Insects Injurious to the Fruit of the Apple 



1907 



whole upper surface of the body is thinly covered with conspicuous 



white, flattened, scalelike hairs. The 



adult of the false redbug (Fig. 109) is 



of aknost the same size as the preceding, 



but the color is generally a lighter red, 



and there are no white hairs on the upper 



surface of the body. 



Life history.— The life histories of these 

 two redbugs are similar. The insects 

 spend the winter in the egg stage. The 

 eggs are dull whitish, sharply curved, 

 and slightly compressed. These are in- 

 serted by the females, during late June 

 or early July, their full length into the 

 bark of the smaller branches, preferably 

 of the previous season's growth. As far 

 as is known, the eggs of the redbug are 



Fig. 109. — Adidt false apple redbug, 

 enlarged 



Fieri 10.— Section of twig showing egg 

 of false apple redbug 



placed in a sHt in the bark at the 

 base of the fruit spurs and around 

 the buds, while those of the false 

 redbug are usually inserted in the 

 lenticels of the smooth two-year-old 

 wood (Fig. no). The eggs of the 

 redbug hatch after the fruit buds 

 burst, and hatching is about over by 

 the time the blossoms open. Those 

 of the false redbug hatch about a 

 week later, or while the trees are in 

 blossom. 



The young nymphs of the two 

 species are very similar in appearance. 

 Those of the false redbug (Fig. in) 

 may be distinguished by their brighter 

 red color, the absence of darker mark- 

 ings on the thorax, and by the body's 

 being covered with fine short black 

 hairs. This species retains its bright 

 color until full-grown, but the redbug 

 (Fig. 112) becomes nearly black on 

 the thorax after the third molt. 



The redbugs pass through five 

 immature, or nymphal, stages, the 



wing pads becoming more apparent each time the skin is shed until 



