5° 



NEW YORK STATE MUSEUM 



Pigeon Tremex. The larva of another insect known as the pigeon 

 Tremex, Tremex cohtmba Linn., or horn tail, runs large burrows through 

 the wood of elms and other trees, specially those which have been weak- 

 ened by the attack of some other insect. Its various stages are repre- 



Fig. 7 Leopard moth : a, l>, dorsal and lateral aspects of caterpillar ; c, male and female 

 moths; e, burrow of caterpillar (after Pike). 



sented in figure 6. The female is a magnificent brown insect with 

 yellowish markings and is occasionally found attached to a tree by its 

 inserted ovipositor. 



Leopard moth. In the vicinity of New York city there is another 

 borer very injurious to elms and maples. It is the caterpillar of the 

 leopard moth, Zeiezera pyrina Fabr., a species which has recently made 

 its way to our shores and is proving a serious pest. This insect and its 

 work may be recognized by the accompanying illustration, the moth 

 being white marked with black. 



