author(s)
Tandel Roma, Patel Snehal, Surela VA, Saxena SP and Pandya HV

abstract
The biology of citrus psyllid, Diaphorina citri Kuwayama was conducted at laboratory condition, Department of Entomology, ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari during 2017-18. Study revealed that the total developmental period of male and female was 38.27+2.19 and 43.87+2.97 days, respectively. Eggs laid singly or in clusters or in groups on leaf folds, petioles, young leaves or tender shoots, measured 0.25 ± 0.01 mm in length and 0.09 ± 0.01 mm in width. The egg period was 3.64 ± 0.70 days. The nymph passed through five distinct instars. The total nymphal period was 13.80 ± 1.08 days. Adults were small, brownish coloured sap-sucking insects. Pre-oviposition, oviposition and post-oviposition periods were 2.93± 0.59, 20.8 ± 5.03 and 3.47 ± 0.99 days, respectively. The fecundity was 561.44 ± 34.91 eggs. Longevity of male and female was 22.27 ± 2.19 and 28.13 ± 2.77 days, respectively.