LEPIDOPTEEA. 



43 



The Lepidoptera are usually divided into two great groups, 

 Lepidoptera Heterocera and Lepidoptera Bhopalocera. 



The Heterocera or Moths have the hind wing united to the front 



Fig. 43. 



Head of a Sphinx moth showing the parts of the month and prohoscis. 

 a, Eye ; b, lahial palpus ; c, maxillee ; d, maxillary palpus on base of maxilla. 



wing by a "frenum" (fig. 44). They have very various antennas, 

 either long, slender and tapering to a point, often fringed and 

 frequently comb-like. Comparatively few have them thickened 

 towards the tip. 



