Ballooning activity of Chilo partellus larvae in relation to size of mother, egg batches, eggs and larvae and age of mother
1989
Berger, Amelie
The ballooning behaviour of first instar larvae of Chilo partellus (Swinhoe) (Lepidoptera:Pyralidae) was studied using a wind tunnel. About 55% of the newly hatched larvae left the young maize plants on silk threads within two hours after their release. No significant correlations were found between spinning-off activity and mother weight, egg weight and number of eggs per batch. Ballooning and non-ballooning larvae were of the same size. Time of oviposition did not influence the ballooning behaviour. There was significant variation in spinning-off activity between offspring from different individual females, however, which suggests that maternal factors other than those measured play an important role in larval dispersal.
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