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Role Des Photorecepteurs Dans Les Reactions De Vol Du Criquet Pelerin Schistocerca Gregaria (Forsk.)

Abstract : Male Schistocerca gregaria reared in dense groups are tested on individual round-abouts moving by wing beats in separate enclosures. Locusts are tested with sequences of alternating light or darkness (natural or artificial light). Change from one sequence to another is progressive (about 3 minutes). Ocelli, contrary to eyes, do not play any part in starting or ending Schistocerca gregaria's flying activity in the situations of alternating light and darkness studied. Average flying speed depends neither on the photoreceptors concerned or on the lighting. Under certain conditions the cephalic tegument is sufficiently permeable to light to play a part in flying activity when photoreceptors are occluded. Locusts probably react differently to photoreceptor occlusion when they walk or when they fly.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01368372
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Submitted on : Monday, September 19, 2016 - 2:27:50 PM
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Raoul Michel. Role Des Photorecepteurs Dans Les Reactions De Vol Du Criquet Pelerin Schistocerca Gregaria (Forsk.). Behaviour, Brill Academic Publishers, 1973, 46 (3), pp.256-262. ⟨10.1163/156853973X00030⟩. ⟨hal-01368372⟩

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