Swarming Behaviour and Alate Sex-Ratio of Heterotermes indicola (Wasmann) (Isoptera: Rhinotermitidae)
Ayesha Aihetasham, Muhammad Saeed Akhtar
Abstract
Ayesha Aihetasham, Muhammad Saeed Akhtar
Abstract
s.Swarming behaviour of Heterotermes indicola (Wasmann) was observed during the swarming season of 2003 and 2004 in the Punjab University, New Campus, Lahore, Pakistan. Swarming took place on 15 out of 92 nights for which observations were made. Swarming started after 3 rainfall of the season, which created suitable combination of relative humidity and temperature required for swarming. Peak emergence of alates was observed after heavy rainfall (16mm) of short duration at 25.7°C to 36°C with 100% humidity. Frequency of swarming was maximum between 8:00 to 8:30 P.M. Overall sex ratio of H. indicola indicates that males dominate over females 5:1 (Male: Female).
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s.Swarming behaviour of Heterotermes indicola (Wasmann) was observed during the swarming season of 2003 and 2004 in the Punjab University, New Campus, Lahore, Pakistan. Swarming took place on 15 out of 92 nights for which observations were made. Swarming started after 3 rainfall of the season, which created suitable combination of relative humidity and temperature required for swarming. Peak emergence of alates was observed after heavy rainfall (16mm) of short duration at 25.7°C to 36°C with 100% humidity. Frequency of swarming was maximum between 8:00 to 8:30 P.M. Overall sex ratio of H. indicola indicates that males dominate over females 5:1 (Male: Female).
Key concepts: Swarming (honey bee), Alate, Rhinotermitidae, Biology, Zoology, Ecology, Botany, Aphididae