Possible storage of Coccinella undecimpunctata (Col., Coccinellidae) underlow temperature and its effect on some biological characteristics

Developmental stages of Coccinella undecimpunctata L. were stored at 6.0 de grees C for various storage periods in a refrigerator. Egg hatching was 65. 0% after 7 days of storage. However, no egg hatching were observed after 15 , 30, 45 and 60 days of storage. The survival of the third and fourth insta r larvae was higher than the first and second instar. The survival of larva e declined sharply after 15 days. No larvae survived after 30 or 60 days of storage. Emergence percentage of adults from stored pupae varied from 85.0 to 25.0% after storage for 7 up to 30 days. The survival percentage of adu lts differed and appeared to depend on prior feeding before storage. From t he present results, it appears that the adult stage may be better able to s urvive extended periods of storage than the other developmental stages. In addition, it was found that prior feeding of adult stage affected the longe vity, fecundity and consumption rate.