Studies on biology of American serpentine leafminer, Liriomyza Trifolii (Burgess) (Diptera : Agromyzidae) on Tomato
2002
Patnaik, N.C. | Kandasamy, M. | Parthasaradhi, P.M., Orissa University of Agriculture and Technology, Bhubaneswar (India). Department of Entomology
In tomato cut-leaves the total developmental period of Liriomyza trifolii (Burgess) from ecloseion to adult emergence varied from 12 to 19 days. The eggs measured 0.25 x 0.15 mm and were oval, translucent, laid inside the ovipositinal punctures and lasted for 2-4 days. There were three larval instars. The first, second and third instars lasted for 16, 32 and 68 h respectively. Mean larval duration was 6.05 ± 0.68 days. The prepupae measured 1.91 x 0.64 mm and lasted for few hours (1.5 to 5.0 hours). Pupae were coarctate, measured 1.43 x 0.63 mm and lasted for 5 to 8 days. The adult females and males survived for 3.65 ± 0.47 and 4.54 + 0.52 days, respectively. A gravid female laid 13 eggs during and oviposition period of four days.
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