Dennett's argument quotes an account of Sphex behavior from Dean Wooldridge's Machinery of the Brain (1963).
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The navigation abilities and other behavior of Sphex were studied by the ethologist Niko Tinbergen, as explained and demonstrated by Richard Dawkins in the 1991 Royal Institution Christmas Lectures, Growing Up in the Universe.
wasp | Wasp | WASP | Westland Wasp | Wasp (comics) | The Wasp Factory | The Digger's Club | Rave Digger | WASP (AM) | The Night Digger | Sand wasp | Pratt & Whitney R-4360 Wasp Major | Pratt & Whitney R-2800 Double Wasp | Pollinating fig wasp (''Ceratosolen'' sp.) collected on ''Ficus septica | Poirot's Early Cases#Wasp's Nest | Median wasp | Fig wasp | European paper wasp (''Polistes dominula | Edward J. Wasp | Chalcid wasp | ABC Wasp |