee with 

 pollen. In these arc shown the external and internal characters which 

 distinguish each type. Also a model of a com!) in the same propor- 

 tion, in which are seen the cells for honey, for pollen, and for the eggs 

 to produce queens, drones, and workers, with eggs, larva?, and pupse 

 in different stages of develo})mcnt. (After Auzoux.) 



THE EUROPEAN COCKCHAFER. 



Mdoloiitlet ndrjarh Fab. 

 Model of the perfect insect enlarged twelve times, showing the 

 muscles, nerves, trachea, and viscera, each model separable into as 

 many pieces as there are organs. More than 6(K) detailed objects are 

 shown, each indicated by a corresponding number. 



FLUTED SCALE. 



Icerija jxireJidsi Mask. 



Model in wax of a twig of orange infested with the tinted scale 

 {Iceri/a purchasi) copied directly from nature, the actual scales being 

 transferred to the model plant. Illustrates the characteristic appear- 

 ance of the infested plant. 



Model of Noninfested Orange. — The model in wax contrasts with 

 the one representing the characteristic appearance of infested plant. 



Illustrations from the pu])lications of the Division of Entomology, 

 representing the different stages of the ffuted scale and its principal 

 enemies. 



