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  1. Insect Hormones: The Control of Moulting (1991 Video)

    Producer
    Andrew Crilly
    Subject
    Biology
    Distribution
    Off-air recording licence Sale, Videocassette. Standard formats. col. 24 min., 1998 sale: £145.00 (+VAT +p&p)

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  2. Comparative Study of Antennal Communications in the Domestic Bee and Social Wasps (1975 Film)

    Subject
    Biology
    Distribution
    Film (16mm)

    Shows how tactile signals govern the begging for, or the refusal of regurgitated food among workers in a bee or wasp society. The ritual acts of begging or refusal are progressively established after...

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  3. Assault on the Sepik (1974 Video)

    Subject
    Biology
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 19 min.

    All species of pine trees are susceptible to attack by the wood wasp, ‘Sirex noctillio’. When Sirex was first discovered on the Australian mainland in 1961, the softwood plantations of Southern Australia...

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  4. Alder Woodwasp and Its Insect Enemies, The (1960 Film)

    Director
    E R Skinner; G H Thompson
    Subject
    Biology
    Distribution
    Film (16mm)

    The inter-relationships between the alder wood-wasp and four hymenopterous parasites are shown in detail. Two of the methods of parasitism were new to science when the film was made.

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