title: Age-grading of Culex pipiens fatigans Wiedemann from different climatic zones in Ceylon.
mesh_terms: D000367:Age Factors; D000818:Animals; D002980:Climate; D003465:Culex / Q000254:growth & development*; D005260:Female; D006813:Humidity; D007303:Insect Vectors; D008136:Longevity; D010053:Ovary / Q000033:anatomy & histology; D012621:Seasons; D013188:Sri Lanka; D014887:Weather