| Pachliopta aristolochiae adaeus (Rothschild) is a kind of pest of medicinal plant Aristolochiae tagala, but also used as an ornamental resource butterfly. In this paper, the ecological and biological and control of P. aristolochiae adaeus had been studied through field observations and laboratory rearing. Meanwhile, the control effects of 4 common pesticides against the larva of P. aristolochiae adaeus were evaluated. The results are as follows:1. P. aristolochiae adaeus had 2 generations in Ya'an, Sichuan Province, overwintered as pupa on the branches of A. tagala and in the hidden place nearby. The adults began to emergence in mid-May next year. The 1st generation of larvae appeared in early June, and the peak period was from late June to early July. The 1st generation of adults would emergence with peak period in early August. The 2nd generation of eggs could be seen in late July, and the 2nd generation of pupae began to appear in late August, and reached to the peak period in early October. P. aristolochiae adaeus overwintered as Pupa from November.2. The peak emergence of the adults occurred at 7:00-9:00, and almost in the morning. The adults started flying after emergence. The adults mated on the day of their emergences. The mating of the adults occurred mainly in the period of 13:00-16:00, lasted for 1-2.5 hours. Female adults preferred to lay their eggs on the back of the host's young leaves, the eggs were laid singularly. The spawning periods were usually 5-7 days, every female spawned 100 eggs. larva had five instars. The 1st and 2nd instars larvae liked to feed on young leaves of A. tagala, after the 3rd instars larvae, they began to feed on young and old leaves of A. tagala, the 5th instars larvae feed on leaves and stems. Larva had the habit of feeding on their own sloughs and killing each other.3. The average total feeding amount (dry weight) of larva was 1292.3 mg during its development period. The 1st,2nd and 3rd instars larvae accounted for 5.23% of the average total feeding amount, while the 4th and 5th instars larvae accounted for 17.66% and 77.11%, respectively. The trend of the larva feeding rate was as same as feeding amount. Before the 3rd instars, body weight increased slowly, from the 4th instars, they increased rapidly to the maximum of 1534.0 mg on the 4th day of 5th instars larva, and then declined. Body weight of the 5th instars larva increased by about 335 times compared with the 1st instars larva.4. Temperature influenced the growth and survival rate of P. aristolochiae adaeus. The egg, larva and pupa could develop normally at 19-31℃. The development period of egg, larva and pupa were 4.98-9.06,2.35-10.91 and 11.80-22.93 days, respectively. The development threshold temperature of egg, larva and pupa were estimated as (5.6±1.9), (11.6±2.0) and (6.3±2.7)℃, respectively. The effective accumulative temperature of egg, larva and pupa were (117.7±16.8), (293.2±62.7) and (270.9±38.6) DD, respectively. Larva had the highest survival rate at 22-25℃, while the egg and pupa at 25-28℃.5. Development eggs of P. aristolochiae adieus were refrigerated at 5-8℃. At the same development period, the hatching rate was lower in more development periods while eggs were refrigerated longer. The different development eggs had different hatching rates after refrigerating. Eggs developed for 1 day,2 days and 3 days, then refrigerated for 10 days, the hatching rates were significant different. Development pupae were also tolerant of low temperatures. Pupa developed for 1 day, then refrigerated for 3 days, had an emergence rate of 75%, and 4 days refrigerated for 35 days had an emergence rate that only 8.33%. At the same development stage, the pupae's emergence rate decreased with the prolonging of cold storage times. Warming overwintering pupa advanced eclosion by about 2/3 of the time.6. The efficacy of 4 insecticides against P. aristolochiae adieus larva were evaluated in field. After 1 day, the control efficacy of Cypermethrin 5% EC was better than others. After 3 days, the control efficacy of Cypermethrin 5% EC was up to 91.95%, and the Phoxim 40% EC was 81.06%, they were significant different with Abamectin 2% EC and Bt WP. After 7 days, Cypermethrin 5% EC and Phoxim 40% EC had an ideal control efficacy, were 95.21% and 93.86%, respectively. After 10 days, the control efficacy of Cypermethrin 5% EC, Phoxim 40% EC and Bt WP reached to satisfactory control efficacy, were 99.28%,98.35%, and 87.79%, respectively.
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