Effects of host plants on the development and host preference of Liriomyza sativae, L. trifolii, and l. bryoniae (Diptera: Agromyzidae)

The immature developmental period and adult emergence rate of Liriomyza sativae, L. trifolii, and L. bryoniae on 16 plant species were examined. Kidney bean (developmental period: 16.5 d), eggplant (16.4 d), and garland chrysanthemum (16.9 d) were more suitable for L. sativae than other plants; kidney bean (16.5 d), soybean (16.4 d), tomato (16.7 d), eggplant (16.2 d), mizuna (16.2 d), mibuna (17.0 d), okra (17.4 d), and garland chrysanthemum (16.3 d) were more suitable for L. trifolii than other plants; soybean (19.0 d), pumpkin (19.3 d), tomato (19.2 d), eggplant (18.3 d), komatsuna (18.9 d), mizuna (18.3 d), mibuna (19.1 d), okra (18.4 d), garland chrysanthemum (18.9 d), and welsh onion (18.0 d) were more suitable for L. bryoniae than other plants. The adult emergence rates on okra and garland chrysanthemum for L. sativae, that on komatsuna and melon for L. trifolii, and that on welsh onion and komatsuna for L. bryoniae were high. In the choice oviposition experiments with kidney bean, cucumber, eggplants, and komatsuna, L. sativae preferably oviposited into the kidney bean, and there was no host oviposited prominently by the L. trifolii or L. bryoniae females. In the choice oviposition experiments with kidney bean, cucumber and tomato, there was no significant difference in the number of eggs laid by each Liriomyza species among the three hosts.