3 2 



ENTOMOLOGY 



larger and closer together (holoptic) than those of the female (dichoptic). 

 This difference is attributed to the fact that the male is more active 



FIG. 41. Ocelli and compound eyes of the honey bee, Apis mellifera. A, queen; B, 



drone. After CHESHIRE. 



D 



B 



C 



FIG. 42. Various forms of antennae. A, filiform, Euschistus; B, setaceous, Plathemis; 

 C, moniliform, Catogenus; D, geniculate, Bombus; f, flagellum; p, pedicel; s, scape; E, irreg- 

 ular, Phormia; a, arista; F, setaceous, Galerita; G, clavate, Anosia; H, pectinate, male 

 Ptilodactyla; 7, lamellate, Lachnosterna; J, capitate, Megalodacne; K, irregular, Dineutus. 



than the female, especially in the matter of seeking out the opposite sex. 



