Caste biology and behaviour of Bulbitermes sarawakensis (Isoptera, Nasutitermitinae) in Malaysia

S.T.E. Lommen, A. van Huis, A.S. Sajap

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic


Morphometrics, caste composition and behaviour were studied in Bulbitermes sarawakensis (Isoptera; Nasutitermitinae) in Malaysia. Morphometric studies displayed two larval stages, a presoldier and a soldier caste, two worker castes and different nymphal stages. Four different nymphs with long wings and two with wing pads were found. The function of the latter is not understood. Removal of parts of galleries in the field resulted in an immediate but temporary retreat of workers and the appearance of soldiers. Soldiers stayed at the broken gallery until workers had it reconstructed. Foraging activity differed per colony and over daytime. The positive exponential relation found between foraging activity and caste ratio (workers/soldiers) can be explained by a stronger increase in worker numbers than in soldier numbers.
Original languageEnglish
Title of host publicationProceedings of the Netherlands Entomological Society Meeting, 19 December 2003, Groningen 15
EditorsJ. Bruin
Publication statusPublished - 2004


  • isoptera
  • termitidae
  • nasutitermes
  • animal behaviour
  • animal ecology
  • malaysia


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