INSECT ENEMIES OF WESTERN FORESTS 



87 



TIGER MOTHS 



The tiger moths (Arctiidae) are so named because of the con- 

 trasting colors shown by many. Some of the species are without 

 markings, but most of them are very beautiful. The caterpillars 

 are robust and very hairy, some of them being known as woolly 

 bears. Most members of the family are important leaf feeders. 



The silver-spotted halisidota (Halisidota argentata Pack.) (fig. 

 34) is a strikingly colored yellowish-brown moth with a wing 

 spread of 1% to 2 inches and a body covered with long yellow 





i 



Figure 34. — The silver-spotted halisidota (Halisidota argentata) : A, Full- 

 grown caterpillar; B, eggs on needles; C, adult male; D, adult female. 

 All natural size. 



