XIV 



LIST OF ILLUSTRATIONS 



FIGURE PAGE 



32. Proboscis marks of M. domestica ...... 11 



33. Proboscis marks of Muscid fly 78 



34. M. domestica regurgitating food ....... 80 



35. Faecal and vomit spots of M. domestica 81 



36. M. domeiitica, mass of eggs 100 



37. -Kggs of M. domestica . . . . . . . ■ .101 



38. Egg before emergence of larva 101 



39. Newly-hatched larva of M. domestica 102 



40. J/, domestica., full-grown larva 104 



41. Puparium after emergence of larva ...... 104 



42. Nymph of M. domestica removed from puparium . . .106 



43. Head of nymph 106 



44. Anterior end of mature larva of M. domestica, lateral aspect . 117 



45. Ventral aspect of pseudo-cephalon of mature larva . . . 117 



46. Section of surface of oral lobe of larva . . . . .118 



47. Section of lobes of anterior spiracular process . . . . 118 



48. M. domestica., muscles of right side of larva . . to face 120 



49. ]\Iuscles of cephalo-pharyngeal sclerites of larva 



50. Oblique section through pharyngeal mass of larva 



51. Oblique section tlirough pharyngeal mass of larva 



52. M. domestica, ner\'ous system of larva 



53. Ganglionic complex of larva .... 



54. Visceral nervous system of larva 



55. M. domestica, alimentary system of larva . 



56. Cephalo-pharyngeal skeleton of full-grown larva 



57. Cephalo-pharyngeal skeleton of first larval instar 



58. Longitudinal section of proventricuhis of larva. 



59. M. domestica, tracheal system of left side of larva 



60. Posterior end of second stage larva of M. domestica 



61. Posterior end (jf full-grown larva of M. domestica . 



62. Posterior spiracle of full-grown larva of M. domestica 



63. M. domestica, horizontal section of "heart" of larva 

 64 Imaginal discs of posterior thoracic region of larva 



65. Longitudinal section through cephalic discs of larva 



66. Transverse section anterior to ganglion of larva 



67. Transverse section of ventriculus of mature larva 



68. Transverse section of salivary gland of mature larva 



69. Chernes nodos'ns Schr. 



70. M. domestica infested with Tromhidium mites . 



71. F. canicidaris infested with Gamasid mites 



72. M. domestica killed by Empusa miiscae 



73. Section of abdomen of M. domestica tilled with Empusa 



74. Emfusa spores devoured by flies .... 



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