INJURIOUS INSECTS 



regarded as the most injurious of the seven. Notwith- 

 standing this, in their perfect state, they are among the 

 most beautiful creatures in the insect world. The Order 

 is divided into Butterflies and Moths. The former are 

 day-fliers, and their feelers or antennce are thickened at 

 the end, and terminate in a kind of knob. The moths 

 have their feelers pointed at the tip, and sometimes with 

 small side-branches. They mostly fly at night, but a 

 subdivision of them fly at twilight. 



ORDER IV. HEMIPTERA. THE TRUE BUGS. 



This Order, (the name of which means " half-winged," 

 a portion of the front wings being thick and leathery), 

 includes some very injurious 

 insects as the Chinch-bug, 

 Squash-bug, Plant-lice, and 

 the disgusting Bed-bug, while 

 some are carnivorous. The 



Fig. 7. WHEEirBUG (Reduvius). Fig. 8. HESSIAN ms?. 



larvae have much the appearance of the perfect insect, 

 simply differing from them in the lack of wings. The 

 Reduvius, or Wheel-bug, fig. 7, is an example of the car- 

 nivorous and useful insects of this Order. The character 

 of the larvae is seen in the engraving of the Chinch-bug. 



ORDER V. DIPTER A. Two- WINGED INSECTS. 



This is the only Order of insects that have but two 

 wings (a fact expressed in the name). It comprises a 



