Illustrations 



XV 



Fig. 30. — Stegomyia calopus larva . 



Fig. 31. — Labial plate of Stegomyia calopus 



larva 

 Fig. 32. — Ochlerotatus sollicitans larva 

 Fig. 33 .—Ochlerotatus sylvestris larva 

 Fig. 34. — Culex pipiens larva 

 Fig. 35. — Psorophora howardii larva 

 Fig. 36. — J anthinosoma posticata larva 

 Fig. 37. — Ochlerotatus dupreei larva 

 Fig. 38. — Pneumaculex signifer larva 

 Fig. 39. — Grabhamia discolor larva 

 Fig. 40. — Larval tuft characters 

 Fig. 41. — Culiseta consobrinus larva 

 Fig. 42. — Melanoconion atratus larva 

 Fig. 43. — Culex restuans larva 

 Fig. 44. — Culex salinarius larva 

 Fig. 45. — Ochlerotatus bimaculatus larva 

 Fig. 46. — Ochlerotatus serratus larva 

 Fig. 47. — Grabhamia jamaicensis larva 

 Fig. 48. — Aedes fuscus larva . 

 Fig. 49. — Ochlerotatus triseriatus larva 

 Fig. 50. — J anthinosoma varipes larva 

 Fig. 5 1 . — Ochlerotatus tazniorhynchus larva 

 Fig. 52. — Ochlerotatus infirmatus larva 

 Fig. 53. — Ochlerotatus impiger larva 

 Fig. 54. — Diagram of pupa 



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239 

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2 43 

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